| 单词 | voltage |
| 例句 | We’ll send you instructions on how to step down the voltage and put a new breaker in the line, but I'm sure you already know how. The Martian 2011-01-01T00:00:00Z Zora and I mouthed along with the next line: “Are you ready for some high voltage?” Middlesex: A Novel 2002-06-05T00:00:00Z “We always wanted to go to extreme of temperature, extreme of pressure, extreme of voltage, extreme of vacuum, extreme of something or other.” Big Science 2015-07-07T00:00:00Z Maniac could feel the voltage that surged through Mars Bar and crackled black lightning from his eyes. Maniac Magee 1990-01-01T00:00:00Z Anyway, what the scientists found out was that the rat or mouse would put up with a lot more voltage for the pleasure. The Perks of Being a Wallflower 1999-02-01T00:00:00Z More precisely, it appeared to solve the problem of how to produce high-energy particles without applying high voltages. Big Science 2015-07-07T00:00:00Z Even from across the room it is apparent that some very high voltage is crackling through his wires. Into the Wild 1996-01-01T00:00:00Z Lethal electric fences, however, use a continuous current that can make a person lock on to the wire as voltage causes involuntary muscle contractions, paralysis, and death. Escape from Camp 14: One Man's Remarkable Odyssey from North Korea to Freedom in the West 2013-03-26T00:00:00Z He droned on and on about dendrites and voltage gradients, but in my dream I couldn’t stop wondering how much of what I remembered about Jesse was truth and how much was fiction. We Are the Ants 2016-01-19T00:00:00Z In these cases, one mixes pseudorandom numbers from several computers, then incorporates the physical indeterminacy of randomly fluctuating voltages from a “white noise” source. Innumeracy: Mathematical Illiteracy and Its Consequences 1988-01-01T00:00:00Z They did this for a while, and the rat or mouse stopped going to get the food at a certain amount of voltage. The Perks of Being a Wallflower 1999-02-01T00:00:00Z The tragedy underscored the necessity of shielding the high voltages at play in the lab. Big Science 2015-07-07T00:00:00Z But the Dreamers have improved themselves, and the damming of seas for voltage, the extraction of coal, the transmuting of oil into food, have enabled an expansion in plunder with no known precedent. Between the World and Me 2015-07-14T00:00:00Z “I’d be happy to give you one. After what you did, I wouldn’t mind turning the voltage into the red.” Scythe 2016-11-22T00:00:00Z I believed, and still do, that our bodies are our selves, that my soul is the voltage conducted through neurons and nerves, and that my spirit is my flesh. Between the World and Me 2015-07-14T00:00:00Z These enormous, fleeting voltages made for pretty spectacles but not much else, however. Big Science 2015-07-07T00:00:00Z Getting the voltage right was a simple matter of adding resistors, which my electronics kit has in abundance. The Martian 2011-01-01T00:00:00Z The EVA suit has electronics, but it runs on very low voltage. The Martian 2011-01-01T00:00:00Z Then he would crank up the voltage again until another sharp report summoned him back inside. Big Science 2015-07-07T00:00:00Z Every component of the machine was disassembled, rebuilt, and reassembled, under the impetus to reach a new voltage threshold. Big Science 2015-07-07T00:00:00Z We were working so close to the camp’s electric fence that I could smell the singed air and feel the voltage it shed vibrating in my teeth. The Darkest Minds 2012-12-18T00:00:00Z The iron was one of those universal kinds that go on any voltage and I fitted it to the plug in the wall. Rebecca 1938-08-01T00:00:00Z With Park siphoning off current and funneling it to the ground, the level of voltage that Shin was exposed to as he crawled over his friend’s back was probably not close to being lethal. Escape from Camp 14: One Man's Remarkable Odyssey from North Korea to Freedom in the West 2013-03-26T00:00:00Z I managed to not kill myself today, even though I was working with high voltage. The Martian 2011-01-01T00:00:00Z Through von Rumpel’s mind sail visions of the Fiihrermuseum, glittering cases, bowers beneath pillars, jewels behind glass— and something else too: a faint power, like a low voltage, coming ofF the stone. All the Light We Cannot See 2014-05-06T00:00:00Z Tuve’s electrostatic accelerator would produce high voltages, all right, Lawrence told Brady. Big Science 2015-07-07T00:00:00Z Familiar examples include standardized weights and measures, electrical voltages and cables, computer file formats, and paper currency. The Sense of Style 2014-09-04T00:00:00Z While it’s never a disagreeable book, it’s hampered by a flatness that comes from our feeling that the author has deliberately wired things so the conflict will never rise above a certain voltage. The Brexit Romance: Finding Love in Irreconcilable Times 2020-10-13T04:00:00Z Crash his airplane into a high voltage cable and walk away from the wreckage unscathed. Design: The 'Diabolic' Carlo Mollino, Reanimated 2011-09-23T18:30:08Z The book draws some voltage from the coincidence of