| 单词 | plutonium |
| 例句 | Bush and Conant both advised Compton that in pressing ahead on plutonium, he was making a long-shot bet, for no plutonium separation process had even been demonstrated in the lab. Big Science 2015-07-07T00:00:00Z From left: J. Robert Oppenheimer, newly appointed to head the Manhattan Project’s bomb design lab at Los Alamos; future Nobelist Glenn Seaborg, developing plutonium for the bomb program; and Lawrence inspect the machine’s control console. Big Science 2015-07-07T00:00:00Z If tritium was the sought-after product, for example, you used lithium-6; if it was plutonium, the raw material would be uranium—namely, that waste U-238. Big Science 2015-07-07T00:00:00Z Its chain-reacting pile went live at the beginning of November and within six weeks was producing plutonium by the milligram, and soon by the gram. Big Science 2015-07-07T00:00:00Z While the refinement and construction of the uranium plants were taking place, Glenn Seaborg ran his own race to perfect a plutonium extraction process. Big Science 2015-07-07T00:00:00Z On June 1, six months after Fermi’s achievement, Seaborg met with executives of DuPont, which had been cajoled by Groves into contracting to build a pilot plutonium separation plant at Oak Ridge. Big Science 2015-07-07T00:00:00Z Ulam ran into the hall and was told that Oppenheimer was holding the first samples of plutonium to arrive at Los Alamos. Bomb 2012-01-01T00:00:00Z The scientists were forbidden to ever refer to uranium or plutonium by name. Big Science 2015-07-07T00:00:00Z Sitting in his car, he quickly finished the paper, which included vital details on plutonium bomb design, as well as a technical description of the uranium bomb used at Hiroshima. Bomb 2012-01-01T00:00:00Z All his work since then had culminated in a factory that could irradiate two hundred tons of uranium at a time to produce a half pound of plutonium every two hundred days. Big Science 2015-07-07T00:00:00Z Whether the plutonium bomb worked or not, the plan was to have one uranium bomb assembled and ready for use by early August. Bomb 2012-01-01T00:00:00Z By October, KGB officers in Moscow were able to produce a complete report on plutonium bomb design, containing detailed descriptions of each component of the weapon and specific materials needed. Bomb 2012-01-01T00:00:00Z From that material, the Los Alamos bomb makers would create the device known as Fat Man, the plutonium bomb dropped over Nagasaki three days after the Hiroshima bombing. Big Science 2015-07-07T00:00:00Z “To test or not to test the plutonium bomb was a very hot issue,” George Kistiakowsky remembered. Bomb 2012-01-01T00:00:00Z The scientists could determine if plutonium was present only by reading its trace radioactive signature; this was science performed not by observation but by deduction. Big Science 2015-07-07T00:00:00Z When Oppenheimer realized he needed to design a new type of plutonium bomb, he’d called for extra help. Bomb 2012-01-01T00:00:00Z Morrison set the plutonium down next to a table by the wall. Bomb 2012-01-01T00:00:00Z A lovely lump of plutonium so radioactive it gives off 1500 watts of heat, which it uses to harvest 100 watts of electricity. The Martian 2011-01-01T00:00:00Z “A gun just would not assemble plutonium fast enough.” Bomb 2012-01-01T00:00:00Z Oppenheimer’s scientists assumed this same gun assembly method would work for plutonium. Bomb 2012-01-01T00:00:00Z “Oppenheimer and I were pleading with General Groves that there had to be a test because the whole scheme was so uncertain. But General Groves said he couldn’t afford to lose all that plutonium.” Bomb 2012-01-01T00:00:00Z In the distance, Lawrence could see the glow of spotlights illuminating the spindly hundred-foot-tall test tower from which the plutonium “gadget” was suspended. Big Science 2015-07-07T00:00:00Z If the shock waves moving in on the plutonium were not perfectly even, some plutonium would squirt out, instead of being driven in. Bomb 2012-01-01T00:00:00Z That suggested in turn that the Nazis had discovered plutonium, which they intended, like the Allies, to breed in a reactor. Big Science 2015-07-07T00:00:00Z Hall handed Sax two pages of handwritten notes—everything he’d learned about the plutonium bomb so far. Bomb 2012-01-01T00:00:00Z It had been four years since he and Emilio Segre had crossed the Berkeley campus with a bucket of ether infused with microscopic quantities of plutonium and suspended from a long wooden pole. Big Science 2015-07-07T00:00:00Z Trying to control that much at once would be like trying to control plutonium in a reactor. The Son of Neptune 2011-10-04T00:00:00Z One of them, Element 94, is called plutonium and is one of the most toxic substances known. Cosmos 1980-01-01T00:00:00Z The design for the uranium bomb was complete, and the plutonium bomb was nearly done. Bomb 2012-01-01T00:00:00Z Since firing two pieces of plutonium together inside a gun was too slow, the only solution, they reluctantly decided, was to blast the pieces of pluto nium together with explosives—a process known as “implosion.” Bomb 2012-01-01T00:00:00Z So, in a gun assembly bomb, the chain reaction would start even before the two lumps of plutonium came completely together. Bomb 2012-01-01T00:00:00Z The reactors at Hanford, however, were breeding plutonium in sufficient volume to make a test feasible and provide for an unlimited number of plutonium bombs afterward. Big Science 2015-07-07T00:00:00Z As Seaborg reported in his journal, it was the first time that plutonium—indeed, any synthetic element—had been seen by the naked eye. Big Science 2015-07-07T00:00:00Z At the same time, at the ranch house, the physicist Robert Bacher supervised the assembly of the bomb’s plutonium core. Bomb 2012-01-01T00:00:00Z The Hanford plant was created to produce plutonium as quickly as possible. Bomb 2012-01-01T00:00:00Z From the slugs of irradiated uranium, fissile plutonium would be extracted at a second plant ten miles away, eventually to be sent on its way to Los Alamos. Big Science 2015-07-07T00:00:00Z The stuff could be worse than plutonium because it could replicate. The Hot Zone 1994-01-01T00:00:00Z Over the next eighteen months, this indefatigable machine would produce two thousandths of a gram of plutonium, a quantity about the size of a grain of salt. Big Science 2015-07-07T00:00:00Z “If you have neutrons, you can make any commodity,” including plutonium, he told an enthralled Joint Atomic Energy Committee. Big Science 2015-07-07T00:00:00Z Instead, Voyager relies on a small nuclear power plant, drawing hundreds of watts from the radioactive decay of a pellet of plutonium. Cosmos 1980-01-01T00:00:00Z The papers, he said, “included a statement on the special difficulties that would have to be overcome in making a plutonium bomb.” Bomb 2012-01-01T00:00:00Z Known as Fat Man, this was a large, round plutonium implosion bomb similar to the one tested at Trinity. Bomb 2012-01-01T00:00:00Z His machine would be capable of producing a half kilogram of plutonium—just over a pound—a day. Big Science 2015-07-07T00:00:00Z And, of course, he felt he had more than enough administrative experience in large projects to oversee electromagnetic separation, plutonium, and the chain-reaction pile without overstretching himself. Big Science 2015-07-07T00:00:00Z At the moment, 94 had not been named, but in due course it would become known as plutonium. Big Science 2015-07-07T00:00:00Z Fermi had yet to achieve a chain reaction, so the availability of plutonium was still in question. Big Science 2015-07-07T00:00:00Z Two days later, Alvarez was preparing for the second run that would drop the plutonium bomb, “Fat Man,” on Nagasaki. Big Science 2015-07-07T00:00:00Z That is, the force driving the pieces of plutonium together had to be exactly the same from every angle. Bomb 2012-01-01T00:00:00Z Sure enough, conflict between them broke open at the end of January, when Lawrence appeared in Chicago with a proposal to centralize all the plutonium and isotope work, including the atomic pile, at Berkeley. Big Science 2015-07-07T00:00:00Z With Fermi’s chain-reacting pile still undergoing its difficult gestation, for all they knew this was the only plutonium that would be seen for months, or even years. Big Science 2015-07-07T00:00:00Z The plutonium is inside a bunch of pellets, each one sealed and insulated to prevent radiation leakage, even if the outer container is breached. The Martian 2011-01-01T00:00:00Z Basically, the idea was to take several pieces of plutonium, about the size of a grapefruit all together. Bomb 2012-01-01T00:00:00Z Fission occurred even faster than expected in plutonium, causing a chain reaction to begin more quickly than in uranium. Bomb 2012-01-01T00:00:00Z “Seaborg tells me that within six months from the time plutonium is formed, he can have it available for use in the bomb.” Big Science 2015-07-07T00:00:00Z The next day Philip Morrison, one of Oppenheimer’s former students, removed the plutonium bomb core from a vault in the Los Alamos Tech Area. Bomb 2012-01-01T00:00:00Z Luckily, Seaborg did not need a kilogram of plutonium just then, only a few micrograms. Big Science 2015-07-07T00:00:00Z But plutonium was a little easier to make, and the plutonium bomb design was far more complicated. Bomb 2012-01-01T00:00:00Z Army would have twenty plutonium bombs by the end of 1945. Bomb 2012-01-01T00:00:00Z Explosives would be arranged around the plutonium, like a very thick skin around a fruit. Bomb 2012-01-01T00:00:00Z Seaborg’s microchemists used hydrofluoric acid to reduce a solution made from the bombardment products and watched a minuscule quantity of pinkish material precipitate out: this was pure plutonium-239. Big Science 2015-07-07T00:00:00Z A few weeks later, General Groves was ushered upstairs to view the plutonium sample for himself. Big Science 2015-07-07T00:00:00Z Through Hall and Fuchs, Kurchatov learned that a gun assembly bomb with plutonium would not work. Bomb 2012-01-01T00:00:00Z The plutonium had expanded in the heat of the ranch house. Bomb 2012-01-01T00:00:00Z His scientists were wrestling with the challenge of building a plutonium bomb. Bomb 2012-01-01T00:00:00Z The explosives would blast the plutonium together at tremendous speed, creating a critical mass and setting off a chain reaction— and an atomic explosion. Bomb 2012-01-01T00:00:00Z The critical mass of plutonium would not stay together long enough to create a massive atomic explosion. Bomb 2012-01-01T00:00:00Z To Ernest, this detritus of U-235 separation and plutonium manufacture was untapped treasure; only neutrons were needed to unlock its value. Big Science 2015-07-07T00:00:00Z A new impetus for the project had emerged: fears of a shortage of uranium ore, the raw material for the production of plutonium bomb cores. Big Science 2015-07-07T00:00:00Z The letter was dropped on Nagasaki with the plutonium bomb on August 9, 1945. Big Science 2015-07-07T00:00:00Z Glenn Seaborg, whose work with plutonium was still conducted under strict government security, was more candid about his capitulation. Big Science 2015-07-07T00:00:00Z This causes the uranium to change into an entirely new element, one that doesn’t occur in nature— scientists named it plutonium. Bomb 2012-01-01T00:00:00Z The planned test of the plutonium bomb over the sands of Alamogordo, New Mexico, an event known as Trinity, was nigh; deployment of the bomb in war could be only a few weeks further off. Big Science 2015-07-07T00:00:00Z The results helped convince Oppenheimer that a plutonium implosion bomb might work. Bomb 2012-01-01T00:00:00Z Then Bruno Rossi put him to work experimenting with components of the new plutonium bomb. Bomb 2012-01-01T00:00:00Z The RTG houses the plutonium, catches the radiation in the form of heat, and turns it into electricity. The Martian 2011-01-01T00:00:00Z Their primary goal was to bombard uranium to obtain sufficient plutonium for study. Big Science 2015-07-07T00:00:00Z Hanford produced the plutonium used in the atomic bomb dropped on Nagasaki on Aug. 9, 1945 — 75 years ago this Sunday. In deft, distressing ‘Apocalypse Factory,’ Seattle author details Hanford’s role in the dawn of the nuclear age 2020-08-05T04:00:00Z Could enough plutonium be separated from irradiated fuel? Science writer Hill Williams chronicles Hanford's nuclear history 2011-07-07T19:29:05Z Alas, certain members of this cast could have the half-life of plutonium. Shutting down the house: 'Jersey Shore' ending run 2012-12-18T16:32:50Z It also supplied the plutonium for most of the thousands of American nuclear weapons manufactured since then. In deft, distressing ‘Apocalypse Factory,’ Seattle author details Hanford’s role in the dawn of the nuclear age 2020-08-05T04:00:00Z Or was it the woozy Hitler rant the designer spouted in a separate incident that was captured on video, the one that, like plutonium, will have a half-life of 80,000,000 years? At the Bar in the Galliano Case, Silence 2011-03-01T22:33:22Z Next, we advance fifteen years, by which time Brody—strangely unaged, with the same bad hair, as if a dose of plutonium keeps you young—is still hung up on what happened. Anthony Lane: “Godzilla” Review 2014-05-26T04:00:00Z Missile silos and sites like the former plutonium production facility at Hanford, Washington, carry the legacy of cancer clusters and expensive clean-ups, overlaid with the uncomfortable taint of official denial. America’s forgotten war 2012-11-23T15:00:00Z The book also encompasses the political and military strategies of the period, along with the “fiendishly difficult” challenges of producing plutonium in a way that wouldn’t kill its makers. In deft, distressing ‘Apocalypse Factory,’ Seattle author details Hanford’s role in the dawn of the nuclear age 2020-08-05T04:00:00Z Trained as a chemist, he worked during World War II on a government project that was producing plutonium for atom bombs. Art Review: Robert Duncan and Jess, and Their Wonderland of Art 2014-01-16T22:59:26Z He's got to work out the chemical properties of plutonium. A life in writing: Ray Monk 2012-11-09T22:55:03Z Greenspan accurately calls the information “the mother lode, the design of the plutonium bomb.” The Spy Who Handed America’s Nuclear Secrets to the Soviets 2020-05-12T04:00:00Z After the Soviet Union dissolved in 1989, plutonium could be obtained by simply smashing the lock on a storage shed. Countdown to Zero: Valerie Plame at the End of the World 2010-08-02T16:30:00Z Some kind of alien life form for which plutonium is a source of nutrition? | 'Into Eternity': Humans, Who Once Buried Their Treasures, Now Bury Their Dangers 2011-02-01T22:51:58Z Everyone ambled toward the precise spot where the gadget, a plutonium core surrounded by TNT, was detonated on a high platform. The Day the Sun Rose Twice: A Tour of Atomic New Mexico 2022-11-04T04:00:00Z “My family never talks about feelings, and we certainly never talk about plutonium,” Ms. Iversen writes. Book Review: ‘Full Body Burden’ by Kristen Iversen 2012-09-27T21:30:42Z BHL can waggle his bouffant all he likes but he's never outwitted Libyan terrorists, angered that someone had stolen their plutonium to help run a flux capacitor. Who should succeed Gaddafi? Step forward Marty McFly 2011-03-23T09:00:04Z Audience participation is like plutonium; it needs to be handled delicately. Review: In ‘The Revolving Cycles,’ What Happened to Terrell? 