| 单词 | micron |
| 例句 | A typical paramecium, for instance, is about two microns wide, 0.002 millimeters, which is really very small. A Short History of Nearly Everything 2003-05-06T00:00:00Z But the carbon fibers, usually 500 microns apart, now had a gap eight times that width in their midst. The Martian 2011-01-01T00:00:00Z To get down to the scale of atoms, you would need to take each one of those micron slices and shave it into ten thousand finer widths. A Short History of Nearly Everything 2003-05-06T00:00:00Z The membrane is 38 microns thick, or a third as thick as a human hair, yet it can withstand pressure of 400 pounds per square inch. Built-In Medicine Cabinet 2010-08-12T17:40:00Z The precision required to assemble the components is reaching 3 microns. Special Report: Watches: Magic in the Timing 2010-03-17T20:20:00Z These laces measured a full three microns thick, according to my micrometer. Style Invitational Week 1325: Stand up and jeer — jokes for the WHCA dinner 2019-03-28T04:00:00Z After the apples have fermented, the cider may be passed through a micron filter to remove the yeast, which creates a clarified, crisp cider. Everything to know about hard apple cider, fall’s signature drink 2021-10-31T04:00:00Z Advanced signal-processing techniques originally developed for the petroleum industry allowed them to spot layers just 20 microns thick — less than one-thousandth of an inch. Scanners find secrets from Picasso’s ‘Blue Period’ 2018-04-20T04:00:00Z After an afternoon of exceptional playing, the stormy final movement brought for the first time rhythmic imperfections and moments where the sound turned scratchy — the force taken, perhaps, a few microns too far. Chamber Music Society of Lincoln Center, With Works for Strings 2015-01-12T05:00:00Z He eventually figured out the number he needed for a single sentence — 25.984 microns — and, in the process, learned a lot about neutrinos. Andy Weir’s New Space Odyssey 2021-05-03T04:00:00Z In experiments run by the team, acoustic exciton-polarons in Re6Se8Cl2 moved fast -- twice as fast as electrons in silicon -- and crossed several microns of the sample in less than a nanosecond. A superatomic semiconductor sets a speed record 2023-10-26T04:00:00Z In one example, the Weinersmiths describe harmful cosmic radiation, contrasting DNA-damaging charged particles to the width of a human hair, which is about 50 microns across. Why Settling Mars Is a Terrible Idea 2023-10-22T04:00:00Z They focused on volcanic ash grains smaller than 45 microns, which is relevant because atmospheric winds can transport it and prompting wider impact. Volcanic ash effects on Earth systems 2023-10-04T04:00:00Z The team also saw elevated levels of particulate matter that is 2.5 microns in diameter or less, which includes particles that, if inhaled, are small enough to absorb into the bloodstream. Scientists reveal what fuels wildfires in Sierra Nevada Mountains 2023-09-25T04:00:00Z “These are rated to remove at least 99.97% of dust, pollen, mold, bacteria and any airborne particles with a size of 0.3 microns,” he says. Ways to prepare your home indoors and outdoors for wildfire season | Produced by Seattle Times Marketing 2023-07-14T04:00:00Z Transphorm uses ultra thin layers of gallium nitride that are a micron, or one thousandth of a millimetre thick, on its semiconductors. China gallium curbs raise chip questions for future EV models 2023-07-11T04:00:00Z At the expedition’s conclusion, our final count was a whopping 50 spherules, ranging in size at 100–700 microns, with the plurality coming from the search strip I calculated. Have We Found Fragments of a Meteor from Another Star? 2023-07-05T04:00:00Z The work is helping scientists uncover how this tiny material -- measured in microns and nanometers -- plays a big role in the atmosphere. Volcanic ash effects on Earth systems 2023-10-04T04:00:00Z Experts recommend indoor use of air purifiers that can trap particles smaller than 2.5 microns, especially for those at risk. Explainer: What health experts say wildfire smoke novices need to know 2023-06-08T04:00:00Z These are fine particles that have a diameter of 2.5 microns or smaller—tiny enough to travel deep into the respiratory system. How Long Will Wildfire Smoke Last, and Where Will It Spread? 2023-06-07T04:00:00Z When sandwiched, the layers are only about 25 to 50 microns thick – as thin as a sheet of paper, similar to skin. Stanford team makes electronic skin that can sense touch 2023-05-31T04:00:00Z Micrograph shows rod-shaped Vibrio cholera, which are about 1 micron long. Fundamentals of Biology 2015-01-01T00:00:00Z To test those predictions, Hu and his colleagues placed a tiny piece of boron arsenide less than 100 microns thick in the gap between two diamonds. Strange Material Breaks a Classic Rule of Physics 2023-04-28T04:00:00Z Even short-term exposure to fine particles — those smaller than 2.5 microns across, also known as PM 2.5 — can lead to a host of health harms, including asthma attacks and heart attacks. 1 in 3 Americans breathe unhealthy air, new report says 2023-04-25T04:00:00Z It has long been known that inhaling these microscopic particles — also known as PM 2.5, particles less than 2.5 microns in width — can cause serious health issues. Air pollution may raise risk of dementia, analysis says 2023-04-05T04:00:00Z Everyone is a micron deep, pixels without much in the way of personality. ‘The Super Mario Bros. Movie’ review: These characters could use a power-up 2023-04-04T04:00:00Z The micrograph on the right is a Paramecium, which is about 50 microns across and 150 microns long. Fundamentals of Biology 2015-01-01T00:00:00Z The agency said that Mars Wrigley didn’t properly train the workers when they went to clean the Dove chocolate batching 20 micron tank. Feds fine candy giant Mars Wrigley over 2022 incident in which workers fell in chocolate tank 2023-02-13T05:00:00Z The new engraving consists of 273 letters each 50 microns high, he explained. Tiny gold Lord's Prayer engraved in eye of needle by Birmingham artist 2023-01-31T05:00:00Z Soot is also known as fine particulate matter because its fragments are so small — 2.5 microns in diameter or less. EPA’s proposed air pollution standards for soot could save thousands of lives 2023-01-13T05:00:00Z Particulate matter is considered to be the most dangerous air pollutant and at only 2.5 microns wide or less, PM 2.5 particles can get deep into the lungs and even the bloodstream. 'Burn everything': Poland chokes on the smog of war 2022-12-08T05:00:00Z The micrograph on the left shows a sphere about 400 microns across with round green cells about 50 microns across inside. Fundamentals of Biology 2015-01-01T00:00:00Z Overall, the stack is only about a micron thick, yet it features a specific degree of broken spatial symmetry compared with natural periodic crystals, where molecules are all lined up in straight rows. Engineered Metamaterials Can Trick Light and Sound into Mind-Bending Behavior 2022-11-18T05:00:00Z "The thickness of a human hair is 100 microns - so each letter is half the width of a human hair." Tiny gold Lord's Prayer engraved in eye of needle by Birmingham artist 2023-01-31T05:00:00Z What troubles experts is particulate matter in the air smaller than 2.5 microns across; there are about 25,000 microns in an inch. Toxic wildfire smoke raises health risks across the country 2022-11-13T05:00:00Z Although the study covers the scale of the Milky Way, the work began by analyzing miniscule crystals only 100 microns wide. The Milky Way’s Spiral Arms May Have Carved Earth’s Continents 2022-09-30T04:00:00Z Pith cells stain greenish-blue and are about 50 to 100 microns in diameter in the middle, and smaller toward the outside. Fundamentals of Biology 2015-01-01T00:00:00Z By measure of PM 2.5—particulate matter smaller than 2.5 microns that can embed in human lungs and enter the bloodstream—23 of the top 25 cities were in the West or Alaska. The Hidden Toll of Wildfires 2022-09-12T04:00:00Z The sail itself is made from CP-1, a tough, flexible, aluminum-coated polymer film that, he says, is “like Saran Wrap, except it’s much thinner than a human hair, just a few microns thick.” NASA’s Moon-Bound Megarocket Will Send a Spacecraft to an Asteroid, Too 