its creation with Christle’s pregnancy. “The Crying Book” Reveals How Tears Can Help Us, and How They Can’t 2020-01-08T05:00:00Z Almost a century on, Griffith's rabid, racist tour-de-force has lost none of its voltage. The Birth of a Nation: a gripping masterpiece … and a stain on history 2013-07-29T14:31:08Z It could be that the wiring is European, in which case it is not compatible with U.S. voltage, or it could be that the wire is dried out and brittle — a potential fire hazard. Before you buy a vintage light fixture, there are a few things you need to know 2016-02-22T05:00:00Z In an interview with the Today programme's James Naughtie, Seamus Heaney remembered how he felt when he first discovered poetry "It was the voltage of the language, it was entrancing," he said. AUDIO: Heaney: Poetry was 'entrancing' 2013-01-30T07:54:13Z But if you just roll over on to your hardbodied belly while I turn up the voltage, then I'm happy to give it another go. Fifty Shades of Grey: the digested screenplay 2012-06-12T17:30:01Z Adapters allow your U.S. appliance to plug into a European power outlet but don’t convert the voltage. Perspective | How to find the right adapters and converters for your next trip abroad 2018-10-04T04:00:00Z And when Mr. Dutoit is in his element, in music that demands coloristic breadth, precision and high voltage, the orchestra can be hard to match. Music Review: Philadelphia Orchestra at Carnegie Hall - Review 2011-10-26T23:41:47Z Still, how the voltage soars when he breaks into full-throttle dancing! Traditional Indian Dance, With Room for New Blood 2017-08-29T04:00:00Z It also required a voltage converter so it wouldn’t short out the German plugs or his medical equipment. Perspective | How to find the right adapters and converters for your next trip abroad 2018-10-04T04:00:00Z His prose has lost none of its Frankenstein voltage, its crumpled moral feeling or its scorpion’s sting. Books of The Times: ‘Martin Amis: The Biography,’ by Richard Bradford 2012-12-05T04:49:02Z The rest … well let's just say the next time we see Dillon he bears an odd blue hue and has taken to hurling voltage around the city. Comic-Con: 'Spider-Man stands for everyone: black, white, Asian, gay, straight, bisexual' 2013-07-20T07:05:00Z Whatever the voltage of that Troy review, Kauffmann spent a quarter-century in other pursuits before combining his cinephilia with his respect for film criticism. Stanley Kauffmann: The Old Master of Movie Criticism 2013-10-09T23:03:45Z It will take eight hours or so for a full charge from ordinary household current, much less with stepped-up voltage at charging posts that don't exist. Why Nissan's Electric Car Will Flop 2010-02-19T19:30:00Z Plugging into the current of electric guitar, he’s like a marionette jolted by high voltage. Review: ‘LUV: American-Style,’ a Rennie Harris Dance Work 2015-05-10T04:00:00Z Behind Mr. Crews’s blue eyes, you sensed voltage. Review: Harry Crews’s Sense of Menace in Writing and in Life 2016-05-11T04:00:00Z It can add voltage and glamour and a whole foot in height. Cate Blanchett: ‘I used to be very socially awkward’ 2015-11-07T05:00:00Z The influx changes the voltage inside the neuron. Science-fiction turns real: Genetically engineering animals for war 2013-03-23T19:00:00Z Which may explain the utter lack of voltage that has existed between these two characters from the get-go. 'Downton Abbey' Recap: What's That in Your Pocket? 2015-01-18T05:00:00Z It's an apt cover, surging with currency and voltage, just like Segall and his backing trio, which make a play for the weekend's standout performance. Pitchfork Day 3: Vampire Weekend, Ty Segall, Kendrick Lamar (and Lady Gaga?) 2012-07-16T05:11:00Z The voltage in that statement is that this is a person who’s been really wronged. “This is about a woman learning to trust her gut”: Sarah Hepola on “Blackout” and the lessons of sobriety 2016-06-08T04:00:00Z Instead, the Moog enables the guitarist to sustain tones or alter their color and shape through the fingertips, much as a classical guitarist does – but with considerably more voltage. Switched-on guitar: Fareed Haque meets the Moog 2011-01-24T14:43:52Z A surge protector does the same, while also protecting those devices from a voltage spike. Hints From Heloise: Unload the code for the abode 2015-02-03T05:00:00Z Her previous work was mostly obsidian, but now has added variegated pigmentation and objects such as hair bows and beads that give the paintings more visual voltage. What to See in N.Y.C. Galleries in August 2023-08-03T04:00:00Z From the first, the nonstop intricacy of the meters raised the voltage. Dance Review: Downtown Dance Festival and Battery Dance Company 2012-08-12T22:01:26Z Also, ensure the AC adapter has the correct voltage. How do I swap Apple for Android? Your tech questions answered 2012-12-16T00:05:35Z What about the propagation of voltage fields associated with nerve impulses? Our godless brains: Emerging science reveals mind-blowing alternatives to a higher power 2014-04-26T20:00:00Z This means it can accept any voltage between 100 and 240 at either 50 or 60 