2018-09-20T04:00:00Z In July 1944, an emergency meeting was called in Chicago as scientists and engineers feared the proposed plutonium atomic bomb would detonate with more of a fizzle than an explosion. Science writer Hill Williams chronicles Hanford's nuclear history 2011-07-07T19:29:05Z For instance, plutonium and smoking are best avoided, but there's no reason to avoid processed meat or alcohol completely. Aspartame might be classified as a possible carcinogen by WHO — but there’s no cause for panic 2023-07-05T04:00:00Z Other films written by her included Silkwood, which was inspired by the story of Karen Silkwood, who died in a suspicious car accident while investigating events at a plutonium plant where she worked. Nora Ephron dies aged 71 2012-06-27T00:59:34Z Group 1 for example includes smoking, alcohol, processed meat, plutonium and sunlight. Aspartame might be classified as a possible carcinogen by WHO — but there’s no cause for panic 2023-07-05T04:00:00Z But Hall delivers this chilling history with a tone at times rueful and meditative, as befits a memory she has lived with but contained like plutonium for years. When the Camera Can’t Turn Away, These Women Force Us to Listen 2023-01-04T05:00:00Z Commenting on a 1970 nonprofit report, a University of Colorado biochemist said the plutonium deposits in the soil outside Rocky Flats were “the highest ever measured near an urban area, including the city of Nagasaki.” Book Review: ‘Full Body Burden’ by Kristen Iversen 2012-09-27T21:30:42Z "Who looks at the stars at night and says, 'Oh, those are gaseous forms of plutonium'?" he says. And God created controversy 2010-10-08T23:03:00Z The movie’s MacGuffin is a trio of metallic spheres, about the size of bocce balls, that contain plutonium and are adorned with gizmos to plug them catastrophically into detonators. “Mission: Impossible—Fallout” Is Basically a Two-and-a-Half-Hour Making-Of Sequence 2018-07-28T04:00:00Z But based only on some preliminary work to use conventional explosives to compress a sphere of plutonium into a critical mass, the project continued. Science writer Hill Williams chronicles Hanford's nuclear history 2011-07-07T19:29:05Z No matter how many times I watch my favorite sci-fi films and series, I still can’t tell a parsec from a cylinder of drugstore plutonium. Fusion? We’ve Seen This Movie Before. 2022-12-13T05:00:00Z He started his long and productive life as chemist, working during World War II on the production of plutonium for the Manhattan Project. Books for Art Lovers 2012-11-22T20:15:43Z Those “Northern Lights” were in fact billions of irradiated particles that had been released into the air when a plutonium production plant exploded in nearby Kyshtym. ‘Atoms and Ashes,’ a Frightening Tour of Six Nuclear Accidents 2022-05-18T04:00:00Z Peterborough 1:36pm@hubbackk You may be correct - it could be that a few atoms of plutonium have made it into our bodies from atomic bomb tests - I have never thought about that before! Brian Cox digested: A summary of Thursday's live Q&A session 2011-03-25T17:58:00Z The date was Feb. 26, 1943, and construction would not start for another month on the Hanford nuclear reservation, which would produce plutonium for atomic bombs and usher in the atomic age. Science writer Hill Williams chronicles Hanford's nuclear history 2011-07-07T19:29:05Z But Windscale’s operators were responding to government pressure to produce more plutonium and tritium; it was also the government that pushed to build Windscale quickly and cheaply. ‘Atoms and Ashes,’ a Frightening Tour of Six Nuclear Accidents 2022-05-18T04:00:00Z Frank is one of the leading physicists at Los Alamos heading a small team of young scientists trying to come up with a better way to produce plutonium. ‘Manh(a)ttan,’ Atomic Bomb Drama, on WGN 2014-07-24T04:00:00Z Lawrence’s devices separated the uranium used in the Hiroshima bomb, and produced the first samples of the plutonium used in the Nagasaki bomb. ‘Big Science,’ by Michael Hiltzik 2015-07-13T04:00:00Z Drafted during World War II, he worked on the production of plutonium for the atomic bomb – a hands-on relationship with the cataclysmic potential of modern science that seems to have shaken him to his core. Creative era of Jess Collins, Robert Duncan brought full circle 2014-09-23T04:00:00Z For the interstellar plutonium-244, which occurs in concentrations more than 10,000 times lower, only data for individual atoms were available for a long time. Exploding stars 2023-11-02T04:00:00Z The report said China would use new fast-breeder reactors and reprocessing facilities to produce plutonium for its nuclear weapons, despite publicly saying the technologies are intended for peaceful purposes. China's defence ministry blasts Pentagon's annual report 2023-10-25T04:00:00Z China and Russia closely cooperate on civilian nuclear plants - some of which could be used to produce military grade plutonium, such as the fast breeder rectors at Xiapu. Xi and Putin: What to watch for when they meet 2023-10-15T04:00:00Z As plutonium is compressed with the high explosives, a detector will convert the X-rays into images recorded by a sensitive camera that can capture images at speeds of 1 billion per second. U.S. moves closer to underground testing of nuclear weapons stockpile without any actual explosions 2023-10-05T04:00:00Z "South Korea and the U.S. believe this could be a sign of reprocessing work being done to obtain weapons-grade plutonium," the Donga Ilbo newspaper quoted a government source as saying. North Korea halts nuclear reactor, likely to extract bomb fuel - report 2023-10-05T04:00:00Z The same applies to the plutonium isotope with the atomic mass of 244. Exploding stars 2023-11-02T04:00:00Z The headline grabber, though, is the production of plutonium cores. Birthplace of the atomic bomb braces for its biggest mission since the top-secret Manhattan Project 2023-09-23T04:00:00Z Over 40 years, Hanford produced the plutonium for nearly two-thirds of the U.S. nuclear arsenal. Our nuclear legacy and the weight of history | Op-Ed 2023-09-22T04:00:00Z Custer said above-ground facilities have tested explosive behaviors of other materials but the Scorpius experiments will use real plutonium, which is unique. U.S. moves closer to underground testing of nuclear weapons stockpile without any actual explosions 2023-10-05T04:00:00Z Reprocessing of spent fuel rods removed from a nuclear reactor is a step taken before plutonium is extracted. North Korea halts nuclear reactor, likely to extract bomb fuel - report 2023-10-05T04:00:00Z However, this plutonium-244 is more likely generated by the collision of neutron stars than by supernovae. Exploding stars 2023-11-02T04:00:00Z Wearing radiation monitors, safety goggles and seven layers of gloves, they practice shaping new warhead plutonium cores - by hand. Inside the delicate art of maintaining America’s aging nuclear weapons 2023-09-20T04:00:00Z That can be problematic, because there’s a lot about plutonium’s aging process that scientists still don’t understand. Inside the delicate art of maintaining America’s aging nuclear weapons 2023-09-19T04:00:00Z “So, the question to us is, are we feeding accurate data into our codes about plutonium’s behavior?” U.S. moves closer to underground testing of nuclear weapons stockpile without any actual explosions 2023-10-05T04:00:00Z The Yongbyon nuclear complex is the North's main source of plutonium that it likely has used to build nuclear weapons. North Korea halts nuclear reactor, likely to extract bomb fuel - report 2023-10-05T04:00:00Z After a period of 80 million years, about half of the plutonium-244 isotope has turned into other elements. Exploding stars 2023-11-02T04:00:00Z Because the U.S. no longer conducts explosive nuclear tests, scientists are not exactly sure how aging warhead plutonium cores affect detonation. This is what it’s like to maintain the US nuclear arsenal 2023-09-19T04:00:00Z The key radioactive atom in the plutonium pit has a half life of 24,000 years, which is the amount of time it would take roughly half of the radioactive atoms present to decay. Inside the delicate art of maintaining America’s aging nuclear weapons 2023-09-19T04:00:00Z The lake’s record shifts abruptly in 1950, when plutonium shows up, drifting across the continent from nuclear bomb tests in Nevada and the Pacific. Opinion: The atomic bomb laid down the marker for humanity's era of catastrophic change 2023-09-03T04:00:00Z Independent estimates of the North's plutonium range as high as 70 kg, which could be enough to build 20 or more weapons. North Korea halts nuclear reactor, likely to extract bomb fuel - report 2023-10-05T04:00:00Z Therefore, the slowly decaying plutonium-244 is, in addition to iron-60, another indicator of galactic events and the production of new elements in the last millions of years. Exploding stars 2023-11-02T04:00:00Z Technicians at the Los Alamos National Lab conduct similar evaluations, putting plutonium under extreme stress, heat and pressure to ensure it is stable enough to blow up as intended. This is what it’s like to maintain the US nuclear arsenal 2023-09-19T04:00:00Z But the plutonium decay is still enough to cause concern that it could affect how a pit explodes. Inside the delicate art of maintaining America’s aging nuclear weapons 2023-09-19T04:00:00Z So when you're splitting a uranium or plutonium atom, depending on how many protons and neutrons end up in each half, you get a totally different, often totally unusual isotope. Meet the Physicist who Spoke Out against the Bomb She Helped Create 2023-08-24T04:00:00Z The fission, or splitting, of radioactive elements such as uranium and plutonium gives nuclear weapons their power. Turtle Shells Record Nuclear History 2023-08-22T04:00:00Z So do the plutonium-244 isotopes, which were possibly created in other events and swept up by the supernova's expanding envelope. Exploding stars 2023-11-02T04:00:00Z The continuation of spent fuel reprocessing program and the delay have only added to Japan’s already large plutonium stockpile, raising international concern. Japan’s nuclear plants are short of storage for spent fuel. A remote town could have the solution 2023-08-18T04:00:00Z Instead, old plutonium is essentially refurbished into new pits. Inside the delicate art of maintaining America’s aging nuclear weapons 2023-09-19T04:00:00Z There’s a bit of talk about uranium and plutonium and of fusion and fission. Science, Destroyer of Worlds—And Movie Scripts 2023-08-02T04:00:00Z That bongo-playing physicist glimpsed at the Trinity plutonium bomb test in the New Mexico desert? Column: 'Oppenheimer' is a great movie, but commits these historical blunders 2023-07-31T04:00:00Z Efforts are underway to produce new plutonium cores, the production of which devastated Hanford. Nuclear weapons: ‘Meet the moment’ 2023-07-28T04:00:00Z The problem stems from Japan’s stalled nuclear fuel recycling program to reprocess plutonium from spent fuel for reuse. Japan’s nuclear plants are short of storage for spent fuel. A remote town could have the solution 2023-08-18T04:00:00Z Inside, workers handle the plutonium inside steel glove boxes, which allow them to clean and process the plutonium without being exposed to deadly radiation. Inside the delicate art of maintaining America’s aging nuclear weapons 2023-09-19T04:00:00Z For example, there’s not even an allusion to the problems with plutonium-240 contamination that caused a minor crisis in 1944 and a change in scientific direction. Science, Destroyer of Worlds—And Movie Scripts 2023-08-02T04:00:00Z The U.S. government built Hanford and other complexes in the 1940s to produce plutonium and uranium for atomic bombs under the Manhattan Project. US says largest solar project could be built on Energy Dept land 2023-07-28T04:00:00Z In 1944, the year before Aggie joined the project, quantities of plutonium large enough to be seen by the naked eye were collected on site for the construction of the bomb. This Lost Woman of the Manhattan Project Saw the Deadly Effects of Nuclear Radiation Up Close 2023-07-27T04:00:00Z “They spread more than ten pounds of plutonium across the Tularosa Basin. Our government has never come back to sort out what happened to us. We’re just collateral damage.” Oppenheimer's test site wasn't remote. It was populated by Hispanos and Native Americans 2023-07-26T04:00:00Z He could have retired years ago, but has remained to shepherd the first new plutonium pits through to production. Inside the delicate art of maintaining America’s aging nuclear weapons 2023-09-19T04:00:00Z Workers simultaneously built massive chemical processing plants, which they called Queen Mary buildings because of their size, to separate plutonium from fuel elements that had been processed in the reactors. 