2022-08-23T04:00:00Z Special minute optical filters inserted at the end of the fiber bundle have the capacity to image tens of microns below the surface without cutting the surface—non-intrusive diagnostics. College Physics for AP Courses 2015-08-12T00:00:00Z At the end of each duct are approximately 100 alveolar sacs, each containing 20 to 30 alveoli that are 200 to 300 microns in diameter. Biology for AP Courses 2022-06-09T00:00:00Z Surrounding the pith is a ring of xylem cells about 75 microns across and four cells deep. Fundamentals of Biology 2015-01-01T00:00:00Z Thanks to their small sizes and low temperatures, interstellar grains radiate most of their energy at infrared to microwave frequencies, with wavelengths of tens to hundreds of microns. Astronomy 2016-10-13T00:00:00Z Measuring less than 2.5 microns across, these tiny particles of pollution can be inhaled deep into the lungs when breathed down here on the ground. McKinney fire has hit the stratosphere, spewing the 'fire-breathing dragon of clouds' 2022-08-03T04:00:00Z For that reason, the Environmental Protection Agency sets limits on particles measuring 10 microns or smaller — less than half the size of a human white blood cell. A looming ecological crisis in the Great Salt Lake isn't that far off 2022-07-29T04:00:00Z Dr. Wong said he was particularly excited for the Webb measurements of infrared light of wavelengths around three microns, which cannot be observed from ground-based telescopes because Earth’s atmosphere absorbs much of the infrared spectrum. NASA Shows Webb’s View of Something Closer to Home: Jupiter 2022-07-15T04:00:00Z Xylem cells, which are about 15 microns across, radiate out from the center in rows. Fundamentals of Biology 2015-01-01T00:00:00Z In this image, the red color shows radiation emitted in the infrared at a wavelength of 2.2 microns. Astronomy 2016-10-13T00:00:00Z A micron is a millionth of a metre. Physical Geology 2015-01-01T00:00:00Z Blakowski added, however, that dust particles from the Great Salt Lake mostly measure around 30 microns. A looming ecological crisis in the Great Salt Lake isn't that far off 2022-07-29T04:00:00Z An E. coli cell, for example, measures about two microns, or under a ten-thousandth of an inch. You Don’t Need a Microscope to See the Biggest Bacteria Ever Found 2022-06-23T04:00:00Z Bacteria smaller than 0.5 microns in size are trapped by choanocytes, which are the principal cells engaged in nutrition, and are ingested by phagocytosis. Fundamentals of Biology 2015-01-01T00:00:00Z “By little, I mean fractions of a micron — much, much, much smaller than a human hair. And for the most part, spacecraft don’t even notice those.” Why getting hit by space dust is an unavoidable aspect of space travel 2022-06-20T04:00:00Z Particles would pass through a small “window” in each detector that consisted of aluminum foil just three microns thick. Record-Breaking Voyager Spacecraft Begin to Power Down 2022-06-16T04:00:00Z Using hydrogen ions and then removing the extra electrons further increases the beam density so that each bunch consists of roughly 120 billion protons squeezed into a diameter of about three microns. Large Hadron Collider Seeks New Particles after Major Upgrade 2022-04-27T04:00:00Z Living inside surgeonfish, the bacteria grows to 600 microns long — larger than a grain of salt. You Don’t Need a Microscope to See the Biggest Bacteria Ever Found 2022-06-23T04:00:00Z The cells are about 2 microns across and 3 microns long. Fundamentals of Biology 2015-01-01T00:00:00Z A private student of Cajal’s in Barcelona who worked in the laboratory with him attested that his hand-cut sections—often between 15 and 20 microns thick—were as perfect as those cut with any machine. The Father of Modern Neuroscience Discovered the Basic Unit of the Nervous System 2022-04-09T04:00:00Z These included modeling proton and antiproton collisions and conducting a new, more thorough examination of the decommissioned detector’s operational quirks—even using old cosmic-ray data to map its layout down to the micron. Elementary Particle’s Unexpected Heft Stuns Physicists 2022-04-07T04:00:00Z A new study using an uncommon testing technique suggests it only takes a mere droplet — one 10 microns across, or one-hundredth of one millimeter — to infect someone with COVID-19. A contentious study reveals exactly how easily COVID-19 spreads 2022-04-06T04:00:00Z The average cell measured about 9,000 microns long, and the biggest was 20,000 microns — long enough to span the diameter of a penny. You Don’t Need a Microscope to See the Biggest Bacteria Ever Found 2022-06-23T04:00:00Z One hypha has a round sporangium, about 35 microns in diameter, at the tip. Fundamentals of Biology 2015-01-01T00:00:00Z Large respiratory droplets — those bigger than 10 microns — rapidly fall onto surfaces, typically within about 6 feet from the source. As mask mandates drop, ask these questions to gauge safety of indoor spaces 2022-03-13T05:00:00Z After the researchers collected data from the room, they calculated how many particles smaller than half a micron a person there would inhale during mopping. Mopping can create air pollution that rivals city streets 2022-02-24T05:00:00Z Those diesel engines spew microscopic bits of pollution called fine particulate matter, which are 30 times smaller than the width of a human hair, roughly 2.5 microns in diameter. To skirt air pollution oversight, states can play hide and seek 2022-01-19T05:00:00Z A human egg cell can reach about 120 microns in diameter, or five one-thousandths of an inch. You Don’t Need a Microscope to See the Biggest Bacteria Ever Found 2022-06-23T04:00:00Z On opposite faces of the stem the peripheral cortex bulges outward, forming buds about 150 microns across. Fundamentals of Biology 2015-01-01T00:00:00Z Smaller respiratory droplets ranging from a few microns to 0.1 microns — the size of a single particle of the coronavirus — can stay suspended in the air for hours. As mask mandates drop, ask these questions to gauge safety of indoor spaces 2022-03-13T05:00:00Z Around the world, researchers closely track levels of airborne particulate matter less than 2.5 microns in diameter — known as PM 2.5 — because it can lodge in the lungs and other organs, causing long-term health damage. EXPLAINER: Why India has repeated air pollution problems 2021-11-17T05:00:00Z Next, she slices off pieces that are a mere 50 microns thick — just wide enough to contain a single layer of brain cells. How does COVID-19 change the brain? This scientist is finding out 2021-11-05T04:00:00Z It claims that the mask can filter 99 percent of air particles that are 0.3 microns in size. Razer’s futuristic Zephyr mask is available today, starting at $99.99 2021-10-21T04:00:00Z Several large bumps about 20 microns across project from the lower surface of the leaf. Fundamentals of Biology 2015-01-01T00:00:00Z MERV, which stands for minimum efficiency reporting value, is rated from 1 to 16, and represents the filter’s ability to catch larger particles between 0.3 and 10 microns. As mask mandates drop, ask these questions to gauge safety of indoor spaces 2022-03-13T05:00:00Z Particles 10 microns in diameter and smaller, called PM10, can affect human health and include dust, mold, pollen, diesel exhaust, ozone and wildfire smoke. Assessing COVID Risk and More with Air Quality Monitors 2021-10-13T04:00:00Z Smaller than 5 microns, these particles can travel across a room and linger in indoor air for hours. This scientist says cleaning indoor air could make us healthier—and smarter 2021-08-05T04:00:00Z The virus particles are smaller than 0.3 microns, but that post linked from USA Today says they usually bond to much larger molecules, like water. Razer’s futuristic Zephyr mask is available today, starting at $99.99 2021-10-21T04:00:00Z Part b micrograph shows rod-shaped bacteria about two microns long swimming over a thicker mat of bacteria. Fundamentals of Biology 2015-01-01T00:00:00Z She ground down fist-size chunks of rock into sections 30 microns thin, then analyzed their contents under a microscope. Do these fossilized structures belong to Earth’s first animals? 