cycle. Five Things to Leave at Home on Your Next Trip 2018-10-11T04:00:00Z As the rock historian Richie Unterberger put it, “He was crucial in upping the voltage from high-powered R&B into the similar, yet different, guise of rock ’n’ roll.” Little Richard, Flamboyant Wild Man of Rock ’n’ Roll, Dies at 87 2020-05-09T04:00:00Z Flawlessly presented here, its thematic material sounded genuinely distinguished, yet the electric charge of Wagner's first theatrical showstopper flowed at high voltage. Proms 16 & 17: CBSO/Nelsons; SCO/Boyd 2010-07-30T11:09:00Z There was voltage in his eyes: He was a storied raconteur; women wanted to be around him. The Life of Robert Stone, Who Captured American Energies in Intense, Foreboding Novels 2020-03-09T04:00:00Z That, in turn, allowed the formation of a strong voltage gradient across their boundaries. Heart of the matter 2015-04-30T04:00:00Z Severinsky's bright idea was to run the electric motor on a high voltage--say, 40 times the 14 volts that is standard for the electrical system in a gasoline car with a 12-volt battery. Toyota's Other Legal Mess 2010-06-10T15:40:00Z He will be too curious, he will persevere out of the voltage of his affection. My father, the woman 2012-06-15T23:30:00Z His red-cheeked flame typically burns too bright for realism, though he does sometimes adapt to a slightly lower voltage, as in the fact-based political drama “Oslo.” Review: In This Solo ‘Christmas Carol,’ the Night Is Never Silent 2022-11-21T05:00:00Z The authors propose imaging the activity of neurons using voltage sensors – indicators that light up when the electrical potential of a cell changes. President Obama's brain map project is hardly the next Human Genome 2013-04-02T18:48:29Z The on-set projector, flown overseas after being used at Barrow Street, proved to be a challenge, and not just because London theaters run on a different voltage than those in the United States. How Long Is ‘The Flick’? It Depends on the Seats 2016-05-26T04:00:00Z It gets a little complicated because there are multiple plug types and varying voltages. Perspective | How to find the right adapters and converters for your next trip abroad 2018-10-04T04:00:00Z The high voltage of her every performance is extraordinary; her stage hunger is unmatched. New Faces (and Bodies) in Classic Roles at New York City Ballet 2017-02-02T05:00:00Z Not much fazes him, as a lightning-wielding villain discovers as she pounds him with enough high voltage to power a house. “The Tick” struggles as it pits lunacy against modern ideas of comic book gravitas 2017-08-24T04:00:00Z The voltage in his head is not the same as in ours. Paul Muldoon Collects His Poetic, Allusive, Satirical Thoughts 2016-11-22T05:00:00Z Such hectic inventiveness is not without its downsides, as when the constant push to up the voltage turns the Why of plot and character into an arbitrary Why Not? Stories That Look Askance at the American Midwest 2018-04-27T04:00:00Z He had plans to construct a multiple wave oscillator that would utilize a high voltage Tesla coil to rejuvenate biological tissue. Finding Yourself in Los Angeles 2018-07-23T04:00:00Z The surge protector will help protect against a sudden increase, or surge, in voltage. Hints From Heloise: Stem the surge for appliances 2016-09-25T04:00:00Z For those devices you may need a voltage converter, but more than likely, it may not work even if you have one. Five Things to Leave at Home on Your Next Trip 2018-10-11T04:00:00Z Suffice it to say that there is a good deal of voltage, both effective and wearying, thrumming through Lucas Kavner’s “Fish Eye.” | 'Fish Eye': Friends With Entanglements, Hoping for Benefits 2011-06-10T23:40:01Z As television, the inauguration showed the degree to which Trump dims in voltage when alienated from the particular tools of his trade. On TV, Trump’s Inauguration Made Him Seem Small 2017-01-20T05:00:00Z Georgetown’s tartan of canals and colonial wood, with its Indian and Creole food scene, is close enough to carry the voltage. 'My romantic holiday’: the good, the bad and the calamitous 2018-02-10T05:00:00Z In one study, those who lived within 50 meters of a high voltage power line were significantly more likely to develop Alzheimer’s disease when compared to those living 600 meters or more away. Your cellphone is killing you: What people don’t want you to know about electromagnetic fields 2014-04-12T13:45:00Z "I'll mostly be relaxing, meditating and playing with my daughter ... and trying not to deprive myself of sleep," the illusionist said at a Tuesday press conference after demonstrating the stunt at low voltage. David Blaine goes high voltage with latest stunt 2012-10-02T23:46:08Z There was a lot of voltage coursing through this episode. 