'Oppenheimer' and what it misses about Hanford | Op-Ed 2023-07-21T04:00:00Z After the war, Leona's expertise in nuclear pile design led her to a job overseeing the operation and construction of the plutonium production reactors in Hanford, Washington. What the Film Oppenheimer Probably Will Not Talk About: The Lost Women of the Manhattan Project 2023-07-20T04:00:00Z Just how dangerous became clear to Aggie in the aftermath of a second accident with plutonium. This Lost Woman of the Manhattan Project Saw the Deadly Effects of Nuclear Radiation Up Close 2023-07-27T04:00:00Z The specific date will be determined soon, probably by levels of plutonium in new measurements from the bottom of the special lake site. Scientists now say a new epoch – the Anthropocene, marked by human impact on Earth – began in 1950s 2023-07-11T04:00:00Z Wearing radiation monitors, safety goggles and seven layers of gloves, they practice shaping new warhead plutonium cores — by hand. Inside the delicate art of maintaining America’s aging nuclear weapons 2023-09-19T04:00:00Z Throughout the Cold War, Hanford and its sister facilities in other bomb-building countries churned out plutonium to arm the world’s growing nuclear arsenals. 'Oppenheimer' and what it misses about Hanford | Op-Ed 2023-07-21T04:00:00Z Atomic Bomb Pit No. 2 contained the plutonium bomb, Fat Man, that instantly killed 40,000 people in Nagasaki. The America That Americans Forget 2023-07-07T04:00:00Z The goal was to cause a plutonium core to generate a short controlled nuclear chain reaction. This Lost Woman of the Manhattan Project Saw the Deadly Effects of Nuclear Radiation Up Close 2023-07-27T04:00:00Z The waste is left from the past production of nearly two-thirds of the plutonium for the nation’s nuclear weapons program from World War II to the Cold War. At Hanford, world’s largest radioactive-waste melter is fired up again 2023-06-27T04:00:00Z The core of every nuclear warhead is a hollow, globe-shaped plutonium pit made by engineers at the Energy Department’s lab in Los Alamos, New Mexico, birthplace of the atom bomb. Inside the delicate art of maintaining America’s aging nuclear weapons 2023-09-19T04:00:00Z Today, Hanford is one of the most radioactively contaminated places in the world, along with the site where the Soviet Union originally made plutonium for its nuclear weapons. 'Oppenheimer' and what it misses about Hanford | Op-Ed 2023-07-21T04:00:00Z The state first outlined its terms in December, seeking to ensure that high-level waste such as diluted plutonium wouldn’t find its way to the state. New Mexico negotiates settlement over permit renewal for US nuclear waste repository 2023-06-27T04:00:00Z The most sensitive nuclear weapons information is classified as "RD," for Restricted Data, and covers warhead designs and uranium and plutonium production, according to a DOE guide entitled “Understanding Classification.” Trump lacked power to declassify secret nuclear arms document, experts say 2023-06-18T04:00:00Z Cleanup workers have demolished contaminated buildings, cleansed soil along the Columbia and stabilized seven reactors that made plutonium. A Poisonous Cold War Legacy That Defies a Solution 2023-05-31T04:00:00Z There are already two different drug injections that can be used to treat people who have been exposed to radioactive plutonium, americium or curium. Dirty-bomb antidote: Drug trial begins in US 2023-05-16T04:00:00Z But the operation of nuclear reactors inevitably creates plutonium, and plutonium can be used to build atomic bombs. 'Oppenheimer' and what it misses about Hanford | Op-Ed 2023-07-21T04:00:00Z The probes use three plutonium dioxide radioisotope thermoelectric generators. These are the oldest space probes that are still operational 2023-05-07T04:00:00Z “You would have thought we were asking him to carry plutonium.” A federal judge was refused a Lyft ride with his guide dog. He’s not alone. 2023-04-20T04:00:00Z In a real weapon, conventional explosives ringing an actual pit would implode the plutonium to a critical density, triggering an explosive fissile chain reaction. Trust but verify: Can the U.S. certify new nuclear weapons without detonating them? 2023-04-20T04:00:00Z China has built a reactor on its coast that excels at making plutonium, a key ingredient for producing nuclear bombs, though Beijing maintains that it is strictly for civilian purposes. Your Thursday Briefing: India’s Population Milestone 2023-04-19T04:00:00Z After a 45-minute bus ride through the desert, visitors can tour the world’s first large-scale nuclear reactor, which is virtually unchanged from when it began producing plutonium in 1944. 'Oppenheimer' and what it misses about Hanford | Op-Ed 2023-07-21T04:00:00Z These RTGs are a kind of nuclear battery powered using heat from the natural radioactive decay of plutonium-238, making them long-lasting and fully functional even in the cold, dark depths of space. These are the oldest space probes that are still operational 2023-05-07T04:00:00Z The reactor, known as a fast breeder, excels at making plutonium, a top fuel of atom bombs. 3 Nuclear Superpowers, Rather Than 2, Usher In a New Strategic Era 2023-04-19T04:00:00Z Much of the money will go to producing new plutonium pits to replace those in the arsenal and to modernizing four warheads. Trust but verify: Can the U.S. certify new nuclear weapons without detonating them? 2023-04-20T04:00:00Z North Korea’s main nuclear complex in Yongbyon has facilities to produce both plutonium and highly enriched uranium, the two main bomb fuels used to build nuclear weapons. Kim wants N. Korea to make more nuclear material for bombs 2023-03-27T04:00:00Z They were built to manufacture a newly discovered element, plutonium, that then would be sent to New Mexico to fuel the bombs being assembled by the physicists. 'Oppenheimer' and what it misses about Hanford | Op-Ed 2023-07-21T04:00:00Z The Pentagon expressed concern Wednesday that Russia is supplying uranium for Chinese reactors that are producing plutonium for warheads as part of Beijing large-scale nuclear build-up. Pentagon says Russia supplying fuel for Chinese warheads 2023-03-08T05:00:00Z But John F. Plumb, a senior Pentagon official, told Congress recently: “There’s no getting around the fact that breeder reactors are plutonium, and plutonium is for weapons.” 3 Nuclear Superpowers, Rather Than 2, Usher In a New Strategic Era 2023-04-19T04:00:00Z The gargantuan effort is motivated by a simple fact: many current pits are more than 40 years old, and plutonium behaves in confounding ways as it ages and radioactively decays. Trust but verify: Can the U.S. certify new nuclear weapons without detonating them? 2023-04-20T04:00:00Z A joint program with Russia and Kazakhstan recovered 100 kilograms of plutonium that might have gone to scavengers, as a result of this detective work. Lab-Leak Intelligence Reports Aren't Scientific Conclusions 2023-03-03T05:00:00Z Today, a fist-sized “pit” of plutonium serves as the trigger of every nuclear weapon in the U.S. arsenal, including the 1,000-plus warheads stockpiled at Naval Base Kitsap 20 miles northwest of Seattle. 'Oppenheimer' and what it misses about Hanford | Op-Ed 2023-07-21T04:00:00Z “But there’s no getting around the fact that breeder reactors are for plutonium, and plutonium is for weapons,” Mr. Plumb said. Pentagon says Russia supplying fuel for Chinese warheads 2023-03-08T05:00:00Z The atomic triggers are usually made of plutonium. 3 Nuclear Superpowers, Rather Than 2, Usher In a New Strategic Era 2023-04-19T04:00:00Z The mock pits, made of dense metals such as lead, tantalum, or depleted uranium, have properties similar to plutonium—minus its tendency to fission. Trust but verify: Can the U.S. certify new nuclear weapons without detonating them? 2023-04-20T04:00:00Z North Korea’s Yongbyon complex has facilities to produce both plutonium and highly enriched uranium, the two main ingredients to build nuclear weapons. Fears, questions about N. Korea’s growing nuclear arsenal 2023-02-21T05:00:00Z The site near Richland in Eastern Washington produced almost two-thirds of the plutonium for the nation’s nuclear weapons program from World War II through the Cold War. Feds get more years to destroy chemicals at Hanford linked to illness 2023-02-15T05:00:00Z The latest Chinese reactor is estimated to be fully operational this year and will produce weapons-grade plutonium for nuclear warheads.\\ Pentagon says Russia supplying fuel for Chinese warheads 2023-03-08T05:00:00Z The United States has about 40 tons of plutonium left over from the Cold War that is available for weapons and needs no more. 3 Nuclear Superpowers, Rather Than 2, Usher In a New Strategic Era 2023-04-19T04:00:00Z In the case of nuclear weapons and their plutonium pits, he says, the answer appears to be, “Actually, yes.” Trust but verify: Can the U.S. certify new nuclear weapons without detonating them? 2023-04-20T04:00:00Z The site produced plutonium for the nation’s nuclear weapons program through the Cold War and now environmental cleanup is underway. Bats? Aliens? Odd radar signal is detected in Eastern Washington 2023-01-17T05:00:00Z The federal government has not manufactured plutonium cores regularly in more than 30 years and faces a congressionally mandated deadline of turning out at least 80 per year by 2030. US nuclear agency falls short on scheduling, cost estimates 2023-01-12T05:00:00Z In a reactor’s core, uranium and plutonium nuclei split in a chain reaction, and the antineutrinos come from the radioactive “beta decay” of the lighter nuclei left behind. Nuclear reactor mystery solved, with no need for new particles 2023-01-11T05:00:00Z It is, however, building two new plants that can fashion the old plutonium into triggers for refurbished and new thermonuclear arms, such as the W93. 3 Nuclear Superpowers, Rather Than 2, Usher In a New Strategic Era 2023-04-19T04:00:00Z They aren’t easy to make, in part because plutonium, a metal only in existence since 1940, is mysterious and hard to handle. Trust but verify: Can the U.S. certify new nuclear weapons without detonating them? 2023-04-20T04:00:00Z Japan has 44 tons of plutonium and could construct nuclear weapons in months. Opinion | Saber-rattling in the Pacific could have dire consequences 2022-12-30T05:00:00Z The GAO describes the modernization effort as the agency’s largest investment in weapons production infrastructure to date, noting that plutonium is a dangerous material and making the weapon cores is difficult and time consuming. US nuclear agency falls short on scheduling, cost estimates 2023-01-12T05:00:00Z In the late 1980s, researchers at ILL exposed foils of plutonium-239 and uranium-235 to neutrons from the reactor to induce atoms to split. Nuclear reactor mystery solved, with no need for new particles 2023-01-11T05:00:00Z They say Washington has in storage at least 20,000 plutonium triggers from retired hydrogen bombs and that some of them, if needed, could be recycled. 3 Nuclear Superpowers, Rather Than 2, Usher In a New Strategic Era 2023-04-19T04:00:00Z One might think the new pits would make it easier to certify the stockpile, by avoiding the uncertainties of aging plutonium. Trust but verify: Can the U.S. certify new nuclear weapons without detonating them? 2023-04-20T04:00:00Z The permit negotiations follow Congress’ approval last week of a defense bill that would clear the way for more money to be spent on making key plutonium components for the nation’s nuclear arsenal. New Mexico seeks tougher provisions for US nuclear dump 2022-12-20T05:00:00Z In its report, the GAO outlined the process for making plutonium pits along with a history of how and where the work was done during the Cold War. US nuclear agency falls short on scheduling, cost estimates 2023-01-12T05:00:00Z That’s when human populations, economic activity and greenhouse gas emissions began skyrocketing worldwide, leaving indelible traces: plutonium isotopes from nuclear explosions, nitrogen from fertilizers, ash from power plants. For Planet Earth, This Might Be the Start of a New Age 2022-12-17T05:00:00Z Known as Panel 8, the new area consists of seven separate rooms for placing special boxes and barrels packed with lab coats, rubber gloves, tools and debris contaminated with plutonium and other radioactive elements. US nuclear waste repository begins filling new disposal area 2022-11-26T05:00:00Z They are being manufactured using recycled and purified plutonium from old pits, not fresh material, unlike the originals. Trust but verify: Can the U.S. certify new nuclear weapons without detonating them? 2023-04-20T04:00:00Z The detonation of a plutonium implosion device aboard a Royal Navy ship in the Montebello Islands off Western Australia, dubbed Operation Hurricane, made Britain the world’s third nuclear-armed nation, after the United States and Russia. Veterans of UK nuclear weapons tests win battle for medal 2022-11-21T05:00:00Z The United Nations’ nuclear watchdog last year said that North Korea may be preparing to ramp up its production of plutonium and highly enriched uranium in Yongbyon. North Korea’s Arsenal Has Grown Rapidly. Here’s What’s in It. 2021-03-26T04:00:00Z Instead, they are painstakingly disassembled, and their