2021-07-28T04:00:00Z It shows domestic wood burning in both closed stoves and open fires was responsible for 38% of pollution particles under 2.5 microns in size, three times more than road traffic. Wood burners: Sale of coal and wet wood restricted in England 2021-04-30T04:00:00Z There are up to a few thousand actuators, each moving the deformable mirror surface by a few microns. Adaptive Optics Branches Out 2021-04-30T04:00:00Z It is a mid-infrared coronagraph, a specialized instrument designed to blot out the bulk of a star’s thermal glow at a tight wavelength of 10 microns. Is It a Planet? Astronomers Spy Promising Potential World around Alpha Centauri 2021-02-10T05:00:00Z Transparent oval organisms about 20 microns across cling to the arthropod. Fundamentals of Biology 2015-01-01T00:00:00Z In the end, they settled on two layers — one roughly 15 microns tall, and another 30 microns tall, according to measurements we made with a Nikon LV100 microscope. How Sony’s PS5 designers turned PlayStation into something you can feel 2021-02-07T05:00:00Z Barely lifting their feet, the soles of their cheap plastic sandals always seemed to clear the uneven desert surface by a single micron: a shuffling, low-energy gait built for eternal horizons. 8 years ago I began walking the Earth—and stumbled into an era spinning with change 2021-01-15T05:00:00Z Scientists have reported transient differences of a few degrees F from spot to spot within a cell, a space that ranges from about five to 120 microns in diameter in humans. Mysterious Heat Spikes inside Cells Are Probed with Tiny Diamonds 2021-01-15T05:00:00Z The new study excludes plastic particles smaller than 10 microns. Microplastics from laundry are flooding into the Arctic 2021-01-12T05:00:00Z Micrograph B shows a similar oval transparent organisms clinging to rod-shaped algae about 5 microns across and 200 microns long. Fundamentals of Biology 2015-01-01T00:00:00Z The fundamental formal pleasure of watching a Fincher film is that every last micron of the experience has been considered, and then reconsidered, with an abundance of love, skill and precision. David Fincher’s Impossible Eye 2020-11-19T05:00:00Z Reliably creating smoothly twisted sheets even just 1 micron or two across is still a challenge, and researchers don’t yet see a clear path toward mass production. Twisted graphene could power a new generation of superconducting electronics 2020-11-19T05:00:00Z The instruments aboard the observatory detected subtleties in the moonlight at a wavelength of 6 microns, which the researchers believe is an unambiguous signal of water. Pair of studies confirm there is water on the moon 2020-10-26T04:00:00Z He plans on bringing a face shield and several KN95 masks, which block 95 percent of particles smaller than 0.3 micron, on Election Day. How to Avoid COVID While Voting 2020-10-14T04:00:00Z The micrograph shows Giardia, which is shaped like a corn kernel and about 12 to 15 microns in length. Fundamentals of Biology 2015-01-01T00:00:00Z Lincoln said it uses a laser sensor to identify particles as small as 2.5 microns, and an air filter to trap them. Could your car keep you safe from COVID-19? 2020-10-13T04:00:00Z Usually only the overall weight of particles smaller than 2.5 microns is measured. Air pollution particles in young brains linked to Alzheimer's damage 2020-10-06T04:00:00Z Generally no more than 100 microns in size — less than the average diameter of a human hair — aerosols are light enough to remain suspended in the air. CDC says new guidance on risk of coronavirus aerosols was posted by mistake 2020-09-21T04:00:00Z The particles from wildfires are dangerously small, less than a micron wide, or 10 to 30 times smaller than the diameter of a human hair. As wildfire smoke becomes a part of life on the West Coast, so do its health risks 2020-09-16T04:00:00Z In the center of the image is an oval pore about 10 microns across. Fundamentals of Biology 2015-01-01T00:00:00Z Then they blocked this path with another laser, creating an optical barrier that was about 1.3 microns thick. Quantum Tunneling Is Not Instantaneous, Physicists Show 2020-07-22T04:00:00Z Research shows it is usually carried in small respiratory droplets, say five microns or larger. Opinion | What we’ve learned about how to catch — or avoid — covid-19 2020-07-17T04:00:00Z Scientists sometimes refer to droplets less than five microns in diameter as aerosols. Airborne Coronavirus: What You Should Do Now 2020-07-06T04:00:00Z Even in its latest update on the coronavirus, released June 29, the W.H.O. said airborne transmission of the virus is possible only after medical procedures that produce aerosols, or droplets smaller than 5 microns. 239 Experts With One Big Claim: The Coronavirus Is Airborne 2020-07-04T04:00:00Z The micrograph shows round red blood cells, about 8 microns across. Fundamentals of Biology 2015-01-01T00:00:00Z Skeptics of airborne transmission say particles larger than 5 microns are too heavy to travel more than six feet. World Health Organization acknowledges that coronavirus can linger in the air 2020-07-09T04:00:00Z This suggests that airborne virus particles, very tiny, smaller than five microns, might be exhaled and remain suspended and swirl like dust or pollen. Opinion | What we’ve learned about how to catch — or avoid — covid-19 2020-07-17T04:00:00Z The WHO, by contrast, argues that N95 masks and proper ventilation are only of concern amid medical procedures that create aerosols, or droplets smaller than 5 microns. Coronavirus may spread through air much more readily than we thought 2020-07-06T04:00:00Z In an update as recent as June 29, the WHO said airborne transmission is “possible” in circumstances generating aerosols smaller than 5 microns, such as during medical procedures. Nearly 240 experts call for updated coronavirus WHO guidelines 2020-07-06T04:00:00Z Micrograph shows Aspergillus mycelia, which look like long threads, and a spherical conidiophore about 40 microns across. Fundamentals of Biology 2015-01-01T00:00:00Z The coronavirus is about 500 times smaller than the width of a human hair, which measures around 50 microns or more, Corsi said. As America struggles to reopen schools and offices, how to clean coronavirus from the air 2020-06-26T04:00:00Z But they noted that aerosols, because they are smaller than 5 microns, would also contain much less, perhaps millions-fold less, virus than droplets of 500 microns. It’s Not Whether You Were Exposed to the Virus. It’s How Much. 2020-05-29T04:00:00Z High-grade N95 masks are cleared by federal public health agencies because they filter out at least 95 percent of particles that are 0.3 microns in diameter when properly worn. Six Months of Coronavirus: Here’s Some of What We’ve Learned 2020-06-01T04:00:00Z Particles larger than five microns are most likely to transmit a respiratory infection like COVID-19 and tend to travel short distances — within three to six feet. Can I get coronavirus outside? Experts talk wind dispersal, provide safety tips 2020-05-20T04:00:00Z Palisade cells are about 50 microns tall and 10 microns wide and are covered with tiny bumps, which are the chloroplasts. Fundamentals of Biology 2015-01-01T00:00:00Z In addition, “these electrodes may be designed to penetrate the cortex so that the electrode tips are closer to the neurons that lie several hundred microns below the cortical surface,” they added. Blind People Could ‘See’ Letters That Scientists Drew on Their Brains with Electricity 2020-05-15T04:00:00Z SOFIA's observations confirmed the existence of those particles and characterized them, revealing that each fleck is just 0.06 to 0.10 microns wide, study team members said—about 1,000 times thinner than a human hair. Pluto’s Wispy Atmosphere May Be Surprisingly Robust 2020-05-14T04:00:00Z The most concerning pollutant for those who find themselves downwind of a wildfire is fine particulate matter less than 2.5 microns in diameter, says Reid. How should vulnerable people be protected during wildfires? 