'Justified' Recap: What, Exactly, Is Ava's Plan? 2015-02-16T05:00:00Z In fact, the novel's high voltage comes from their ignorance of feelings, of which the reader is sharply aware. Jane Austen, Game Theorist by Michael Suk-Youg Chwe – review 2013-06-12T09:01:01Z However, despite this high success rate, electroconvulsive therapy is frequently associated with frightening images of people receiving painful, high voltage shocks. New studies of brain activity explain benefits of electroconvulsive therapy 2023-11-16T05:00:00Z With Virginians divided over what Youngkin’s vision of parental rights means, many counties have found themselves facing school board races as pivotal and high voltage as the one in Spotsylvania. Virginia school board elections face a pivotal moment as a cozy corner of democracy turns toxic 2023-11-05T04:00:00Z In the past, scientists have also explored chloride-based solid electrolytes, known for their superior ionic conductivity, mechanical flexibility, and stability at high voltages. New designs for solid-state electrolytes may soon revolutionize the battery industry 2023-11-02T04:00:00Z Using defibrillators, commonly used on humans after a cardiac event, is not feasible on horses because the amount of voltage needed for a 1,000-pound-plus animal would put the person administering it at serious risk. Practical Move, top Breeders' Cup horse, dies at Santa Anita of apparent cardiac event 2023-10-31T04:00:00Z Controlling magnetism using voltage instead of electric currents has become a very important control method to improve energy efficiency in many devices, since currents heat up circuits. Wireless device makes magnetism appear in non-magnetic materials 2023-10-30T04:00:00Z "The VSD domain responds to the change in voltage by pushing its rodlike S4 helix inwards. This clears the way for ion exchange by SLC9C1, ultimately initiating sperm motility," says David Drew. Sperm's secret voltage switch: Scientists unlock the mystery of motility 2023-10-25T04:00:00Z The hotspot, in turn, generates two voltage pulses traveling in opposite directions along the readout wire, which are recorded by detectors at either end. Highest-resolution single-photon superconducting camera 2023-10-25T04:00:00Z "The integration of two disparate materials into one device allows us to strongly modulate the current flow with applied voltages, enabling dynamic reconfigurability," Hersam said. AI just got 100-fold more energy efficient 2023-10-12T04:00:00Z The chip they developed can be reconfigured by adjusting the voltages of electrodes, which creates various light propagation paths in the quadrilateral network. New easy-to-use optical chip can self-configure to perform various functions 2023-10-11T04:00:00Z To do this, researchers placed the sample of magnetic material in a liquid with ionic conductivity and applied the voltage to the liquid via two platinum plates, without connecting any wires directly to the sample. Wireless device makes magnetism appear in non-magnetic materials 2023-10-30T04:00:00Z When the researchers applied a voltage to the graphene bilayers in the magnetic field, the microscope recorded the tiny current from the electrons that "tunneled" out from the material to the microscope probe tip. Twisted science: New quantum ruler to explore exotic matter 2023-10-05T04:00:00Z However, electrophysiology experiments showed that these inhibitory synapses are very effective: They are about ten- to 20-fold stronger than activating synapses, so despite being outnumbered, they can cause similar voltage changes. Distributed workload in the fly brain 2023-10-02T04:00:00Z Next the team tried an application of voltage followed by a lighter flame, which did ignite. Scientists unveil fire-safe fuel 2023-09-28T04:00:00Z After each training iteration, the chip updates the voltages of all the adjustable electrodes -- rather than the value of a single variable -- which further improves the convergence rate of cost function. New easy-to-use optical chip can self-configure to perform various functions 2023-10-11T04:00:00Z In recent years, much research has been carried out to implement protocols for applying voltages to carry out this control, but always through electrical connections directly on the materials. Wireless device makes magnetism appear in non-magnetic materials 2023-10-30T04:00:00Z The group's measurements revealed that as voltage increases in the battery, the SEI layer in all cases leaks electrons, making it semi-conductive. A new twist on rechargeable battery performance 2023-09-28T04:00:00Z The structure remained intact even at high cut-off voltages and throughout cycling, ensuring the batteries' structural integrity. Novel battery technology with negligible voltage decay 2023-09-28T04:00:00Z Adding more voltage to the liquid resulted in larger flames with more energy output. Scientists unveil fire-safe fuel 2023-09-28T04:00:00Z It examines phenomena such as electrode swelling and cut-off voltage during cell operation while considering calendar life, safety concerns, and cost implications -- all essential aspects that significantly impact practical cell design. Unlocking the potential of silicon anode materials for commercialized batteries 2023-09-28T04:00:00Z Whether the lines were fully de-energized — meaning they were not transmitting any electrical voltage — might still be in question, however. First congressional hearing on Maui wildfire to focus on island’s sole electric