parts, including their deadly plutonium cores, are kept in a maze of bunkers and warehouses across the United States. The Surprising Afterlife of Unwanted Atom Bombs 2022-11-17T05:00:00Z Reprocessing involves converting plutonium and uranium in waste into new nuclear fuel. COP27: UN nuclear chief says radioactive waste recycling is 'difficult' technology 2022-11-10T05:00:00Z Johnson added that if Beijing preferred to not engage bilaterally, it could "demonstrate some transparency" about its nuclear build-up through the International Atomic Energy Agency by declaring its plutonium stocks for civilian purposes. U.S. says China resisting nuclear talks after Xi vow to boost deterrent 2022-11-01T04:00:00Z From World War II through the Cold War, Hanford produced about two-thirds of the plutonium for the nation’s nuclear weapons program. Plutonium reactor in Eastern WA encased in steel to protect river 2022-10-28T04:00:00Z That includes about 40,000 barrels of transuranic waste composed of work clothing, rags, machine parts and tools contaminated with plutonium and other radioactive elements. Idaho resumes radioactive waste shipments to New Mexico 2022-10-13T04:00:00Z The plutonium cores of retired hydrogen bombs are of particular concern, Mr. Alvarez and others say. The Surprising Afterlife of Unwanted Atom Bombs 2022-11-17T05:00:00Z Uranium fuel irradiated at Hanford was chemically reprocessed to remove plutonium. No turning back: World’s largest radioactive waste melter starts in Central WA 2022-10-09T04:00:00Z However, the UN's atomic agency says satellite images suggest that North Korea had restarted the reactor which makes its weapons-grade plutonium. North Korea: What missiles does it have? 2022-10-04T04:00:00Z The water basins at the K West and K East reactors were used to store uranium fuel irradiated at N Reactor but not processed to remove plutonium at the end of the Cold War. Plutonium reactor in Eastern WA encased in steel to protect river 2022-10-28T04:00:00Z The lasers are aimed in pulses of 20 billionths of a second and 500 trillion watts—roughly 1,000 times U.S. power usage at any given instant—at minute samples of plutonium and other substances. See the Facility That Tests whether Nuclear Weapons Work 2022-10-02T04:00:00Z The Clinton, Bush and Obama administrations all made plans — with costs in the billions of dollars — to get rid of excess plutonium stocks, which grew rapidly after the Cold War because of arms disassembly. The Surprising Afterlife of Unwanted Atom Bombs 2022-11-17T05:00:00Z Sen. Catherine Cortez Masto said in a statement that she was notified by the National Nuclear Security Administration late Friday that the plutonium had been removed. Weapons-grade plutonium secretly sent to Nevada removed 2022-09-17T04:00:00Z The Hanford project that enriched the plutonium was also critical during the Cold War era before ceasing production at the end of the 1980s. A Proud Nuclear Town Grapples With How to Remember the Bomb 2022-09-10T04:00:00Z “Any country acquiring nuclear reactors automatically enhances its capacity to make nuclear weapons,” he said, adding that every SMR could produce “around 10 bombs worth of plutonium each year.” Small nuke reactors emerge as energy option, but risks loom 2022-09-10T04:00:00Z Every year their batteries lose up to 4 watts of power due to the decay of plutonium-238, the radioisotope that fuels them. JPL tries to keep Voyager space probes from disconnecting the world’s longest phone call 2022-09-03T04:00:00Z The waste is left over from the production of plutonium for nuclear weapons on the Hanford nuclear reservation near Richland, Washington. WA, U.S. Energy Dept. reach deal to address 2 leaking nuke waste tanks 2022-08-25T04:00:00Z The waste is left over from the production of plutonium for nuclear weapons on the Hanford Nuclear Reservation near Richland, Washington. Deal reached to address 2 leaking nuclear waste tanks 2022-08-25T04:00:00Z And as the U.S. government moved to decommission the Hanford buildings, Mr. Ballard helped lead efforts to preserve the reactor that produced the Nagasaki plutonium. A Proud Nuclear Town Grapples With How to Remember the Bomb 2022-09-10T04:00:00Z Worse yet, plutonium has a long radioactive half-life and is not readily eliminated by the body, and so it will remain in the lungs. College Physics for AP Courses 2015-08-12T00:00:00Z As discussed previously, the plutonium forms from the combination of neutrons and the uranium in the fuel. Chemistry 2019-02-14T00:00:00Z Energy Department had set deadlines for 2026 and 2030 for ramping up production of the plutonium cores, but it’s unclear whether those will be met given the billions of dollars in infrastructure improvements still needed. Watchdog groups call review at US nuclear lab ‘sham’ process 2022-08-19T04:00:00Z The waste is left from chemically processing irradiated uranium fuel from World War II through the Cold War to remove plutonium for the nation’s nuclear weapons program. Hanford’s soaring cost of radioactive waste cleanup is targeted as NW governors seek more funding 2022-08-12T04:00:00Z Find a function that gives the amount of plutonium-244 remaining as a function of time, measured in years. Algebra and Trigonometry 2015-02-13T00:00:00Z Reactors designed specifically to make plutonium are called breeder reactors. College Physics for AP Courses 2015-08-12T00:00:00Z Similar fission reactions have been observed with other uranium isotopes, as well as with a variety of other isotopes such as those of plutonium. Chemistry 2019-02-14T00:00:00Z The group pointed to more than $19 billion in new construction and operational costs for Los Alamos’ new plutonium core production mission through fiscal year 2033. Watchdog groups call review at US nuclear lab ‘sham’ process 2022-08-19T04:00:00Z However, plutonium is an expensive, rare and dangerous substance. 2 Seattle startups racing to transform next-gen space travel 2022-06-26T04:00:00Z Hanford plutonium was included in the bomb dropped on Nagasaki, Japan, at the end of World War II. Ferguson: Supreme Court ruling won’t hurt Hanford workers 2022-06-21T04:00:00Z Glenn Seaborg, an American chemist and physicist, received the Nobel Prize in physics in 1951 for discovery of several transuranic elements, including plutonium. College Physics for AP Courses 2015-08-12T00:00:00Z This led to a concentration of plutonium in the center that was greater than the critical mass necessary for the nuclear explosion. Chemistry 2019-02-14T00:00:00Z All are powered by a device that converts heat from the radioactive decay of plutonium into electricity. Record-Breaking Voyager Spacecraft Begin to Power Down 2022-06-16T04:00:00Z Washington state has a relationship with nuclear research dating back to the World War II-era Hanford site, which produced most of the plutonium for the U.S. 2 Seattle startups racing to transform next-gen space travel 2022-06-26T04:00:00Z Hanford no longer makes plutonium, but some 10,000 workers are involved in cleaning up a massive volume of nuclear waste that was left behind. Ferguson: Supreme Court ruling won’t hurt Hanford workers 2022-06-21T04:00:00Z Carbon-moderated reactors are relatively inexpensive and simple in design and are still used for breeding plutonium, such as at Chernobyl, where two such reactors remain in operation. College Physics for AP Courses 2015-08-12T00:00:00Z Consequently, the plutonium now present could not have been formed with the uranium. Chemistry 2019-02-14T00:00:00Z South Korea’s latest defence white paper reported that North Korea possesses about 50 kg of weapons grade plutonium and “substantial” amounts of highly enriched uranium, an estimate that remains unchanged since 2016. N.Korea spent as much as $642 million on nukes in 2021, report estimates 2022-06-15T04:00:00Z Ultra Safe has explored different isotopes, like cobalt-60 and thulium, which can be scaled to produce 10 times the energy of traditional plutonium systems while beingsafer and more cost-effective. 2 Seattle startups racing to transform next-gen space travel 2022-06-26T04:00:00Z It produced the plutonium used in the Trinity Test in the New Mexico desert, the first detonation of a nuclear weapon, in July 1945. Public tours resume at historic Central WA nuclear reactor, where the atomic age began 2022-05-23T04:00:00Z In actuality, the United States had only enough plutonium for one more and as yet unassembled bomb. College Physics for AP Courses 2015-08-12T00:00:00Z Some of this highly radioactive plutonium is used to produce military weapons, and the rest presents a serious storage problem because they have half-lives from thousands to hundreds of thousands of years. Chemistry 2019-02-14T00:00:00Z The lab is one of two U.S. sites gearing up to manufacture plutonium cores for use in nuclear weapons. Menaced by flames, nuclear lab peers into future of wildfire 2022-05-13T04:00:00Z Crews also were battling a smaller fire near Los Alamos National Laboratory, a key government facility for nuclear research that has been tapped to ramp up production of plutonium components for the nation’s nuclear arsenal. New Mexico wildfire grows; California fire destroys mansions 2022-05-11T04:00:00Z It then made plutonium that fueled the Fat Man atomic bomb dropped on Nagasaki, Japan, in August 1945, that led to the end of Word War II. Public tours resume at historic Central WA nuclear reactor, where the atomic age began 2022-05-23T04:00:00Z Since the uranium or plutonium nucleus fissions into several fission fragments whose mass distribution covers a wide range of pieces, would you expect more residual radioactivity from fission than fusion? College Physics for AP Courses 2015-08-12T00:00:00Z Although they have not been prepared in the same quantity as plutonium, many other synthetic nuclei have been produced. Chemistry 2019-02-14T00:00:00Z Even the plutonium will be largely undetectable after 100,000 years. Bogs, lakebeds, and sea floors compete to become Anthropocene’s ‘golden spike’ 2022-05-05T04:00:00Z But gun-type weapons use too much highly enriched uranium fuel, and the plutonium-based linear implosion bombs are complex and use too much plutonium. Analysis-N.Korea could ‘go small’ with tactical nukes if it resumes testing 2022-04-22T04:00:00Z The Hanford site produced nearly two-thirds of the plutonium for the nation’s nuclear weapons program from World War II through the Cold War. Public tours resume at historic Central WA nuclear reactor, where the atomic age began 2022-05-23T04:00:00Z How many coulombs of positive charge are there in 4.00 kg of plutonium, given its atomic mass is 244 and that each plutonium atom has 94 protons? College Physics for AP Courses 2015-08-12T00:00:00Z The energy produced by a reactor fueled with enriched uranium results from the fission of uranium as well as from the fission of plutonium produced as the reactor operates. Chemistry 2019-02-14T00:00:00Z And while a fission weapon uses radioactive elements like uranium and plutonium, the particles in a fusion process are hydrogen molecules. Lost Women of Science Podcast, Season 2, Episode 4: Netherworld 2022-04-21T04:00:00Z One of the sites where the plutonium cores will be manufactured is Los Alamos National Laboratory, the birthplace of the atomic bomb. US nuclear agency opens massive office complex in New Mexico 2022-04-19T04:00:00Z The waste — remnants of decades of nuclear research and bomb making — typically consists of lab coats, gloves, tools and debris contaminated with plutonium and other radioactive elements. Discovery of radioactive liquid pauses work at US nuke dump 2022-04-11T04:00:00Z The four reactors at Chernobyl, including the one that was destroyed, were built to breed plutonium and produce electricity. College Physics for AP Courses 2015-08-12T00:00:00Z Spent fuel rods contain a variety of products, consisting of unstable nuclei ranging in atomic number from 25 to 60, some transuranium elements, including plutonium and americium, and unreacted uranium isotopes. Chemistry 2019-02-14T00:00:00Z For Rongelap, further research is needed to understand the large amount of background gamma radiation on one of the northern islands, called Naen, as well as the presence of plutonium isotopes in the soil. The U.S. Must Take Responsibility for Nuclear Fallout in the Marshall Islands 2022-04-04T04:00:00Z The 580-square-mile Hanford site was used from World War II through the Cold War to produce 67 tons of plutonium for the nation’s nuclear weapons program. Biden administration proposes budget cut for cleanup of radioactive and hazardous waste at Hanford 2022-04-01T04:00:00Z Pyongyang also is expanding uranium enrichment and continuing plutonium production for its weapons. DNI: China engaged in largest nuclear buildup in history, preparing ground to take Taiwan 2022-03-08T05:00:00Z The superior fissionability of plutonium has made it the universal bomb material. College Physics for AP Courses 2015-08-12T00:00:00Z Why is this plutonium not likely to have been trapped at the time the solar system formed 4.7 109 years ago? Chemistry 2019-02-14T00:00:00Z But, beyond plutonium and uranium, what other radioisotopes are at play here? The U.S. Must Take Responsibility for Nuclear Fallout in the Marshall Islands 2022-04-04T04:00:00Z In August, the International Atomic Energy Agency said the North was appearing to re-start its Yongbyon nuclear reactor, raising concerns that plutonium for nuclear weapons was being produced at the reactor's complex. North Korea: Construction spotted at Punggye-ri nuclear test site 2022-03-07T05:00:00Z Further combat at Zaporizhzhia could pose an additional danger involving the site’s spent fuel rods, which contain up to roughly 30 tons of plutonium, according to an estimate by Mr. Albright and two colleagues. Combat at Ukraine Nuclear Plant