2020-05-12T04:00:00Z The plant produced spores that ranged in size from about 70 to 200 microns in diameter – about a strand to two strands of hair – which surprised researchers, considering the state they were found in. Fossilized remains of 400-million-year-old newly discovered plant could change 'evolutionary history' 2020-05-04T04:00:00Z For comparison, a single human hair averages about 70 microns in diameter. Wearing personal protective equipment correctly is a science 2020-05-04T04:00:00Z But surgical masks, designed to protect patients from a surgeon’s respiratory droplets, aren’t effective at blocking particles smaller than 100 microns, according to mask maker 3M Corp. Widely Used Surgical Masks Are Putting Health Care Workers at Serious Risk 2020-04-28T04:00:00Z But surgical masks, designed to protect patients from a surgeon’s respiratory droplets, aren’t effective at blocking particles smaller than 100 microns, according to the mask maker 3M. Is official guidance on face masks putting US health workers in danger? 2020-04-28T04:00:00Z But much smaller droplets, less than 5 microns in diameter, can remain in the air for minutes to hours and travel further. Coronavirus detected on particles of air pollution 2020-04-24T04:00:00Z If you want a phone that folds inward without a huge hinge gap, we’re talking tens of microns. Folding glass: how, why, and the truth of Samsung’s Z Flip 2020-02-19T05:00:00Z "The micro-CT produces very high-resolution imaging, up to a few microns," one of the study's co-authors, Dr. Hila May, said in the statement. Cancer seen in humans also found in 66M-year-old dinosaur fossil 2020-02-17T05:00:00Z The first step in creating the map was to slice sections of fruit fly brain into pieces just 20 microns thick, roughly a third the width of a human hair. Google publishes largest ever high-resolution map of brain connectivity 2020-01-22T05:00:00Z The key to the new steak is patented micro-extrusion technology that produces fibres between 100 and 500 microns in diameter. ‘Most realistic’ plant-based steak revealed 2020-01-10T05:00:00Z Setti said tiny droplets between 0.1 and 1 micron may travel further when coalesced with pollution particles up to 10 microns than on their own. Coronavirus detected on particles of air pollution 2020-04-24T04:00:00Z The fibres measure a mere 8-10 microns in width, making it about 10 times finer than human hair and eight times warmer than sheep wool. Cashmere country: the perils of making the world's finest fabric 2020-01-10T05:00:00Z In normal brains and normal brain organoids, they exceed 400 microns in the earliest stages of development. Research Using Brains-in-a-Dish Forces a Radical Rethinking of Huntington’s Disease 2019-12-10T05:00:00Z After 2 years of further experimentation with other branched hexanes, the team was able to reliably create the substance again and again, in films up to 1 micron thick and several centimeters across. The next graphene? Shiny and magnetic, a new form of pure carbon dazzles with potential 2019-11-12T05:00:00Z PM 2.5, or tiny particulate matter that is less than 2.5 microns in diameter, are considered particularly dangerous because they lodge deep in the lungs. Diwali fireworks haze pushes Indian capital's air quality to severe 2019-10-28T04:00:00Z To put that into perspective, a single inch contains 25,400 microns. A High-Tech Solution for Rooting Out Counterfeit Goods 2019-10-21T04:00:00Z All plastic drinking bottles and plastics of less than 30 microns in width will be banned in the province. Nepal bans single-use plastics in Everest region 2019-08-21T04:00:00Z But in his Huntington’s organoids, none did, and very few were larger than 200 microns. Research Using Brains-in-a-Dish Forces a Radical Rethinking of Huntington’s Disease 2019-12-10T05:00:00Z Scientists say the mirror changes its shape by tens of microns or about the width of a human hair to eliminate distortions caused by the atmosphere. Hawaii scientist awarded grant to advance telescope 2019-08-10T04:00:00Z That development is encouraging, especially because many of the deep-sea corals that live on these seamounts grow only a few microns to millimeters a year. Ballistic Maggots, Synthetic Winks and Why You're Not Goop: This Week's Best Science GIFs 2019-08-09T04:00:00Z A strand of human hair is about 82 microns wide. A High-Tech Solution for Rooting Out Counterfeit Goods 2019-10-21T04:00:00Z And its thickness is just four microns, about half as wide as a strand of spider silk. Fang Needles, Quantum Carpets and Tender Robot Touches 2019-08-02T04:00:00Z A metalens consists of a flat surface, thinner than a micron, that is covered with an array of nanoscale objects, such as jutting pillars or drilled holes. Tiny Lenses Will Enable Design of Miniature Optical Devices 2019-07-02T04:00:00Z "We used to think 80 microns was small." Slender, neuron-size probes aim for better recordings of brain’s electrical chatter 2019-05-01T04:00:00Z Droplets smaller than 70 microns wouldn’t be buoyant enough to float to the surface even in the absence of dispersant, instead forming an underwater mist of oil. Do chemicals that disperse oil spills make the problem worse? Probably not, new study finds 2019-04-05T04:00:00Z Photo by Natt Garun / The Verge Unlike its bigger counterpart, the Pure Cool Me won’t tell you the types of microns and impurities it’s eliminating from your room while in use. Dyson’s new ambient lamp promises to last up to 60 years and has a USB-C port built in 2019-03-20T04:00:00Z This flatness specification allows for no more than 400 microns of deviation across the length of any side — less than the thickness of four sheets of paper. Apple seeks to end bent iPad Pro controversy with new support page 2019-01-05T05:00:00Z The index measures the concentration of tiny poisonous particulate matter, or PM 2.5, that are less than 2.5 microns in diameter, which can be carried deep into the lungs. India's capital chokes as pollution levels hit the worst this year 2018-12-24T05:00:00Z “The thickness of the rachis in some specimens is 3 microns thick. That’s less than the size of the average cell,” O’Connor says. Ancient bird fossils have ‘the weirdest feathers I have ever seen’ 2018-12-14T05:00:00Z Just like a tiny cable, each silk fiber is entirely composed of parallel nanostrands, which they measured to be at least 1 micron long. Spider silk is five times stronger than steel—now, scientists know why 2018-11-20T05:00:00Z Because the distance of a few microns meant the difference between signal and noise, he had to peer intently into an oscilloscope as he placed the probe. How to Control a Machine with Your Brain 2018-11-19T05:00:00Z Research shows increased exposure to 2.5 micron particulate matter has been associated with accelerated cognitive decline in older adults. Californians are now lab rats for the long-term effects of toxic wildfire smoke 2018-11-15T05:00:00Z With fewer than 40 “white supremacist” types marching to “unite” the right, these people are clearly not one micron in size and represent nothing important to Republicans, conservatives or religious Christians. Opinion | The media made a nothingburger into a big story 2018-08-15T04:00:00Z It is often abbreviated to micron, and is equal to 1×10-6 of a metre, one-millionth of a metre or one-thousandth of a millimetre. Thirty micrometres a minute: scientists discover the speed of death 2018-08-12T04:00:00Z “These are the games you want to be involved in,” he had said of the knockouts, his voice betraying just a micron of emotion. England Shakes Its Shootout Curse and Saves Its World Cup 2018-07-03T04:00:00Z The PM10 index, which measures the concentration of particulate matter of 10 microns diameter or less in the air, hit 999 in the capital New Delhi last week, the highest measure on monitoring devices. Exclusive: India speeds up environmental approvals in industry,... 