provider and grid 2023-09-27T04:00:00Z Their technology circumvents the traditional high voltage requirement for blue OLEDs, leading to potential advancements in commercial smartphone and large screen displays. Novel organic light-emitting diode with ultralow turn-on voltage for blue emission 2023-09-20T04:00:00Z The new development overcomes the persistent challenge of voltage decay and can lead to significantly higher energy storage capacity. Novel battery technology with negligible voltage decay 2023-09-28T04:00:00Z "It is much easier to control the flammability of our fuel and stop it from burning when we remove voltage." Scientists unveil fire-safe fuel 2023-09-28T04:00:00Z However, the researchers observed that the coverage of the SEI layer was incomplete at higher operating voltages, leading to hydrogen evolution. Researchers offer insights into solid-electrolyte interphases in next-gen aqueous potassium-ion batteries 2023-09-19T04:00:00Z This results in an electrical voltage -- the so-called thermoelectric voltage -- which counteracts the thermally excited movement of the charge carriers. Golden future for thermoelectrics 2023-09-18T04:00:00Z Therefore, there is an urgent need to develop novel blue OLEDs that can operate at lower voltages. Novel organic light-emitting diode with ultralow turn-on voltage for blue emission 2023-09-20T04:00:00Z This research was recently published in Nature Energy titled "A Li-rich layered oxide cathode with negligible voltage decay". Novel battery technology with negligible voltage decay 2023-09-28T04:00:00Z The newer models deliver a similar voltage but have a range of 45 feet and 10 metallic prongs instead of two, which can be fired individually to give officers better control and accuracy, Reina said. LAPD officers to test next-gen Taser with 45-foot range 2023-09-12T04:00:00Z The child's injuries were consistent with him having received a "high voltage of electricity", the force added. Boy, 10, dies after electric shock at Blackpool hotel 2023-09-08T04:00:00Z The ratio of the built-up thermoelectric voltage and the temperature difference defines the Seebeck coefficient, named after the German physicist Thomas Johann Seebeck, which is an important parameter for the thermoelectric performance of a material. Golden future for thermoelectrics 2023-09-18T04:00:00Z Conventional blue OLEDs typically require around 4 V for a luminance of 100 cd/m2; this is higher than the industrial target of 3.7 V -- the voltage of lithium-ion batteries commonly used in smartphones. Novel organic light-emitting diode with ultralow turn-on voltage for blue emission 2023-09-20T04:00:00Z The shutdown perturbed the voltage of electricity flowing across western Texas. The hidden digital roadblock that’s keeping green electricity off the U.S. grid 2023-09-06T04:00:00Z The problem came from a transfer switch that was not getting enough voltage to fire. Larson claims NASCAR’s opening playoff race and gets 1st career win at Darlington 2023-09-03T04:00:00Z So seeing the 2004 indie guitar classic performed at an increased voltage to a new audience who are probably hearing it live for the first time, has a galvanising effect. Leeds Festival: The Killers, Central Cee and 1975 close the weekend 2023-08-27T04:00:00Z Due to the particular electronic properties of the nickel atoms, positive charges are scattered more strongly than negative charges, resulting in the desired imbalance and hence a high thermoelectric voltage. Golden future for thermoelectrics 2023-09-18T04:00:00Z Recent generations of charge controllers have allowed for higher voltage and better performance under different conditions of light and shade. Can narrowboat owners break with fossil fuels? 2023-08-21T04:00:00Z In particular, these control systems are programmed to be “grid-following,” meaning they track the 60-hertz cycles of voltage on the grid and deliver power that matches it precisely. The hidden digital roadblock that’s keeping green electricity off the U.S. grid 2023-09-06T04:00:00Z In addition, he said, Azerbaijan has disrupted the supply of electricity through the only high voltage line between Armenia and Nagorno-Karabakh since Jan. 9. Armenia and Azerbaijan clash over plight of 120,000 people in Nagorno-Karabakh facing food crisis 2023-08-16T04:00:00Z The company’s plug-in household devices determine whether a fault is taking place on utility equipment through the magnitude of voltage swings. In search for Hawaii fires cause, lawyers probe power lines 2023-08-13T04:00:00Z However, we must work closely with Spen to ensure the repair can be carried out safely, due to the presence of the high voltage cables. Burst water main affects supplies in Leslie, Fife 2023-08-06T04:00:00Z The students used a technique called voltage glitching to hack Tesla’s infotainment system. Researchers claim to have discovered how to get Tesla upgrades without paying 2023-08-03T04:00:00Z These problems are more likely to pop up in parts of the grid that are far from old-style generators, which help maintain steady voltage and frequency—like conductors of an orchestra