Adds Radioactive Dangers to Russian Invasion 2022-03-04T05:00:00Z Owing to its complexity, the plutonium bomb needed to be tested before there could be any attempt to use it. College Physics for AP Courses 2015-08-12T00:00:00Z "North Korea's plutonium production capacity could increase substantially," it concluded. S.Korea's next president to face a N.Korea forging ahead in nuclear, missile production 2022-03-04T05:00:00Z The radioactive strontium, caesium and plutonium mainly affected Ukraine and neighboring Belarus, as well as parts of Russia and Europe. Explainer: Why Russia and Ukraine are fighting for Chernobyl disaster site 2022-02-25T05:00:00Z Perseverance, powered by the heat from a hunk of plutonium, can drive day after day after day. On Mars, a NASA Rover and Helicopter’s Year of Surprise and Discovery 2022-02-15T05:00:00Z While plutonium from reactors is not considered high-grade weapon fuel, the United States during the Cold War conducted studies and tests that showed it was usable. Combat at Ukraine Nuclear Plant Adds Radioactive Dangers to Russian Invasion 2022-03-04T05:00:00Z The second was a plutonium bomb dropped on Nagasaki only three days later, on August 9. College Physics for AP Courses 2015-08-12T00:00:00Z Under the 2015 agreement, the United States and other nations granted Iran relief from economic sanctions in exchange for curtailing uranium enrichment and plutonium production. News at a glance: Iran’s nuclear research, monkey flights, and an accused professor reinstated 2022-02-09T05:00:00Z RTGs merely convert the heat released from naturally decaying plutonium into electricity. NASA’s ‘Nuclear Option’ May Be Crucial for Getting Humans to Mars 2022-01-27T05:00:00Z In Washington, the waste is stored at the Hanford Nuclear Reservation, a decommissioned nuclear site in the south-central part of the state that produced plutonium for nuclear bombs. U.S. affirms new interpretation for high-level nuclear waste 2021-12-29T05:00:00Z The Russians, too, have extracted bomb material from reactor plutonium throughout the nuclear age, and experts say they fear that the Ukrainians could in theory learn the dark art one day. Combat at Ukraine Nuclear Plant Adds Radioactive Dangers to Russian Invasion 2022-03-04T05:00:00Z Confirm that each of the reactions listed for plutonium breeding just following Example 32.4 conserves the total number of nucleons, the total charge, and electron family number. College Physics for AP Courses 2015-08-12T00:00:00Z Most recently, the lab helped power NASA’s Mars rover Perseverance with a radioisotope power system, which converts heat generated by the natural decay of plutonium-238 into electrical power. NASA seeks ideas for a nuclear reactor on the moon 2021-11-19T05:00:00Z The Hanford nuclear reservation, adjoining the Tri-Cities in Eastern Washington, produced plutonium for the nation’s nuclear weapons program from World War II through the Cold War. Nearly 300 workers at Hanford nuclear reservation sue to stop COVID vaccine mandate and save their jobs 2021-11-19T05:00:00Z Can this process be converted into weapons-grade plutonium? Nuclear power: Serious questions 2021-11-18T05:00:00Z The main nuclear fuels are uranium and plutonium. How much nuclear power does the UK use and is it safe? 2021-11-09T05:00:00Z Calculate the energy produced in each of the reactions listed for plutonium breeding just following Example 32.4. College Physics for AP Courses 2015-08-12T00:00:00Z The federal government built nine nuclear reactors at Hanford to make plutonium for atomic bombs during World War II and the Cold War. US government works to ‘cocoon’ old nuclear reactors 2021-11-06T04:00:00Z Fusion has advantages over fission as the fuel is derived from water, not radioactive uranium or plutonium and doesn’t generate long-term radioactive waste. U.S. zero-carbon fusion energy startup Helion raises $500 mln 2021-11-05T04:00:00Z At several sites during the Soviet era, engineers connected a type of reactor used to create plutonium for bombs to nearby homes for heating. A Nuclear-Powered Shower? Russia Tests a Climate Innovation. 2021-11-05T04:00:00Z Fusion has advantages over fission - used in today's nuclear reactors to break apart atoms - including that the fuel is derived from water, not radioactive uranium or plutonium. Explainer: High-tech climate solutions that could cut emissions in the long term 2021-10-28T04:00:00Z Calculate the number of fissions and the approximate mass of uranium and plutonium fissioned, taking the average atomic mass to be 238. College Physics for AP Courses 2015-08-12T00:00:00Z The biggest expense is dealing with a massive volume of liquid wastes left over from the production of plutonium, a key ingredient in nuclear weapons. US government works to ‘cocoon’ old nuclear reactors 2021-11-06T04:00:00Z Japan will continue its nuclear fuel reprocessing cycle, in which spent nuclear fuel is converted to plutonium, despite the failure of its Monju plutonium-burning reactor and international concerns over safeguards for its plutonium stockpile. Japan OKs plan to push clean energy, nuclear to cut carbon 2021-10-21T04:00:00Z Nuclear reprocessing is the chemical separation of products from spent nuclear fuel, which generates reusable uranium and plutonium that can be used in power plants and nuclear weapon projects. Greenpeace protests against France's uranium exports to Russia 2021-10-12T04:00:00Z Last month, the UN atomic agency said North Korea appeared to have restarted a reactor which could produce plutonium for nuclear weapons, calling it a "deeply troubling" development. North Korea: Kim Jong-un vows to build 'invincible military' 2021-10-12T04:00:00Z The energy emitted in the plutonium decay is 8.40×10 – 13 J and is entirely converted to kinetic energy of the helium and uranium nuclei. College Physics for AP Courses 2015-08-12T00:00:00Z While the liquid wastes stored in 177 underground tanks will take decades of work and hundreds of billions of dollars to clean, efforts to secure the nine plutonium reactors are much closer to completion. US government works to ‘cocoon’ old nuclear reactors 2021-11-06T04:00:00Z Strategic Command, Navy Admiral Charles Richard, has warned lawmakers thisyear that a new generation of nuclear power plants China is developing could produce large amounts of plutonium that could be used to make nuclear weapons. U.S. suspends authority to ship nuclear materials to China's CGN 2021-10-05T04:00:00Z And last month the UN atomic agency said North Korea appeared to have restarted a reactor which could produce plutonium for nuclear weapons, calling it a "deeply troubling" development. North Korea says it test-fired new anti-aircraft missile 2021-09-30T04:00:00Z Going even further, the Biden administration should set a new course for the Department of Energy, which manages the former plutonium factory on the banks of the Columbia River. Make Department of Energy accountable to Hanford workers 2021-09-22T04:00:00Z Last month, earlier satellite photos of Yongbyon showed signs that North Korea was resuming the operation of other facilities to produce weapons-grade plutonium. Photos show North Korea expanding uranium enrichment plant 2021-09-18T04:00:00Z The government also operated five plutonium production reactors at the Savannah River Site in South Carolina during the Cold War. US government works to ‘cocoon’ old nuclear reactors 2021-11-06T04:00:00Z He opposes Japan’s insistence on nuclear fuel cycles that involve spent fuel reprocessing — the main cause of Japan’s plutonium stockpile. China, pandemic, energy top Japan’s leadership race debate 2021-09-18T04:00:00Z Nuclear weapons can be built using either highly enriched uranium or plutonium, and North Korea has facilities to produce both at Yongbyon. Photos show North Korea expanding uranium enrichment plant 2021-09-17T04:00:00Z Satellite photos also show signs North Korea has restarted operations at its main factory for producing weapons-grade plutonium, a key ingredient used to make nuclear weapons. EXPLAINER: Kim’s launches show push to boost nuke arsenal 2021-09-16T04:00:00Z As the director-general of the International Atomic Energy Agency recently assessed, Pyongyang has also resumed operations at the gas-graphite reactor at the Yongbyon complex, implying the resumed production of plutonium for use in nuclear weapons. Why North Korea's cruise missile launch could worry other nations 2021-09-16T04:00:00Z But the United Nations’ nuclear watchdog said last month that the country appears to have restarted a reactor in its main nuclear complex that helps produce plutonium for nuclear warheads. North Korea Forgoes the Usual Muscle-Flexing in a Military Parade 2021-09-09T04:00:00Z Last month the UN atomic agency said that the country appeared to have restarted a reactor which could produce plutonium for nuclear weapons, calling it a "deeply troubling" development. North Korea: Military parade features hazmat suits, gas masks 2021-09-09T04:00:00Z Last month, earlier satellite photos on Yongbyon showed signs that North Korea was resuming the operation of other facilities to produce weapons-grade plutonium. Photos show North Korea expanding uranium enrichment plant 2021-09-17T04:00:00Z North Korea appears to be processing plutonium again after a 5-year hiatus. News at a glance: An AIDS vaccine trial failure, Afghan escape, and rebuke for anthropologists 2021-09-01T04:00:00Z The report also suggested that North Korea had renewed efforts to extract plutonium from spent fuel removed earlier at the sprawling complex, in Yongbyon, north of Pyongyang, the capital. North Korea Restarted Plutonium-Producing Reactor, U.N. Agency Warns 2021-08-30T04:00:00Z The reactor produces plutonium, one of the two key ingredients used to build nuclear weapons along with highly enriched uranium. IAEA: N Korea appears to have resumed nuke reactor operation 2021-08-29T04:00:00Z The 5-megawatt reactor at the site has been the main source of weapons-grade plutonium for Pyongyang - though many analysts have pointed out that the facilities there are aging. Yongbyon: UN says North Korea appears to restart nuclear reactor 2021-08-29T04:00:00Z Eventually, the War Department distributed a handful of his reports on such narrow topics as purifying uranium fuel for the Hiroshima bomb and making plutonium fuel for the Nagasaki bomb. How a Star Times Reporter Got Paid by Government Agencies He Covered 2021-08-09T04:00:00Z It was in the main bedroom of the ranch house that the youngsters who would become the physics elders of Dr. Turner’s generation gingerly finished assembling the Gadget, inserting the plutonium core. Touring Trinity, the Birthplace of Nuclear Dread 2021-08-03T04:00:00Z The watchdog also reported that North Korea may have used a laboratory at Yongbyon for five months, from mid-February to early July, to extract plutonium from nuclear waste removed from the reactor. North Korea Restarted Plutonium-Producing Reactor, U.N. Agency Warns 2021-08-30T04:00:00Z When the two recent supernovae went off, their expanding remnants may have swept up and delivered some of that interstellar plutonium-244 along with their own iron-60, she speculates. Exploding stars may have assaulted ancient Earth 2021-07-15T04:00:00Z The reactor is believed to produce plutonium for nuclear weapons. Yongbyon: UN says North Korea appears to restart nuclear reactor 2021-08-29T04:00:00Z The waste was unrelated to shipments of weapons-grade plutonium the Energy Department secretly trucked to the same site in 2018. US to pay Nevada $65K in settlement over radioactive waste 2021-07-09T04:00:00Z If the bomb fizzled, the Jumbo would corral the $250 million worth of plutonium that was the explosive core of the device. Touring Trinity, the Birthplace of Nuclear Dread 2021-08-03T04:00:00Z The activities were consistent with the North’s previous campaigns to produce plutonium from the waste, it said, calling the activities “deeply troubling.” North Korea Restarted Plutonium-Producing Reactor, U.N. Agency Warns 2021-08-30T04:00:00Z But its source is hotly debated: Some researchers think plutonium-244 is tough for supernovae to make in any great amounts. Exploding stars may have assaulted ancient Earth 2021-07-15T04:00:00Z Hanford for decades made plutonium for nuclear weapons, and thousands of workers are now tasked with cleaning up the nation’s largest volume of radioactive wastes. Report: More than 57% of Hanford workers were exposed to hazardous material 2021-07-08T04:00:00Z Tom Clements of Savannah River Site Watch said the South Carolina location was picked for political reasons following the failure of a facility designed to convert weapons-grade plutonium into commercial nuclear fuel. Groups sue Biden admin over planned expansion of nuke work 2021-06-29T04:00:00Z The bomb would use explosives to squeeze a softball-size lump of plutonium to critical density, ideally resulting in a soul-rattling explosion. Touring Trinity, the Birthplace of Nuclear Dread 2021-08-03T04:00:00Z As a first step, he offered to dismantle the facilities at Yongbyon, where the regime enriches uranium and produces plutonium from spent fuel unloaded from a five-megawatt reactor. North Korea Restarted Plutonium-Producing Reactor, U.N. Agency Warns 2021-08-30T04:00:00Z Korschinek, however, says it will take more data on the plutonium signal and its timing to convince him that multiple rare events happened so near and so recently. Exploding stars may have assaulted ancient Earth 2021-07-15T04:00:00Z The incident triggered the release of plutonium from hydrogen bomb detonators. Bills touted by Jon Stewart may help millions of veterans get care for toxic exposure 2021-05-26T04:00:00Z As a proof of principle, Cederwall and colleagues focused on detection of californium-252, a readily available radioisotope