2018-06-22T04:00:00Z Looking through the microscope, he said, he “kept finding these long, thin translucent lines,” about 50 nanometers wide and 150 to 200 microns long, extending between cells in the culture. Cells Talk and Help One Another via Tiny Tube Networks 2018-05-07T04:00:00Z It is a heavily polluted steel hub and the only city in Hebei to see a rise in concentrations in 2017 of particulate matter 2.5 microns in size, pollution that penetrates deep into people’s lungs. China's Handan orders 25 percent steel production cut from April 1 2018-03-30T04:00:00Z Advanced signal processing techniques originally developed for the petroleum industry allowed them to spot layers just 20 microns thick — less than one-thousandth of an inch. In Picasso’s Blue Period, Scanners Find Secrets He Painted Over 2018-02-20T05:00:00Z The circles—each a few microns in diameter—caught light waves only of precise wavelengths, which then moved from one loop to the next. Physicists Harness Twisted Mathematics to Make Powerful Laser 2018-02-05T05:00:00Z The circles — each a few microns in diameter — caught light waves only of precise wavelengths, which then moved from one loop to the next. Physicists harness twisted mathematics to make powerful laser 2018-01-31T05:00:00Z We’d like to go smaller, even down to tens of microns, so that we can reach almost anywhere inside your body. This Tiny Robot Walks, Crawls, Jumps and Swims. But It Is Not Alive. 2018-01-24T05:00:00Z After coating, the tape sheets pass through 48 feet of ovens, floating on 200-degree air that’s been filtered down to 1 micron. Springfield factory makes cassette tape 2018-01-11T05:00:00Z Now, they’ve extended that work by designing a computer-controlled process to not only create dense stainless steel layers, but to more tightly control the structure of their material from the nanoscale to micron scale. 3D printing doubles the strength of stainless steel 2017-10-30T04:00:00Z When considering air pollution, scientists fret most about fine particles — those smaller than 2.5 microns, or about one-thirtieth the width of a human hair. Opinion | Does Eating Right Protect You From Air Pollution? 2017-10-19T04:00:00Z The Orb analyses caught particles of more than 2.5 microns in size, 2,500 times bigger than a nanometre. Plastic fibres found in tap water around the world, study reveals 2017-09-05T04:00:00Z A human hair, by contrast, is about 50 or 60 microns, according to a spokesperson at Washington’s Department of Ecology. Puget Sound’s ashy air is not as bad as it looks, air-quality scientists say 2017-09-05T04:00:00Z The size varies, but a typical spore is about 10 microns, or 1/2,500th of an inch, in width, and it is attached at the end of a stalk called a sterigma. Fungi Physics: How Those Spores Launch Just Right 2017-07-27T04:00:00Z Then they trimmed off slices, mounted those on glass slides, and ground them to just 30 microns thick to observe under a microscope. Quest for Clues to Humanity's First Fires 2017-06-19T04:00:00Z That smog, with particles a mere 2.5 microns in diameter, frequently blankets Beijing and major urban areas in China’s densely populated eastern provinces. Converting coal would help China’s smog at climate’s expense 2017-04-24T04:00:00Z The researchers coated quartz petri dishes with a superthin layer of diamond less than a micron thick, and put human sperm cells on them. Diamond dishes could boost IVF success rates 2017-04-21T04:00:00Z The cooling was achieved by using lasers to slow the particles until they were confined in a laser trap, less than 100 microns across. Scientists have created a fluid with negative mass – but what does it tell us? 2017-04-19T04:00:00Z The particles are formed by molecules clumping together to form groups of between one nanometre and 10 microns. Aerosol study to look at great unknown in climate science 2017-02-21T05:00:00Z In a human brain, the cells would need to travel a matter of millimeters or centimeters, up to 20 times farther than the 500 microns tested here, he says. Reprogrammed skin cells shrink brain tumors in mice 2017-02-01T05:00:00Z But it suggests they should be detectable in the gravitational interactions of objects less than 100 microns apart. Searching for particles on a benchtop 2017-01-26T05:00:00Z Some components are made to a tolerance of 50 microns—the width of a human hair. A big fine for Rolls-Royce is not its only worry 2017-01-19T05:00:00Z While cashmere fiber measures between 14.5 and 17 microns, yak fiber averages a beefy 19 to 20 microns. Is Yak the New Cashmere? 2016-11-22T05:00:00Z Beyro planned to mask the joints between the sections with wisps of plaster—the sole human touch on an object that had a resolution of three hundred microns. The Factory of Fakes 2016-11-20T05:00:00Z Costa uses an instrument called an electron microprobe to map the chemical variations along the crystal faces, making a measurement every few microns. Smudged volcanic crystals offer clues to past eruptions 2016-11-17T05:00:00Z The vial is held around 100 microns from a rotating tungsten cog inside a chamber shielded from magnetic fields. Searching for particles on a benchtop 2017-01-26T05:00:00Z To deliver motes, currently one millimeter in size, into the brain, the researchers would need to miniaturize the sensors further to about 50 microns, about the width of a human hair. Tiny 'fitbits' to keep tabs on the body from within 2016-09-06T04:00:00Z To quantify matters, they examined transects 50 microns long from each sample. Gone today, hair tomorrow 2016-08-18T04:00:00Z The latest technology can achieve a resolution of a hundred microns, which is what the typical human eye can discern at reading distance. The Factory of Fakes 2016-11-20T05:00:00Z Near the first anniversary of Henry’s death, he live-streamed the act that would enable all the work to follow: a 53-hour partitioning of Henry’s brain into 2,401 70-micron-thin slices. The Brain That Couldn’t Remember 2016-08-03T04:00:00Z A decade ago he showed that Newton’s predictions remained correct for objects 44 microns apart. Searching for particles on a benchtop 2017-01-26T05:00:00Z The microscope is powerful enough to show individual zooxanthellae, about 10 microns, or one-tenth the width of a human hair, in the polyps. Tiny Coral on the Seafloor, Ready for Its Close-Up 2016-07-12T04:00:00Z There aren’t many details on the camera itself, but CEO Jarred Land confirmed that it uses a new 3.65 micron sensor line. Stop enabling Michael Bay with insane 8K cameras 2016-07-11T04:00:00Z Some are half a micron in diameter, while others measure one or two microns, and some measure 30 microns across. You May Owe Your Existence to Tiny Vampires 2016-06-09T04:00:00Z In ongoing studies, the researchers spray influenza virus into the noses of volunteers via a mist, created by an atomizer that only produces particles larger than 10 microns. Studies that intentionally infect people with disease-causing bugs are on the rise 2016-05-18T04:00:00Z Will our national leaders allow the brilliant work at MIT to substantially help our national economy and dramatically reduce the less than 1 micron particulate air pollution that is a major global health problem? Looking for a true energy revolution 2016-04-11T04:00:00Z These droplets of material are tiny — just 20 to 30 microns in diameter, or less than half the width of a human hair. 3D-printed hydraulic robot 'can practically walk right out of the printer' 2016-04-07T04:00:00Z The text is printed using the lithographic process onto sheets of film just three or four microns thick. Miniature milestone as Russian claims new record for world's tiniest book 2016-03-02T05:00:00Z “Why should the micron sign or the pound sterling sign figure so prominently today?” he said. France Plans a New Keyboard to Shift Control to Typists 2016-01-22T05:00:00Z Traditional powder’s grain size averages about 100 microns across but the two newer ones are less than half that size. New Powders Can Lift Poacher Prints from Ivory a Month after the Crime 2015-11-11T05:00:00Z In fact, most are microscopic, measuring just a few microns in diameter. Diamonds Aren't As Rare As You Might Think, Scientists Say 2015-11-04T05:00:00Z But for the system to be useful for medical operations, the team would need to miniaturize it to manipulate objects on the micron scale. Real-Life 'Tractor Beam' Can Levitate Objects Using Sound Waves 2015-10-28T04:00:00Z He used tungsten wires with a diameter of five microns as the “springs” for the pages, placing the finished books into half a poppyseed, displayed on gold plates. Miniature milestone as Russian claims new record for world's tiniest book 2016-03-02T05:00:00Z A dust analyzer and spectrometer will observe all the particles ejecting from Enceladus, which are usually about 30 microns thick. A NASA probe will fly through a giant icy plume on one of Saturn’s moons tomorrow 2015-10-27T04:00:00Z One is by encasing the RNA in fatty capsules less than a micron across. The