keeping everyone on tempo. The hidden digital roadblock that’s keeping green electricity off the U.S. grid 2023-09-06T04:00:00Z Goldman Sachs called innovation in batteries and the potential shift to higher voltage systems like Tesla's "the main threat to copper's EV demand leverage." Innovation in EVs seen denting copper demand growth potential 2023-07-07T04:00:00Z Derived from the concept of voltage or electricity, the series showcased a striking necklace in pink gold and coral, a material notorious for its fragility. Chloe confirms Gabriela Hearst is leaving, as eyes look toward Fendi show to cap couture 2023-07-06T04:00:00Z This voltage is similar to or even lower than that of a typical mammal’s electric field. You Really Are a Tick Magnet 2023-06-30T04:00:00Z By tampering with the voltage supply to the processor, the students were able to trick the car’s CPU into accepting manipulated code and enable the blocked features. Researchers claim to have discovered how to get Tesla upgrades without paying 2023-08-03T04:00:00Z In Australia, for example, Hiskens says authorities have noticed intermittent voltage oscillations in a part of the grid with lots of wind and solar farms. The hidden digital roadblock that’s keeping green electricity off the U.S. grid 2023-09-06T04:00:00Z It seemed a breakthrough because ions of lithium, the lightest metal, produced high voltage and worked at room temperature. John B. Goodenough, 100, Dies; Nobel-Winning Creator of the Lithium-Ion Battery 2023-06-26T04:00:00Z “I will be exposed to risks associated with high pressure gases, pure oxygen, high voltage systems which could lead to injury, disability and death,” Reiss said Thursday, going by memory. Tourist sub’s implosion draws attention to murky regulations of deep-sea expeditions 2023-06-23T04:00:00Z If the show gets a second season, it’s certain to ramp up the voltage. What if women were more powerful than men? Toni Collette finds out. 2023-06-12T04:00:00Z Levin, Vaibhav Pai of Tufts and their colleagues have shown that the development of neural structures in the frog brain seems to be governed by the voltage across the membranes of embryonic cells. Synthetic Morphology Lets Scientists Create New Life-Forms 2023-05-31T04:00:00Z Flexible electronic systems are already available, but they typically work only at high voltages that would be unsafe for wearable devices. Soft ‘Electronic Skin’ Mimics Our Sense of Touch 2023-05-23T04:00:00Z The arrangement also produced a higher voltage and made the battery far less volatile. John B. Goodenough, 100, Dies; Nobel-Winning Creator of the Lithium-Ion Battery 2023-06-26T04:00:00Z This voltage is called the resting membrane potential; it is caused by differences in the concentrations of ions inside and outside the cell and the selective permeability created by ion channels. Concepts of Biology 2013-04-25T00:00:00Z Owners of the vehicles received $625 each -- “many times the prorated value of the temporarily reduced maximum voltage,” according to a court filing. Tesla owners sue over impact of software update on EV batteries 2023-05-12T04:00:00Z Other factors could explain the surge in voltage, including the physical impact of raindrops on the mushrooms. Mushrooms can "talk" to each other — and they get extra chatty after a rain, study suggests 2023-05-09T04:00:00Z The low voltage meant that the electricity did not damage the cells in any way as a lightning bolt might. Electricity beats time when it comes to healing wounds, research finds 2023-04-19T04:00:00Z In addition, COLDArm’s motor controllers have been fitted with an updated voltage converter that can function in extremely cold environments without the added bulk of cables or insulation, McCormick said. How to build a robot arm that can flex in the moon’s frigid south pole 2023-04-11T04:00:00Z This will cause voltage dependent Na+ channels further down the axon to open and more positive ions to enter the cell. Concepts of Biology 2013-04-25T00:00:00Z These are used to convert electricity from high voltage during transmission to low voltage for distribution to consumers. How Ukraine Won the War to Keep the Lights On 2023-04-11T04:00:00Z Even this small level of precipitation was enough to create voltage spikes in some of the mushrooms. Mushrooms can "talk" to each other — and they get extra chatty after a rain, study suggests 2023-05-09T04:00:00Z SF6 is emitted from electrical insulation and high voltage equipment that transmits and distributes electricity. How the U.S. Cracked Down on a Potent Greenhouse Gas 2023-03-13T04:00:00Z The U.S. electric power grid is a network of power production stations, substations that adjust voltage up or down and transmission lines. Attacks on electric power grid expected to grow 2023-02-23T05:00:00Z Ion channels that change their structure in response to voltage changes are called voltage-gated ion channels. Concepts of Biology 2013-04-25T00:00:00Z “I suggest measuring the outlet voltage the computer is plugged into. In the United States it must be between 114 and 126 VAC.” Why you have to clear cache often | Q&A