widely used as a proxy for weapons-grade plutonium. New type of imager could help spot smuggled nuclear materials 2021-05-19T04:00:00Z Fat Man, a plutonium bomb of the kind tested at Trinity, was used on Nagasaki on Aug. 9, and the end of World War II soon followed. Touring Trinity, the Birthplace of Nuclear Dread 2021-08-03T04:00:00Z For Perseverance and Curiosity, nuclear batteries turn heat released by the decay of radioactive plutonium into electricity. China’s Mars Rover Mission Lands on the Red Planet 2021-05-14T04:00:00Z The key question now, some analysts say, is how to best prevent Iran from acquiring weapons-grade uranium or plutonium. Stolen records show Iran overcoming key hurdles in 2003 quest for a nuclear bomb, book says 2021-05-14T04:00:00Z Several groups found single atoms of plutonium-244 in deep ocean deposits but not enough to draw conclusions. Trace seabed plutonium points to stellar forges of heavy elements 2021-05-13T04:00:00Z But Dragonfly is a mammoth compared to Ingenuity, weighing nearly half a metric ton and powered by plutonium. First in Flight: NASA Just Proved Flying on Mars Is Possible--Next Up Is the Solar System 2021-05-08T04:00:00Z The largest of the three underground structures, which operated from 1955 to 1962, was estimated to be contaminated with 105 pounds of plutonium. Nuclear waste structures at Hanford are stabilized, says U.S. Energy Department 2021-04-20T04:00:00Z Sellafield, the largest nuclear site in Western Europe, reprocesses spent nuclear fuel, splitting it into plutonium, uranium and waste. Sellafield nuclear site a 'toxic mix of bullying and harassment' 2021-03-09T05:00:00Z The laboratory is a facility where plutonium is extracted by reprocessing spent fuel rods removed from reactors. New photos: North Korea may be trying to extract plutonium 2021-03-03T05:00:00Z To make even heavier elements, such as copper, gold, platinum, and plutonium, requires more extreme conditions, which astrophysicists have long thought only existed in the cataclysmic explosions of supernovae. Trace seabed plutonium points to stellar forges of heavy elements 2021-05-13T04:00:00Z Titan’s major challenge is its temperature, which averages only about –180 degrees Celsius—hence the need for a long-lived, heat-generating plutonium power source. First in Flight: NASA Just Proved Flying on Mars Is Possible--Next Up Is the Solar System 2021-05-08T04:00:00Z North Korea uses both uranium and plutonium for nuclear weapons, but the latter allows for smaller, lighter bombs. Pentagon concerned by U.N. report indicating possible North Korea nuclear reprocessing 2021-03-02T05:00:00Z More than 140 tonnes of plutonium are stored in giant hangers, the biggest civil stockpile of the metal in the world. Sellafield nuclear site a 'toxic mix of bullying and harassment' 2021-03-09T05:00:00Z The facility is already home to decades-old underground laboratories that reprocess the reactor’s spent rods to obtain weapons-grade plutonium for Israel’s nuclear bomb program. Secretive Israeli nuclear facility undergoes major project 2021-02-24T05:00:00Z The mission of producing the plutonium cores began at Rocky Flats in the 1950s and was eventually moved to Los Alamos in the late 1990s. Groups ask Biden administration to reconsider nuke decision 2021-02-17T05:00:00Z Most of the ions passed through the target, but over the course of a few weeks, a few collided with a plutonium nucleus and fused into flerovium. Hopes evaporate for the superheavy element flerovium having a long life 2021-02-12T05:00:00Z Watchdog groups say the federal government needs to take note of the latest findings and conduct a comprehensive review before the lab ramps up production of key plutonium parts used in the nation’s nuclear arsenal. Audit raises concerns about wildfire risks at US nuclear lab 2021-02-10T05:00:00Z In an incident from December 2017, a worker was exposed to plutonium after a bag of nuclear waste was opened in a workshop used to repair contaminated machinery. Sellafield nuclear site a 'toxic mix of bullying and harassment' 2021-03-09T05:00:00Z But about 180 feet below our shoes, gently radiating away with a half-life of 24,000 years, lies the plutonium core of the bomb’s secondary stage. Remembering the night two atomic bombs fell—on North Carolina 2021-01-22T05:00:00Z “NNSA’s approach to plutonium pit production will be included in this review process,” she said. Groups ask Biden administration to reconsider nuke decision 2021-02-17T05:00:00Z Twenty-six years later, in 2007, it did the same to Syria in Operation Outside the Box, destroying a secret plutonium reactor in the desert near Deir al-Zour just before it was activated. Why Iran’s nuclear facilities are still vulnerable to attack 2021-01-18T05:00:00Z The 2015 deal specifically prohibits “conducting R&D on plutonium or uranium metallurgy”. Iran says research on uranium matal-based fuel has started - Twitter 2021-01-13T05:00:00Z The so-called vitrification plant is a key component in cleaning up the legacy of wastes left at the Hanford Nuclear Reservation from decades of making plutonium for nuclear weapons. Major construction done at Hanford waste treatment plant 2021-01-06T05:00:00Z The recently announced project site was once part of the Hanford property where plutonium for atomic bombs was produced, officials said. New solar project to power 11K homes in Washington state 2020-12-01T05:00:00Z The project site was once part of the federal Hanford property where plutonium for atomic bombs was produced. New solar project planned for 300 acres near Richland 2020-11-30T05:00:00Z The report says the plutonium 239 at the Perma-Fix plant — about a mile from a child care center — poses a special risk because, if inhaled in small quantities, it can lead to cancer. New watchdog report documents fires, violations at company treating Hanford wastes 2020-11-25T05:00:00Z One plutonium production area, the Jiuquan Atomic Energy Complex, doubled in size at a nuclear reprocessing zone in the past two years alone and added another reactor in the past year. EXCLUSIVE: China’s ‘secretive, crash’ nuclear buildup revealed 2020-11-12T05:00:00Z With less than 20 lbs. of donated, stolen or manufactured highly enriched uranium, or a plutonium device, even primitive Libya under Gen. Muammar Gaddafi’s rule was close to going nuclear. 10 years until Armageddon: The nuclear threat grows 2020-10-29T04:00:00Z Over a period of 75 years, the Santa Susana Field Lab hosted what the Natural Resources Defense Council says were “hundreds of nuclear and rocket testing buildings and structures,” emitting radioactive isotopes including plutonium-239. Column: Yes, Santa Susana is a 'landmark' — as a unique environmental disaster 2020-10-27T04:00:00Z But critics say continuation of spent fuel reprocessing only adds to Japan’s already large plutonium stockpile. Japan sticks to nuke fuel cycle despite plutonium stockpile 2020-10-21T04:00:00Z Japan is in a dire situation following the virtual failure of an ambitious nuclear fuel recycling plan, in which plutonium extracted from spent fuel was to be used in still-unbuilt fast breeder reactors. 2 remote Japan towns seek to host nuclear waste storage site 2020-10-09T04:00:00Z The federal government agreed to the settlement in August after missing years of deadlines to remove plutonium from the Savannah River Site near Aiken. Judge stops SC law firms from spending $75M payment 2020-10-02T04:00:00Z A teen and his girlfriend make an atomic bomb with plutonium stolen from a scientist dating his mother. Movies on TV this week: 'The Shining'; 'Gandhi' and more 2020-10-02T04:00:00Z Hanford was born of secrecy in World War II to produce plutonium for atomic weapons, including the bomb dropped on Nagasaki, Japan. Whistleblower claims result in nearly $58 million settlement with Hanford contractors 2020-09-22T04:00:00Z He also voiced concerns about the proposed federal budget request for cleanup work at Los Alamos, noting that more money is being funneled toward the production of plutonium cores used for the nuclear arsenal. New Mexico frustrated with slow cleanup of radioactive waste 2020-09-09T04:00:00Z It says that creates potential for the government to send high-level and commercial waste to the site, along with new radioactive waste that will be generated by manufacturing plutonium cores for the nation’s nuclear arsenal. Groups raise concerns about new shaft at US nuclear dump 2020-09-04T04:00:00Z Watchdog groups are concerned about Tuesday’s announcement, saying the plutonium pit production work will amount to a vast expansion of the lab’s nuclear mission and that more analysis should be done. US officials: No new environmental study for nuclear lab 2020-09-02T04:00:00Z The state will waive its right to bring any more lawsuits over the plutonium until 2037. U.S. agrees to pay South Carolina $600 million and dispose of plutonium 2020-08-31T04:00:00Z For more than 40 years, it produced most of the plutonium for the nation’s nuclear arsenal. Whistleblower claims result in nearly $58 million settlement with Hanford contractors 2020-09-22T04:00:00Z The plant was part of a nonproliferation agreement with Russia, under which each country was to turn 34 metric tons of plutonium – enough to arm 17,000 warheads – into fuel for commercial nuclear reactors. Feds to pay South Carolina $600M in plutonium removal deal 2020-08-31T04:00:00Z As the plutonium decays over time, it generates heat, which is then converted into electricity. NASA’s life-hunting Mars rover is officially on its way to the Red Planet 2020-07-30T04:00:00Z Lab officials last year detailed plans for $13 billion worth of construction projects over the next decade at the northern New Mexico complex as it prepares for plutonium pit production. US officials: No new environmental study for nuclear lab 2020-09-02T04:00:00Z “Today’s announcement is a guarantee to the people of South Carolina that plutonium will be removed safely from this state,” said U.S. U.S. agrees to pay South Carolina $600 million and dispose of plutonium 2020-08-31T04:00:00Z The plutonium will decay, emitting heat that a generator converts into energy to power all of the rover’s instruments, plus producing enough heat to protect the spacecraft from the freezing nights and winters on Mars. Why NASA’s Perseverance Mars Rover Uses Nuclear Energy 2020-07-29T04:00:00Z “When you talk about enhancing plutonium pit production and defense spending in the trillions, you can’t tell us there’s not enough money to do this,” she told The Associated Press. Groups push to remove proposed funding for nuclear testing 2020-07-24T04:00:00Z For decades, plutonium-238 was running low in supply, as the US stopped producing the material more than 30 years ago. NASA’s life-hunting Mars rover is officially on its way to the Red Planet 2020-07-30T04:00:00Z About $3 billion of that would be spent on improvements to existing plutonium facilities for the pit work, the Albuquerque Journal reported. US officials: No new environmental study for nuclear lab 2020-09-02T04:00:00Z The department said 9.5 metric tons of plutonium will be removed from the Savannah River site. U.S. agrees to pay South Carolina $600 million and dispose of plutonium 2020-08-31T04:00:00Z The plutonium began as a different element entirely, neptunium, which scientists irradiated with neutrons in a nuclear reactor for nearly two months to convert it to the plutonium form needed for the MMRTG. Why NASA’s Perseverance Mars Rover Uses Nuclear Energy 2020-07-29T04:00:00Z “We are investing in the capability to produce plutonium pits to support our stockpile needs and to improve the infrastructure of the weapons ecosystem.” Nuclear weapons testing hot topic 75 years after test 2020-07-18T04:00:00Z Los Alamos is preparing to resume production of the plutonium cores that serve as triggers for the nation’s nuclear arsenal. Anniversary of world’s 1st atomic test fuels nuclear debate 2020-07-16T04:00:00Z Most of the work at Los Alamos was devoted to creating a design for a plutonium bomb. Column: 75 years ago today, the Trinity A-Bomb test ushered in the era of nuclear warfare 2020-07-16T04:00:00Z A group of engineers and physicists was about to detonate an atomic device packed with 13 pounds of plutonium, a nuclear weapon that the government hoped would bring an end to World War II. ‘Now I Am Become Death’: The Legacy of the First Nuclear Bomb Test 2020-07-15T04:00:00Z Most importantly, each pellet of plutonium is encased in iridium, which would contain the radioactive material if it fell back to Earth. Why NASA’s Perseverance Mars Rover Uses Nuclear Energy 2020-07-29T04:00:00Z It’s been nearly a decade since the last plutonium cores were made at Los Alamos National Laboratory in northern New Mexico for Navy submarine missiles. Atomic anniversary brings US nuclear official to New Mexico 2020-07-15T04:00:00Z Some lawmakers are concerned that the nuclear agency hasn’t developed a master schedule that outlines all the activities related to plutonium pit production. Atomic anniversary brings US nuclear official to New Mexico 2020-07-15T04:00:00Z Officials at one of the nation’s premier nuclear labs are investigating the potential exposure of employees to plutonium. Family members of victims request delay in inmate’s execution, citing virus fears 2020-07-07T04:00:00Z Los Alamos is preparing to resume and ramp up production of the plutonium cores used to trigger nuclear weapons. US nuclear lab investigates breach at plutonium facility 2020-07-07T04:00:00Z But these plutonium units are a respected power source for spacecraft—NASA’s Curiosity rover runs on a similar device. Why NASA’s Perseverance Mars Rover Uses Nuclear Energy 2020-07-29T04:00:00Z They’re also asking for state regulators to review a decision by the Energy Department and the National Nuclear Security Administration to increase the amount of plutonium allowed at the proposed nuclear complex. Groups call for meetings as US lab preps for weapons work 2020-07-02T04:00:00Z The waste site, known alternatively as the Tomb, holds more than 3.1 million cubic feet — or 35 Olympic-size swimming pools — of U.S.