slopes of enlightenment 2015-10-15T04:00:00Z The printer then forms that design by pointing a laser at liquid resin, which cures and solidifies it into tiny layers as small as 25 microns across. New printer will get RCC students thinking in 3 dimensions 2015-10-03T04:00:00Z "It is sufficient to shift the drop size distribution from a few microns - say, the size of a blood cell - to 50 microns - say, half the width of a hair." Substance found to curb fuel fireballs from air and vehicle crashes 2015-10-01T04:00:00Z The individual pixels on the sensor are about 1.5 microns across - approximately the same size as those found on consumer cameras. Canon develops 250 megapixel camera sensor - BBC News 2015-09-07T04:00:00Z The one they discovered is less than a mile up and comprised of particles about half a micron thick, indicating that this is not the cloud that issued the weird Apollo light. The Moon has a big, weirdly shaped dust cloud on its surface 2015-06-17T04:00:00Z Basically, the outer edge of Hubble’s mirror was about 2 microns too flat. Eight Spacecraft that Have Been Rescued, Resurrected and Repurposed 2015-06-17T04:00:00Z The Phoebe ring is made up mainly of dust particles about 10 to 20 microns in size, or about one-tenth to one-fifth the average width of a human hair. Saturn's Newest Ring is Mind-Bogglingly Big 2015-06-11T04:00:00Z Its spores are one to five microns across – small enough to get into human lungs. Latest anthrax scare reveals dangerous lack of accountability, experts warn 2015-06-07T04:00:00Z Measuring some 200 microns across, it is one of the largest diatoms in the sea. Multitude of Microscopic Wonders Discovered in the World's Oceans [Slide Show] 2015-05-21T04:00:00Z Although at 32 meters wide it is about the size of a boxing ring, the sail is only 4.5 microns thick, the same as a single strand of spider silk. First Private Solar Sail–Powered Spacecraft Set to Launch [Video] 2015-05-19T04:00:00Z The processes at Orange County and most other plants that clean the water include microfiltration that strains out anything larger than 0.2 microns, removing almost all suspended solids, bacteria and protozoa. Recycled Drinking Water: Getting Past the Yuck Factor 2015-05-08T04:00:00Z This feat of precision engineering, he says, relies on an “invisible plastic shield” separating the soda from the aluminum: “Without this epoxy lining, only microns thick, a can of Coke would corrode in three days.” ‘Rust’ Offers an Engrossing Look at Corrosion 2015-03-09T04:00:00Z The block M is a bit larger: 115-by-160-by 3 microns thick, or about the size of a grain of sand. Ultra-small U-M logo shows possible new drug delivery tool 2015-03-01T05:00:00Z Goldgenie also says that its technicians will use at least 5 microns of 24-karat gold for the plating, which it says is ‘significantly higher’ than the average 2-3 micron thickness of most gold-plated products. You'll Be Able to Get Your Cheap Apple Watch Gold-Plated 2015-02-26T05:00:00Z “If somebody asks me what's my favourite colour,” she says, “I say 2.15 microns” — the wavelength of the light absorbed by the frozen nitrogen on Pluto's surface. Planetary science: The Pluto siblings 2015-02-24T05:00:00Z In 2013 the winning car had a coating of vaporized metal while Colossus used front and rear aerofoils of laser sintered nylon and acetal resin wheels accurate to one micron. 'F1 in Schools' a class act for budding boffins 2015-01-27T05:00:00Z By melting the ice and filtering the water, they collected more than 3000 micrometeorites, tiny particles from space that were 10 microns in diameter or larger. Comet dust found in Antarctica 2014-12-05T05:00:00Z A micron equals 1,000 nanometers and is one-thousandth of a millimeter. Ultra-small U-M logo shows possible new drug delivery tool 2015-03-01T05:00:00Z The result, a sheet with a total thickness of less than two microns, is the photonic equivalent of a semiconductor: it does to light what a semiconductor does to electricity, namely manipulates its energy levels. A cool idea 2014-11-27T05:00:00Z Ebola is not known to be transmitted through aerosol, unlike tuberculosis and measles, two diseases that can be carried in tiny microns across long distances. Ebola, From the Tarmac to the Isolation Unit All together, this stack measures less than 200 microns thick. Octopus Skin Inspires Cool New Camouflage Sheet 2014-08-19T04:00:00Z The other four particles, much smaller at just a few tenths of a micron across, were found in aluminium foils located between the tiles. First dust grains from outside the Solar System 2014-08-13T04:00:00Z After peering through the microscope at a number of samples and trying to reconcile the dates, researchers will measure each ring to the nearest micron using a desktop device called a Velmex measuring stage. The World Trade Center Ship Gets Its Birth Date 2014-08-07T04:00:00Z Just 50 microns in diameter, the microbeads look like a fine, whitish powder. Invention Paves Way To Paints That Can Detect Corrosion And Patch It 2014-07-10T04:00:00Z Made of chitin, these Christmas Trees are just one micron high - one thousandth of one millimetre. Butterfly wings inspire cosmetics and bomb detectors 2014-07-08T04:00:00Z The resulting cloak was made of rods only about 40 microns long and 10 microns thick at their widest points, built around a cylinder 750 microns in diameter with walls 125 microns wide. Elastic Cloaking Material Makes Objects “Unfeelable” 2014-07-03T04:00:00Z Of the seven candidate interstellar particles, three — relatively large, at around two microns each — were found on the aerogel tiles of Stardust’s collector. First dust grains from outside the Solar System 2014-08-13T04:00:00Z The level of detail on each block is remarkable — the model was printed at a resolution of 16 microns. This massive 3D-printed model shows off San Francisco in amazing detail 2014-05-30T04:00:00Z He said the research required making sections only 20 microns thick, up to 3,500 for each of four brains, two from fetuses at 15 weeks of development and two from about 21 weeks. The Map Makers: Brain-Mapping Milestones 2014-04-21T21:41:46Z Today, the city’s environmental protection bureau announced the amount of pollutants smaller than 2.5 microns in diameter . How the Ukraine Crisis Could Help Clear Beijing's Smog 2014-04-10T14:45:39Z PM10 is shorthand for particulate matter that is less than 10 microns in diameter. Should public transportation be free in cities with bad air quality? 2014-03-14T11:53:54Z But the researchers say it's possible to shrink them down to less than a micron wide, an imperceptible size. Crack Researchers Create Gutsier Glass 2014-02-05T04:59:00Z PM 2.5 and PM 10 are two types of pollution involving particles too small to see with the naked eye - less than 2.5 or 10 microns in diameter. China's tech hope to fix smog crisis 2014-01-07T01:10:47Z "We will be printing things in the order of tens of microns or more like hundreds of microns, and then cells will undergo their biological developmental response in order to self-organize correctly," Williams said. Lab-Made Heart Represents 'Moonshot' for 3D Printing 2013-11-20T16:15:03.253Z The Mini Metal Maker currently prints at a resolution of 500 microns, but the team plans to improve to 200 microns before shipping it to Indiegogo backers. A Sub-$1,000 3D Printer for Metal 2013-11-13T18:16:39Z PM is described by the size of the particles, measured in micrometers or microns. Should public transportation be free in cities with bad air quality? 2014-03-14T11:53:54Z Silicon solar cells are about 160 micron thick these days, and many companies and research institutions are working on making them thinner to reduce the production cost while also improving their efficiencies. The New Publicly Funded Solar Projects You Should Care About 2013-10-22T21:44:00Z X-ray analysis revealed gold particles up to about 8 microns wide in cells from the trees, or about 10 times thinner than the average human hair. There's Gold in Them Thar Trees 2013-10-22T19:45:00.483Z At the smallest, they're about 100 microns wide, about the width of a human hair, at which point they hand off their power to conventional electrical wires. How IBM Is Making Computers More Like Your Brain. For Real 2013-10-18T14:45:00.430Z The so-called reservoir rocks such as sandstone are filled with tiny holes known as pore spaces which are microns in size, into which the CO2 is forced, eventually bonding to the rock. Construction Begins on New Carbon-Capture Plant 2013-10-03T22:15:00.650Z That is, very mix of very fine particles less than 2.5 microns in diameter. Should public transportation be free in cities with bad air quality? 