with Patrick Marshall 2023-02-04T05:00:00Z These vital hubs, where transformers turn high voltage electricity from power plants into lower mains voltage that businesses and homes can use, have been targeted over and over again. Ukraine war: On the front line with engineers working to fix stricken power grid 2023-02-03T05:00:00Z Pakistan's Energy Minister Khurram Dastgir had said in a tweet on Monday a "large voltage swing" in the south had "cascaded northwards" to cause a breakdown, but did not elaborate. Exclusive: Power surge crashes Pakistan grid, plunging millions into darkness 2023-01-26T05:00:00Z Pakistan's generators produced more power than was required on Monday, causing voltage fluctuations that culminated in a system collapse that plunged 220 million people into darkness, an internal government document reviewed by Reuters showed. More than 160 Afghans die in bitterly cold weather 2023-01-26T05:00:00Z Their channels are voltage dependent and will open when a slight change in the membrane potential triggers them. Concepts of Biology 2013-04-25T00:00:00Z At the same time, however, voltage also causes the solution to bubble, releasing chromium-laden vapors as they burst. California wants to ban the toxic chemical that gives chrome its classic shine 2023-01-26T05:00:00Z A couple of shallow craters in the field and a few low voltage lines draped across Ukraine's famously dark soil. Ukraine war: On the front line with engineers working to fix stricken power grid 2023-02-03T05:00:00Z Local officials said the outage began in southern Sindh Province after an unusual fluctuation in the voltage. Power Outage Sweeps Pakistan, Dropping Millions Into Darkness 2023-01-23T05:00:00Z When engineers tried to turn the systems back on, a “fluctuation in voltage” was observed, which “forced engineers to shut down the power grid” stations one by one, he added. Lights out in Pakistan as energy-saving move backfires 2023-01-23T05:00:00Z This opening allows sodium ions to enter the neuron and results in depolarization of the membrane—a decrease in the voltage across the neuron membrane. Concepts of Biology 2013-04-25T00:00:00Z “There was a fluctuation in voltage and the systems were shut down one by one. This is not a major crisis,” Dastagir told Geo TV news channel. Pakistan suffers major power outage after grid failure 2023-01-23T05:00:00Z Above him, colleagues in a cherry picker are hard at work, hauling a new high voltage line up to a pylon. Ukraine war: On the front line with engineers working to fix stricken power grid 2023-02-03T05:00:00Z When engineers tried to turn the systems back on, a “fluctuation in voltage” was observed, which “forced engineers to shut down the power grid” stations one by one, Dastgir said. Lights out in Pakistan as energy-saving move backfires 2023-01-23T05:00:00Z “There was a fluctuation in voltage and the systems were shut down one by one. This is not a major crisis,” Dastagir said. Pakistan suffers major power outage after grid failure 2023-01-23T05:00:00Z A family in California has tried for months to understand why their roof array was producing less than a third of the expected voltage, leaving them with light bills of $200 month. Cutting through customer service doom-loops by calling in a ‘Karen’ 2022-12-26T05:00:00Z There were localized brownouts — sharp drops in voltage — and “brief, intermittent power outages,” the authority said. Tennessee Residents Endure Blackouts and Are Warned to Save Power 2022-12-23T05:00:00Z With the solar panels out of commission, the batteries won’t generate enough voltage to keep the spacecraft’s instruments online, and the lander will power itself down. As NASA's Mars InSight mission comes to an end, JPL engineers say farewell to its twin 2022-12-20T05:00:00Z Lithuania's transmission grid operator has already sent hundreds of smaller transformers, which reduce the voltage as it travels from power station to end-user, and its gas grid has supplied spare parts to Ukraine. Eastern Europe holds the key to keeping Ukraine's power on 2022-12-21T05:00:00Z Ukraine's most urgent request, he said, is for equipment to keep its power grid operating, including transformers that handle "super high voltage" current. Russian strikes on Ukraine's grid fail to dim resistance - U.S. diplomat 2022-12-19T05:00:00Z A voltage detector or the LightKeeper tool’s built-in detector can help you quickly determine where this type of problem is. Advice | Why don’t the lights on my pre-lit tree work, and how can I fix them? 2022-11-30T05:00:00Z Graystone sells EV charge-equipped stalls at varying voltages so that the owner of, say, a small Nissan Leaf and a full-size Tesla can charge overnight and pay only for what they need. Making space at home for the next generation of cars | Produced by Seattle Times Marketing 2022-11-10T05:00:00Z Over on Mars, when the voltage in InSight’s batteries drops below the critical threshold, the lander will enter what its designers call “dead bus mode,” said Bruce Banerdt, the mission’s principal investigator. As NASA's Mars InSight mission comes to an end, JPL engineers