-produced radioactive soil and debris, including lethal amounts of plutonium. U.S. says leaking nuclear waste dome is safe; Marshall Islands leaders don't believe it 2020-07-01T04:00:00Z One instrument now being prepared for the Nevada complex costs $800 million; it would test the behavior of plutonium. A New Superpower Competition Between Beijing and Washington: China’s Nuclear Buildup 2020-06-30T04:00:00Z To meet a mandate set by the federal government to replace the nuclear stockpile’s aging plutonium cores, the work is being shared by Los Alamos and the Savannah River Site in South Carolina. US nuclear lab investigates breach at plutonium facility 2020-07-07T04:00:00Z Unlike Curiosity’s plutonium, some of that aboard Perseverance is relatively fresh and U.S.-made. Why NASA’s Perseverance Mars Rover Uses Nuclear Energy 2020-07-29T04:00:00Z The New Mexico Environment Department submitted comments in May to the federal government regarding expanded production of the plutonium triggers. Groups call for meetings as US lab preps for weapons work 2020-07-02T04:00:00Z Energy Department over the secret shipment of weapons grade plutonium to a site near Las Vegas. Nevada, Energy Department settle fight over secret plutonium 2020-06-26T04:00:00Z But the statement released by Sisolak and Ford said the Energy Department will begin removing the plutonium next year and complete removal no later than Dec. 31, 2026. Nevada, Energy Department settle fight over secret plutonium 2020-06-26T04:00:00Z Consider another detour to the Hanford Reach National Monument, where plutonium reactors remain that once fueled the atomic bomb dropped on Nagasaki, Japan. Sunny Pacific Northwest road trips to take while maintaining coronavirus-mandated social distancing 2020-06-26T04:00:00Z Glyphosate escaped a stronger classification — “carcinogenic to humans” — that includes bacon, red wine, sun exposure, tobacco and plutonium. Roundup maker to pay $10 billion to settle cancer suits 2020-06-24T04:00:00Z The explosive, when detonated, would compress the warhead’s plutonium pit to set off a nuclear fission explosion, which in turn would trigger an even more powerful fusion explosion. Lawsuit alleges scientific misconduct at U.S. nuclear weapons lab 2020-06-24T04:00:00Z But the statement released by Sisolak and Ford said the Energy Department will begin removing the plutonium next year and complete removal no later than Dec. 31, 2026. Nevada, Energy Department settle fight over secret plutonium 2020-06-26T04:00:00Z Energy Department over the secret shipment of weapons grade plutonium to a site near Las Vegas. Nevada, Energy Department settle fight over secret plutonium 2020-06-26T04:00:00Z The deal mandated a redesign of the Arak reactor to sharply curtail generation of plutonium. New tensions dim hopes for salvaging Iran nuclear deal 2020-06-17T04:00:00Z Iran was also required to redesign a heavy-water reactor being built, whose spent fuel would contain plutonium suitable for a bomb, and to allow international inspections. Iran blocking sites access - UN nuclear watchdog 2020-06-05T04:00:00Z As originally designed, the reactor would burn natural uranium, which would generate enough plutonium in its spent fuel to produce one or two bombs per year. U.S. move imperils effort to reduce weapons risk from Iranian reactor 2020-05-29T04:00:00Z Texas would compete with Florida for uranium, while New Jersey and Ohio bid up plutonium prices. Opinion | If Trump ran the Manhattan Project, we’d all be speaking Japanese 2020-05-06T04:00:00Z “The plutonium pit production mission is one of our highest national security priorities and is being done in accordance with congressional direction,” she wrote. Official: US must move ahead with nuclear weapons work 2020-05-06T04:00:00Z The site was also relied on heavily during the cold war, ultimately becoming the country’s main supplier of plutonium for its nuclear weapons. A nuclear waste site where the biggest fear isn’t radiation, but coronavirus 2020-05-04T04:00:00Z As head of the Defense Innovation Board, Mr. Schmidt began touring military bases, aircraft carriers and plutonium strongholds. ‘I Could Solve Most of Your Problems’: Eric Schmidt’s Pentagon Offensive 2020-05-02T04:00:00Z “They didn’t want to see a plutonium reactor in their backyard,” says Richard Johnson, senior director for fuel cycle and verification at the nonprofit Nuclear Threat Initiative. U.S. move imperils effort to reduce weapons risk from Iranian reactor 2020-05-29T04:00:00Z Such a big presence would be needed to secure and remove WMD any materials with "enough fissionable plutonium and uranium by build up to 75 weapons by 2020," the report said. What is OPLAN 5029? The 'Mission Impossible'-style plan in place to secure North Korea's nukes 2020-05-02T04:00:00Z The review also determined that current security measures at the Waste Isolation Pilot Plant may not be enough for the diluted plutonium. Scientists examine hurdles to US plutonium disposal plan 2020-04-30T04:00:00Z Beginning in the 1940s, the Hanford site produced plutonium for nuclear weapons, including the bomb that was dropped on Nagasaki at the end of the second world war. A nuclear waste site where the biggest fear isn’t radiation, but coronavirus 2020-05-04T04:00:00Z Hanford was established during the Manhattan Project in World War II. The site made the plutonium for the atomic bomb dropped on Nagasaki, Japan. Most Hanford employees work from home due to virus 2020-04-07T04:00:00Z In the end, Iran agreed to convert Arak to run on low-enriched fuel, which would produce only traces of plutonium. U.S. move imperils effort to reduce weapons risk from Iranian reactor 2020-05-29T04:00:00Z The proposal provides nearly $27 billion, most of which would go toward nuclear security work that includes restarting production of the plutonium cores that are used as triggers inside nuclear weapons. Cleanup of US nuclear waste takes back seat as virus spreads 2020-04-03T04:00:00Z The universe’s heavy elements, such as gold, platinum and plutonium, form when neutrons bombard existing atoms. Scientists Trace Neutron Star Crash That Helped Form Our Solar System 2020-03-27T04:00:00Z Salvagers seeking cash and a madman seeking plutonium are trapped with survivors in an upside-down ocean liner. Movies on TV this week: March 8 - 14: 'All the Presidents Men' 2020-03-06T05:00:00Z State officials said in August that a soil test found plutonium levels five times higher than the cleanup standard, but a second test found much lower levels. Colorado highway project faces setback after plutonium found 2020-02-26T05:00:00Z Industrial equipment used to process plutonium was stowed away in underground tunnels held up by wooden timbers. Parts of Hanford nuclear waste site have not been inspected in 50 years, government auditors say 2020-02-21T05:00:00Z The giant nuclear site made the plutonium for the atomic bomb dropped on Nagasaki, Japan, at the end of the the war. Report: Feds need to do more to prevent failures at Hanford 2020-02-21T05:00:00Z Either way, New Horizons will continue to sail through the Kuiper belt and beyond, with its steadily decaying plutonium fuel expected to keep communication open until the 2030s. 'Not just a space potato': Nasa unveils 'astonishing' details of most distant object ever visited 2020-02-13T05:00:00Z They were not armed, so there was no nuclear detonation, but the conventional explosives in two of the bombs blew up on impact, scattering pulverized plutonium over a patchwork of farm fields and stucco houses. For Many Who Cleaned Up a Nuclear Mess, a Key Ruling Comes Too Late 2020-02-12T05:00:00Z The center of the site, where the plutonium is handled, is closed to the public. Colorado highway project faces setback after plutonium found 2020-02-26T05:00:00Z Some of those areas, including processing facilities known as “canyons” where plutonium was extracted from uranium fuel rods, haven’t been entered or inspected in more than 50 years, the office wrote. Parts of Hanford nuclear waste site have not been inspected in 50 years, government auditors say 2020-02-21T05:00:00Z The deal reduced Iran’s ability to produce two components used in making nuclear weapons: plutonium and uranium, in exchange for the U.S. easing economic sanctions. US sanctions against Iran: A timeline 2020-02-06T05:00:00Z Decades of demolition preparations included decontaminating and removing about 200 pieces of plutonium processing equipment, 1.5 miles of ventilation piping, asbestos and other hazards. Feds: Hanford’s Plutonium Finishing Plant is demolished 2020-02-05T05:00:00Z But inhaled plutonium dust can lodge in the lungs and steadily irradiate surrounding tissue, gradually inflicting damage that can cause cancer and other ailments, sometimes decades later. For Many Who Cleaned Up a Nuclear Mess, a Key Ruling Comes Too Late 2020-02-12T05:00:00Z But what if plutonium pits last longer than 100 years? An Unanswered Question at the Heart of America's Nuclear Arsenal 2020-01-28T05:00:00Z The early bombs relied on two kinds of metallic fuel, uranium and plutonium. Fourth Spy at Los Alamos Knew A-Bomb’s Inner Secrets 2020-01-27T05:00:00Z In the hours, days, and weeks after the explosion, radioactive elements including plutonium, iodine, strontium, and caesium contaminated a region of roughly 150,000 square kilometers in Belarus, Russia, and Ukraine. What Is Chernobyl Like Today? 2020-01-23T05:00:00Z Energy Department, Los Alamos National Laboratory and its contractors move forward with plutonium core production, they have a responsibility to take precautions to protect employees, the community and the environment. Lawmakers assured review of nuclear weapons work to be open 2020-01-22T05:00:00Z There was so much plutonium floating around during the cleanup that it kept the Air Force from getting accurate contamination readings, and most of the collected data was discarded. For Many Who Cleaned Up a Nuclear Mess, a Key Ruling Comes Too Late 2020-02-12T05:00:00Z It says the plutonium was illegally trucked to the Nevada security site over the state’s objections last year after the agency refused to conduct the necessary environmental reviews on potential impacts. US says Nevada misrepresenting facts in plutonium fight 2020-01-14T05:00:00Z In contrast, the implosion bomb started with a ball of plutonium surrounded by a large sphere of conventional explosives. Fourth Spy at Los Alamos Knew A-Bomb’s Inner Secrets 2020-01-27T05:00:00Z A key component of every nuclear weapon, most of the plutonium cores in the stockpile were produced in the 1970s and 1980s, according to the nuclear agency. US plutonium production plan likely to spur legal challenge 2020-01-09T05:00:00Z It agreed to drastic cuts in its ability to produce enriched uranium and plutonium, which can be used to build a nuclear bomb. Devastating fires, Iran nuclear tensions and pirate papers 2020-01-07T05:00:00Z The Hanford site, established in 1943, produced plutonium for the nation’s nuclear weapons program until the end of the Cold War and is now one of the most contaminated in the nation. Washington state fines feds more than $1 million over Hanford cleanup documents 2020-01-06T05:00:00Z The 9th Circuit Court of Appeals last spring upheld a judge’s ruling that the question was moot because the plutonium already was in Nevada. US says Nevada misrepresenting facts in plutonium fight 2020-01-14T05:00:00Z The waves crushed inward with such gargantuan force that the dense ball of plutonium metal was compressed into a much denser state, triggering the atomic blast. Fourth Spy at Los Alamos Knew A-Bomb’s Inner Secrets 2020-01-27T05:00:00Z Iran was also required to redesign a heavy-water reactor being built, whose spent fuel would contain plutonium suitable for a bomb, and allow international inspections. Trump threatens sanctions if US troops exit Iraq 2020-01-06T05:00:00Z That would include the increased radioactive waste that would be created as part of a plan for the lab to ramp up production of plutonium pits, which are key components for the nation’s nuclear arsenal. National lab in New Mexico seeks new hazardous waste permit 2019-12-23T05:00:00Z Britain is helping Iran redesign the Arak reactor to limit the amount of plutonium it produces. Iran starts new operations at heavy water reactor 2019-12-23T05:00:00Z The government says in it’s latest filing on Friday one of Nevada’s biggest misrepresentations centers on the department’s plans for the future location and use of the plutonium in question. US says Nevada misrepresenting facts in plutonium fight 2020-01-14T05:00:00Z Slowly, nuclear experts say, bomb designers cut the plutonium fuel requirement from 14 pounds to about two pounds — a metal ball roughly the size of an orange. Fourth Spy at Los Alamos Knew A-Bomb’s Inner Secrets 2020-01-27T05:00:00Z Britain is helping Iran redesign the Arak reactor to limit the amount of plutonium it produces. Iran starts new operations at heavy water reactor 2019-12-23T05:00:00Z Nevada said the government’s legal arguments are “nearly as hazardous” to the nation as the plutonium that it sneaked into the state. Nevada accuses US government of ‘secret plutonium smuggling’ 2019-12-17T05:00:00Z “Superfund sites contain extremely hazardous substances — lead, mercury, plutonium, to name a few,” Ms. Blatt said. Supreme Court Considers Fight Over Superfund Site in Montana 2019-12-03T05:00:00Z The government says that outdated position referenced the risk posed by its