2014-03-14T11:53:54Z They vary in size from being a few nanometres to several microns across—that is from billionths of a metre to millionths of one. Climate science: Clouds of (slightly less) unknowing 2013-10-02T18:02:57Z At a width of eight microns they are fatter than . Computer made from tiny carbon tubes 2013-09-25T21:47:38Z Forestry Commission, each cluster of fungus produces hundreds of thousands of brown-black spores, each 15 to 35 microns in diameter. Rare Naked Ladies Crocus Infected with Even Rarer Smutty Fungus 2013-07-31T03:45:04.097Z They noticed many of their pieces of debris sported surface pits around two microns across. Marine ecology: Welcome to the plastisphere 2013-07-18T15:04:03Z In each mesocosm, one plant was surrounded by a mesh penetrated by holes half a micron across. Plant communications: Beans’ talk 2013-07-04T15:04:16Z By comparison, BigBrain, with its 20 micron resolution, comprises about a terabyte of data. Scientists create high-resolution 3-D atlas of human brain 2013-06-20T23:14:23Z The device, which is expected to ship to customers this summer, is a bit like the Xbox Kinect, only about 200 times more accurate: Leap's sensors track finger movement within 10 microns. The Device That Could Change the Way We Use Computers 2013-05-29T13:00:00Z The brain is then extracted, frozen and shaved into wafers, microns thin, by a device resembling a mini cold-cut slicer. Unexcited? There May Be a Pill for That 2013-05-22T11:01:03Z In comparison, the average human hair is roughly 100 microns or millionths of a meter wide. Cicada Wings Are Self-Cleaning 2013-04-29T21:15:00.223Z The result is a wire a mere 20 microns across, instead of 50 microns. Printing batteries: Total extrusion zone 2013-04-18T15:03:04Z Monkey studies suggest that particles one to two microns in diameter are the most dangerous. Ricin is a potent but little-known bioterrorism agent 2013-04-18T00:16:42Z We are talking about tiny traces, millionths of a micron, it's really minuscule. One in five French bottled waters contain 'drugs or pesticides' 2013-03-25T16:35:42Z They built a small channel only tens of microns wide, on the scale of a human hair, and sent plasma flowing through the miniature canal. Blood Plasma Found to Have Stretchy Properties 2013-03-04T16:15:00.263Z The picture is of a piece of tissue only 100 microns across. The American Association for the Advancement of Science: mapping the brain: Only connect 2013-02-21T16:03:39Z It will remove algae and other biological matter as small as two microns. iRobot Cleans Your World -- Floors, Gutters, and Pool. What's Next? 2013-01-04T20:45:21Z The katydid's entire ear spans just 600 microns, a U.K.-based research team reports in the November 16 issue of Science. Bug-Eared: Human and Insect Ears Share Similar Structures 2012-11-19T17:15:05.337Z The ban in 2009 allowed the use of biodegradable plastic of 40 microns or thicker, under the theory that heavy-duty plastic bags are used again and again, not disposed of. India Ink: In Delhi, a Blanket Ban on Plastic Bags Starts This Week 2012-11-19T07:35:58Z A human hair is about 100 microns wide. Moore's Law: The Rule That Really Matters in Tech 2012-10-16T15:15:04.937Z The sheen, only microns thick, varies in size. Deepwater Horizon pipe 'responsible for new oil slick in Gulf of Mexico' 2012-10-12T16:03:32Z One government expert said the thin sheen, just microns thick, was 3 miles by 300 yards on Wednesday. Oil in new Gulf slick matches that of 2010 spill 2012-10-11T02:24:41Z A spatial resolution of a few microns should be good enough to count the number of photons in the cavity. Cavity Quantum Electrodynamics 2012-10-09T20:45:02.517Z Physically, the superposition of energy levels manifests itself as a “wave packet” that circles the nucleus at an atomically huge distance of about half a micron. Bringing Schrödinger s Cat to Life 2012-10-09T18:15:11.620Z In decades past, Moore himself was worried about how to manufacture chips with features measuring 1 micron, then later chips with features measuring 0.25 microns, or 250 nanometers. Moore's Law: The Rule That Really Matters in Tech 2012-10-16T15:15:04.937Z It will be 55 storeys high on lift-off, and as wide as a football field when fully inflated in the stratosphere; but the membrane itself will be just 20 microns thick. A man on ledge, 23 miles up and no fear 2012-10-08T07:39:46Z They say that 3D printers can create objects with "micron accuracy" that would otherwise be more complicated and costly to build. Disney develops 3D-printed toys 2012-10-03T17:28:21Z Picture of robot-only factory: "We now measure in microns.. the only way to deliver this level of quality." iPhone 5 launch: live coverage of the Apple event 2012-10-01T12:38:11Z Shrinking transistors, now with features less than a micron in size, may also lead to insights about the quantum-classical changeover. Bringing Schrödinger s Cat to Life 2012-10-09T18:15:11.620Z The turbine blades for its aircraft engines operate to approximately 10 microns of tolerance, or a fraction of the width of a human hair. In Orgreave, hope rises from the fields where miners fought and lost 2012-07-07T23:05:54Z Its infrared detectors will be sensitive to wavelengths of light in the range from five to 10.4 microns. Asteroid hunting mission unveiled 2012-06-29T02:46:02Z What It Is: This flexible, curved glass made by Corning, the company famous for making the display in many new smartphones, is only 100 microns thick. 6 Cutting-Edge Gadgets to Watch 2012-06-12T23:08:22Z Picture of robot-only factory: "We now measure in microns.. the only way to deliver this level of quality." iPhone 5 launch: live coverage of the Apple event 2012-10-01T12:38:11Z The researchers modeled how the carbon dioxide would percolate through the rock and included the rate of injection and details of porous rock absorption characteristics down to the micron scale in their calculations. Green Blog: Imagining Emissions in Underground Exile 2012-03-21T17:59:20Z “Fifteen years ago, piston rings would show perhaps 50 microns of wear over the useful life of a vehicle,” Mr. Sorab said, referring to the engine part responsible for sealing combustion in the cylinder. As Cars Are Kept Longer, 200,000 Is New 100,000 2012-03-16T21:52:57Z It consists of a disk with holes around its edge hanging horizontally from a cord, microns above another, similarly perforated plate. Cosmology: The dark side of the universe 2012-02-16T15:59:48Z The smallest particles of pollution, those finer than 2.5 microns in diameter — or about one-thirtieth the width of a human hair — are particularly effective at infiltrating the body, the researchers noted. Well Blog: Air Pollution Linked to Heart and Brain Risks 2012-02-15T15:31:54Z Tremendous shear forces rip the droplets down to just a few microns. Making Liquids Go Bipolar 2012-02-10T14:45:02.257Z Those minute variations -- as small as 1 micron -- allow scientists to measure changes in the mass of the Earth's surface. Satellites Help Scientists Quantify Ice Melt and Sea Level Rise 2012-02-09T19:15:13.780Z As a benchmark, a human hair is 200 microns thick. As Cars Are Kept Longer, 200,000 Is New 100,000 2012-03-16T21:52:57Z It refers to the smallest solid particles in the atmosphere—those less than 2½ microns across. Pollution in China: Clearing the air 2012-02-09T16:02:40Z Researchers can detect changes of just one micron changes between the two satellites, giving them new insights into the dynamics of the Earth’s aquifers and glaciers. Green Blog: From 2 Satellites, the Big Picture on Ice Melt 2012-02-08T20:48:34Z That is really, really tiny: The width of a human hair is about 100 microns. Observatory: Euryarchaeota Has Never Been Seen, but Now Its Genome Has 2012-02-07T00:20:08Z The team found that Androctonus armour is covered with dome-shaped granules that are 10 microns high and