original intention for the surplus plutonium to be diluted into radioactive waste before it was transported. US says Nevada misrepresenting facts in plutonium fight 2020-01-14T05:00:00Z “While we appreciate the Department of Energy’s new position that it will not ship additional plutonium here, a court order to this effect will hold the department accountable,” Ford said Monday in a statement. US asks federal judge to toss out Nevada plutonium lawsuit 2019-11-18T05:00:00Z Nevada is seeking a court order to force removal of the plutonium it trucked to Nevada over the state’s objections. Trump’s pick for energy boss answers Nevada’s nuke concerns 2019-11-14T05:00:00Z It says the department violated the National Environmental Policy Act by failing to complete the necessary reviews before shipping the plutonium. Nevada accuses US government of ‘secret plutonium smuggling’ 2019-12-17T05:00:00Z The biggest obstacle to building a nuclear weapon is obtaining enough fissile material — highly enriched uranium or plutonium — for the core of the bomb. Iran fuels centrifuges, resumes uranium enrichment at Fordow 2019-11-06T05:00:00Z By strange chance, one hit the US plant that provided plutonium for the bomb that devastated Nagasaki in 1945. From sci-fi reality to sound, jet stream to light speed: Books in brief 2019-11-05T05:00:00Z The Energy Department says it plans to eventually move the plutonium to the Waste Isolation Pilot Plant in New Mexico. US asks federal judge to toss out Nevada plutonium lawsuit 2019-11-18T05:00:00Z The two Voyager probes, powered by steadily decaying plutonium, are projected to drop below critical energy levels in the mid-2020s. Nasa's Voyager 2 sends back its first signal from interstellar space 2019-11-04T05:00:00Z Du said the matter was moot because the plutonium was already there. Nevada accuses US government of ‘secret plutonium smuggling’ 2019-12-17T05:00:00Z Energy Department as the state tries to force the agency to remove weapons-grade plutonium it secretly shipped to a site near Las Vegas. Judge allows Nevada to amend suit over removal of plutonium 2019-10-21T04:00:00Z Energy Department to try to show why the government should be forced to remove weapons-grade plutonium it secretly shipped to a site near Las Vegas last year over the state’s objections. Judge allows Nevada to try to force removal of plutonium 2019-10-21T04:00:00Z Outgoing Energy Secretary Rick Perry in April promised to send no more plutonium to Nevada and to remove the amount already delivered by 2027. US asks federal judge to toss out Nevada plutonium lawsuit 2019-11-18T05:00:00Z Circuit Court of Appeals refused to overturn that decision in August, agreeing the matter was moot because the plutonium was already there. Nevada seeks to restart lawsuit over US plutonium shipment 2019-10-17T04:00:00Z The South Carolina case sought to revive construction on a facility meant to convert plutonium for use in commercial power plants. Analysis | The Energy 202: Trump administration wants to open up more public trails to e-bikes. No one knows exactly what that means. 2019-10-16T04:00:00Z However, it argued that Nevada’s demand to remove the plutonium already there contradicts the state’s previous contention that the material is too dangerous to transport without further environmental review. Judge allows Nevada to amend suit over removal of plutonium 2019-10-21T04:00:00Z The 9th Circuit Court of Appeals refused in August to overturn the judge’s earlier ruling denying an emergency order sought by Nevada to block any future plutonium shipments to the state. Judge allows Nevada to try to force removal of plutonium 2019-10-21T04:00:00Z South Carolina Attorney General Alan Wilson says the government is still obligated to remove plutonium from the site somehow. Supreme Court lets US stop work on $8B SC nuclear fuel plant 2019-10-15T04:00:00Z “DOE now asks the court to reward its deception. Nevada should not be forced to surrender to one of two evils because DOE snuck the plutonium into the state.” Nevada seeks to restart lawsuit over US plutonium shipment 2019-10-17T04:00:00Z Department of Energy’s waste isolation pilot plant, which houses government-generated nuclear waste, including low-level plutonium. Nuclear waste awareness tour begins in Vermont 2019-10-08T04:00:00Z “Here, it would simply be disingenuous for the government to even contend that Nevada acts in bad faith in seeking to amend its complaint to request removal of the plutonium,” she wrote. Judge allows Nevada to amend suit over removal of plutonium 2019-10-21T04:00:00Z The wildlife refuge is on the buffer zone around a plant that manufactured plutonium triggers for nuclear weapons. Colorado officials say soil tests show safe plutonium levels 2019-10-03T04:00:00Z He offered to first dismantle the facilities at Yongbyon, north of Pyongyang, the North Korean capital, where the regime enriches uranium and produces plutonium, without giving up any existing atomic bombs or missiles. North Korean Envoy Hails Bolton’s Ouster and Trump’s Talk of a New Approach 2019-09-20T04:00:00Z The refuge is on the buffer zone around a plant that manufactured plutonium triggers for nuclear weapons. New tests find lower radioactivity near Colorado arms plant 2019-09-06T04:00:00Z State officials announced in August that a soil test found plutonium levels five times higher than the cleanup standard, but a second test found much lower levels. Plutonium test results slow plans for Denver-area toll road 2019-09-02T04:00:00Z The presence of these isotopes miles from the site of the accident, he said, suggested heavier, more dangerous contaminants such as plutonium, cesium 137 or radioactive iodine likely fell into the sea. Russia Identifies 4 Radioactive Isotopes From Nuclear Accident 2019-08-26T04:00:00Z Officials say an August soil test from a different part of the buffer zone yielded a plutonium reading five times higher than the government-defined standard. Colorado officials say soil tests show safe plutonium levels 2019-10-03T04:00:00Z The soil where the elevated plutonium was found was on the former buffer zone but not on refuge land. Plutonium found in Colorado soil; 2nd test shows lower level 2019-08-20T04:00:00Z Earlier tests from a different part of the buffer zone found elevated levels of plutonium, while a second test from the same area showed lower levels. New tests find lower radioactivity near Colorado arms plant 2019-09-06T04:00:00Z Nine reactors produced plutonium for U.S. nuclear weapons at the site since known as Hanford Reach National Monument in Washington state. Sites of major US weapons tests now see wildlife flourishing 2019-08-18T04:00:00Z Energy Department manufactured plutonium triggers for nuclear warheads at Rocky Flats. At a glance: Weapons sites converted into wildlife refuges 2019-08-18T04:00:00Z The Energy Department estimates it will cost between $323 billion and $677 billion more to finish the costliest cleanup, at the Hanford Site in Washington state where the government produced plutonium for bombs and missiles. Wildlife now roam where US once forged its deadliest weapons 2019-08-18T04:00:00Z Mason said $3 billion in spending is planned for improvements to the lab’s existing plutonium facility for the core work. National lab details $13B in building plans over next decade 2019-08-17T04:00:00Z If what exploded was a small nuclear reactor fueled by plutonium or uranium, he said, it would release a range of contaminants including radioactive iodine that poses a risk of thyroid cancer. In Russia, After the Radiation Came the Rumors 2019-08-16T04:00:00Z Energy Department manufactured plutonium triggers for nuclear warheads at the site later known as Rocky Flats National Wildlife Refuge, northwest of Denver. Sites of major US weapons tests now see wildlife flourishing 2019-08-18T04:00:00Z The state says the Trump administration abused “top secret” classifications to meet a court order to remove a ton of weapons-grade plutonium from the Savannah River site in South Carolina by Jan. 1, 2020. Nevada will seek new court order to remove plutonium 2019-08-16T04:00:00Z A $7 billion cleanup concentrated on the central area where workers assembled plutonium triggers for nuclear warheads, and that area remains closed. Wildlife now roam where US once forged its deadliest weapons 2019-08-18T04:00:00Z The study stated that “eventual success of the strategy to reconstitute plutonium pit production is far from certain.” National lab details $13B in building plans over next decade 2019-08-17T04:00:00Z The Plutonium Uranium Extraction Plant was built in 1956 and is heavily contaminated after being used to help produce plutonium for the nation’s nuclear weapons program. Cleanup contracts extended at Washington state nuclear site 2019-08-14T04:00:00Z The state’s options include requesting a rehearing before the full 9th Circuit or seeking a new court order to remove the plutonium that’s already been shipped from South Carolina to Nevada. The Latest: Nevada AG says plutonium fight will continue 2019-08-13T04:00:00Z Sen. Catherine Cortez Masto, pledging to expedite removal of the plutonium already sent to Nevada — beginning in 2021 — and promising no more will be sent. Nevada will seek new court order to remove plutonium 2019-08-16T04:00:00Z Nevada also wanted the court to order the government to remove the plutonium it shipped to Nevada last year but didn’t reveal until January. Court rules for US in fight over Nevada plutonium shipment 2019-08-13T04:00:00Z The state also wanted the court to order the government to remove the plutonium it shipped to Nevada last year but didn’t disclose until January. 9th Circuit denies Nevada appeal in federal plutonium fight 2019-08-13T04:00:00Z Energy Department was ordered in 2017 to remove that much plutonium by January. SC says US government shipped ton of plutonium out of state 2019-08-08T04:00:00Z A federal appeals court on Tuesday ruled against Nevada in a battle with the U.S. government over its secret shipment of weapons-grade plutonium to a site near Las Vegas. The Latest: Nevada AG says plutonium fight will continue 2019-08-13T04:00:00Z Energy Secretary Rick Perry once again visited a site near Las Vegas where weapons-grade plutonium is stored and low-level radioactive material was mistakenly sent for years. Energy secretary returns to Nevada nuke site in legal fight 2019-08-02T04:00:00Z The site is at the center of a legal battle over weapons-grade plutonium the department secretly shipped to Nevada last year over the state’s objections. Energy Secretary Perry, Gov. Sisolak tour NV nuclear site 2019-08-02T04:00:00Z The plant, which made plutonium triggers for nuclear warheads during its nearly 40 years in operation, was prone to fires, leaks and spills. Justice Department misplaced files on investigation into nuclear weapons plant, officials say 2019-07-30T04:00:00Z Federal court records said half the plutonium was sent to Nevada. SC says US government shipped ton of plutonium out of state 2019-08-08T04:00:00Z The Trinity test in New Mexico on 16 July 1945 marked the first detonation of a nuclear weapon — a plutonium implosion device.Credit: The scientist-spy who spilt secrets of the bomb 2019-07-28T04:00:00Z The facility is at the center of a legal battle over plutonium the department secretly shipped to Nevada last year over the state’s objections. Energy secretary returns to Nevada nuke site in legal fight 2019-08-02T04:00:00Z An arms dealer and a group of terrorists plan to use three plutonium cores for a simultaneous nuclear attack. TV Listings: Here are the feature and TV Films airing the week of July 28 - Aug. 3, 2019 2019-07-26T04:00:00Z The government spent $7 billion cleaning up two square miles at the center of the site where the plutonium triggers were built. Justice Department misplaced files on investigation into nuclear weapons plant, officials say 2019-07-30T04:00:00Z It was an impressive achievement, and Grand Coulee soon contributed power for the aluminum that went into World War II fighter planes and plutonium reactors at the secretive Hanford site in Central Washington. Bonneville, the Northwest’s biggest clean-power supplier, faces promise and perils in changing energy markets 2019-07-21T04:00:00Z Researchers found concentrations of plutonium-238 on Naen, raising the possibility that the island was used as an unreported dumping ground. Radioactivity in parts of the Marshall Islands is far higher than Chernobyl, study says 2019-07-15T04:00:00Z Political plays and shifting plutonium are creating uncertainty with the general public about who’s on first. South Carolina editorial roundup 2019-07-10T04:00:00Z To Verlander, the ace of the Houston Astros, the baseball used in the majors now seems to be filled with plutonium, part of a secret plot by the league to increase home runs. ‘Just Come Out and Say It’: Players Want Answers on the Changing Ball 2019-07-09T04:00:00Z The Arak reactor was also to be redesigned and rebuilt so it would produce far less plutonium overall and no weapons-grade plutonium when operated normally. EU urges Iran to reverse nuclear deal breach 2019-07-08T04:00:00Z Iran was further from being able to produce a weapon with plutonium than with uranium. Factbox: The atomic restrictions imposed by the Iran nuclear deal 2019-07-07T04:00:00Z The first Soviet and American plutonium plants each spread an estimated 200 million curies of radioactive waste into the surrounding environments as part of daily operations. Perspective | Five myths about Chernobyl 2019-07-05T04:00:00Z This edition is the start of a series looking extensively at not only MOX and plutonium but also the entire Savannah River Site and its many facets. South Carolina editorial roundup 2019-07-10T04:00:00Z |
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