between 25 and 80 microns across. Biomimetics: Not a scratch 2012-02-02T16:03:12Z Levels of so-called PM 2.5, for the 2.5 micron size of the particulates, are nearly five times the threshold where they become unsafe for human beings. India Ink: India's Air the World's Unhealthiest, Study Says 2012-02-01T12:16:29Z Chinese authorities now publish data that measure larger air particles of up to 10 microns in diameter. Beijing to Publish Better Air Data 2012-01-06T18:34:56Z The changes in speed will be as subtle as a fraction of a micron per second. Lunar probes to resolve mystery of moon's interior 2011-12-30T17:43:40Z Mr. Iverson and his colleagues gathered seawater from the sound near Seattle and filtered it so it contained only organisms smaller than 0.8 microns. Observatory: Euryarchaeota Has Never Been Seen, but Now Its Genome Has 2012-02-07T00:20:08Z It is the pits, which are three-quarters of a micron in diameter, three microns deep and arranged in a grid four-fifths of a micron apart, that do the trapping. Solar power: Building a better suntrap 2011-12-28T16:03:36Z The unit will cut ½ inch material with up to 100 microns accuracy. New Open Source Laser Cutter Hits Market 2011-12-12T19:37:56Z The following list ranks the 17 cities with the highest annual mean concentration of fine particulate matter – particles smaller than 2.5 microns. World's Most Dangerous Places to Breath 2011-10-01T17:21:38Z A micron is about the width of a red blood cell. Lunar probes to resolve mystery of moon's interior 2011-12-30T17:43:40Z This layer, only about 20 microns thick—about a fifth the width of a human hair—then sets, with the help of ultraviolet light that triggers the transition from liquid to solid. 3-D Printing Gets Ahead: How Does a Printer Make a Fossil? 2011-09-19T12:15:05.410Z A tracking system aboard the ships will measure any change in range between the two within a difference of a few microns — or about the size of a red blood cell. Two spacecraft head to the moon 2011-09-13T08:55:00Z The result is a 3D image with a resolution of 40 microns. Prospecting for oil: Grains of truth 2011-07-27T17:30:46Z Most marine creatures smaller than three millimeters and larger than 30 microns swim in a corkscrew. Turning to Biomechanics to Build a Kinder, Gentler Rib Spreader 2011-05-16T22:14:23Z If those tests are successful, the eventual plan is to fly an e-sail craft that will unfurl a circular array of up to 100 20-kilometer-long conductive filaments only 25 microns thick, Janhunen says. Sail E-way: Spacecraft Riding the Solar Wind on Electric-Field Sails Could Cruise at 180,000 Kph 2011-02-14T12:15:00.867Z A mote that is 1 micron in diameter, the size of a bacteria, will fall just 30 microns a second. Speck by Speck, Dust Piles Up 2011-02-10T05:00:08Z These zircon crystals are about 100 microns long, and show internal structures related to their growth. Scientist at Work: Rocks, Zircon Zapping and a Big Shrimp 2011-01-07T21:02:35Z That brings the resolution to half a micron, or 500 nanometres. Prospecting for oil: Grains of truth 2011-07-27T17:30:46Z Soot, also known as black carbon, is made of particles less than a micron wide resulting from incomplete, inefficient combustion. Subcontinental Smut: Is Soot the Culprit Behind Melting Himalayan Glaciers? 2011-01-05T22:15:55.447Z The prototypes are quantum cascade lasers emitting an optical power of 5 milliwatts at a wavelength of 10 microns. Capasso Lab Demonstrates Highly Unidirectional 'Whispering Gallery' Microlasers 2010-12-14T16:00:00Z And many of the particles created by cooking, which is a leading source of indoor dust, measure less than half a micron across. Speck by Speck, Dust Piles Up 2011-02-10T05:00:08Z To get into your lungs, the particles need to be very small," he says, "between 1 to 5 microns in diameter.... Salt room therapy on shifty ground 2010-08-06T17:22:00Z Those pieces went to pathologists in Montreal, who made slices 6 microns thick — thinner than a human hair — and stained them with an antibody that attaches to plaque. Hospice Patients Aid in Research 2010-06-24T01:36:00Z The layer of oil on the surface is thin, measured in microns in most places and as thick as 0.1 millimeters in others, so skimming is a slow process. Crews attack Gulf Coast oil spill with old techniques 2010-05-03T18:26:00Z The incisions reached a depth of 70 microns, or about the thickness of eight cells. U.S. Defender Has Clear View of World Cup 2010-05-01T19:00:00Z But at a site 50km east of the eruption, 24% of the ash falling to the ground was in the form of particles 10 microns or less in size. Green.view: Could be worse 2010-04-20T12:59:00Z The device consists of a flat plate patterned with holes, each on the order of microns, or one-millionth of a meter. Adhesive Bond Strong Enough to Hold a Human 2010-02-25T22:39:00Z The beads are one or two microns across - that's 100 times thinner that a human hair. Tiny ear listens to hidden worlds 2010-02-26T08:56:00Z Smaller dust particles — from 28 to 49 microns, or thousandths of a millimeter — tend to stay on your shoes. What's in Household Dust? You Don't Want to Know 2010-02-23T09:30:00Z There are also certain special units, such as the hectare, which is equal to a square hectometre, and the micron, which is 1⁄1000 of a millimetre. Encyclopaedia Britannica, 11th Edition, Volume 2, Slice 5 "Arculf" to "Armour, Philip" The man who studies bacteria measures by the micron, 25,000 of which go to the inch. Rustic Sounds and Other Studies in Literature and Natural History It is easy to construct a spectroscopic grating in this way with fine lines whose distance apart is of the order of a micron, separated by clear spaces. The Mechanism of Life Cause.—The bacillus, which has been invariably demonstrated in the intestinal lesions and mesenteric lymph glands in this disease, is a rod about 2 to 3 microns long and 0.5 micron wide. Special Report on Diseases of Cattle They have all been measured with the greatest care, a specially small unit of length, called a micron, having been invented for the purpose. The Harmsworth Magazine, v. 1, 1898-1899, No. 2 Traces were thus detected of solar heat distributed into bands of transmission alternating with bands of atmospheric absorption, far beyond the measurable limit of 5·3 microns. A Popular History of Astronomy During the Nineteenth Century Fourth Edition But with the destruction of the planet an almost certainty, the collective nervous system was just one micron away from explosion. Alien Offer Many tissues have this lined or striated structure and exhibit interference colours like those of the periodic precipitates, their structure showing alternate transparent and opaque lines, whose width is of the order of a micron. The Mechanism of Life Emerald Green.—A highly chromatic and extraordinarily luminous green of the color of the spectrum at wave length 0.524 micron. A Color Notation A measured color system, based on the three qualities Hue, Value and Chroma Bacteriology.—The sporotrichum is 2 microns thick, cylindrical and segmented, having more or less branching threads, which bear spores at the end. Special Report on Diseases of the Horse If you set off one hundred successive atom blasts over a lump of permallium, you might crystallize and scale maybe a micron off the surface. The Stutterer Transverse, sagittal, and horizontal sections were cut, their thickness varying from five to thirty microns, depending upon the size of the embryos. Development of the Digestive Canal of the American Alligator You cannot see into its substance a millionth of a micron—the illusion of transparency being purely a surface phenomenon, and peculiar to this one form of substance. Skylark Three Yellow.—The color of gold and of light, of wave length 0.581 micron. A Color Notation A measured color system, based on the three qualities Hue, Value and Chroma The length of wave corresponding to the first spark-gap of Hertz was about 6 metres, and the longest waves perceptible by the retina are 7/10 of a micron. The New Physics and Its Evolution They are minute, and vary in diameter from 2 to 6 microns. The formation of vegetable mould through the action of worms, with observations on their habits |
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