say farewell to its twin 2022-12-20T05:00:00Z The substance was chosen for its ability to handle the voltage involved, but fires can happen if the batteries are overcharged, overheated, defective or damaged, for instance. EXPLAINER: Bikes, batteries and blazes spark concern in NYC 2022-11-07T05:00:00Z External power has been restored to Ukraine's Zaporizhzhia nuclear power plant two days after it was disconnected from the power grid after Russian shelling damaged high voltage lines, the U.N. nuclear watchdog said on Saturday. External power restored to Ukraine's Zaporizhzhia nuclear plant, IAEA says 2022-11-05T04:00:00Z Ukraine's Zaporizhzhia nuclear power plant has been disconnected from the power grid after Russian shelling damaged the remaining high voltage lines, leaving it with just diesel generators, Ukraine nuclear firm Energoatom said on Thursday. British envoy arrives at Russian foreign ministry after being summoned 2022-11-03T04:00:00Z Most have already bought their electric vehicles and assume installing a charger is a piece of cake — but Kraft says charger specifications and voltage requirements for EVs can vary. Making space at home for the next generation of cars | Produced by Seattle Times Marketing 2022-11-10T05:00:00Z They will divide the site into sections to keep the electric current and voltage low enough to avoid harming surrounding soil, vegetation, or fauna, He says. It’s electric! Technique could clean up mining of valuable rare earth elements 2022-11-01T04:00:00Z But the nuclear plant’s reserve transformer switched off “due to a short-term decrease in voltage” following the power cut, the company said, prompting the diesel generators to turn on. Generators switch back on at the Zaporizhzhia nuclear plant after a strike knocks out external power again. 2022-10-17T04:00:00Z The electricity generated by the Bhadla solar plant is at a high voltage, so cannot be directly supplied to local villages. India's solar powered future clashes with local life 2022-10-13T04:00:00Z They could then observe pulses of voltage shoot down the length of the neurons as they lay in a dish. Human Brain Cells Grow in Rats, and Feel What the Rats Feel 2022-10-12T04:00:00Z Frequent voltage surges on restoration of power have also led to a multitude of local faults in cables and transformers leaving some localities in the commercial capital Johannesburg without power for days. South African state utility reinstates rolling power cuts from Monday 2022-10-09T04:00:00Z The explosion was close to a nitrogen-oxygen facility and indirectly damaged a voltage transformer at one of the reactors, the statement said. The U.N. nuclear agency calls for the release of the Zaporizhzhia nuclear plant’s director general. 2022-10-01T04:00:00Z The electrons will have to drift as far as 3.5 meters, driven by a voltage of 180 kilovolts. Showdown: Two huge neutrino detectors will vie to probe matter’s origins 2022-09-28T04:00:00Z "Plant employees at all levels will require training to ensure they can work safely alongside the high voltage systems," JLR said. Jaguar Land Rover sets out to train workers, dealers for EV world 2022-09-27T04:00:00Z “We monitor each of the cells individually. We have a sensor that keeps track of the cell voltage,” said Davis. First U.S. all-electric airplane takes flight at Moses Lake 2022-09-27T04:00:00Z As the demand exceeds supply, there’ll be a voltage drop, and the power plants get out of sync with the grid. How California Kept the Lights On during Monster Heat Wave 2022-09-16T04:00:00Z An extremely sensitive electrical sensor measured the amount of voltage required to keep each object stationary. Strictest test yet of general relativity confirms feathers and bowling balls really do fall at the same rate 2022-09-14T04:00:00Z “Unfortunately, today these higher voltage, longer lines across multiple jurisdictions are not getting built,” the summary said. Manchin’s big energy deal draws pushback from many Dems 2022-09-09T04:00:00Z Silicon carbide power chips have been gaining traction with electric car makers as they can handle high voltages and are more power efficient. Chip maker Wolfspeed to build new U.S. factory to meet surging EV demand 2022-09-09T04:00:00Z During charging, the applied voltage pushes electrons into the graphite, attracting lithium ions from the other electrode, the cathode. California’s move to phase out gas-powered cars could spark battery innovations 2022-09-06T04:00:00Z A squirrel chewed through high voltage cables close to a pylon, sparking a field blaze, a fire service said. Westoning: Field fire caused by cable-chewing squirrel 2022-08-23T04:00:00Z If one of the objects were to accelerate faster than the other, it would need a higher voltage to keep it place. Strictest test yet of general relativity confirms feathers and bowling balls really do fall at the same rate 2022-09-14T04:00:00Z Van de Graaffs utilize both smooth and pointed surfaces, and conductors and insulators to generate large static charges and, hence, large voltages. College Physics for AP Courses 2015-08-12T00:00:00Z Silicon carbide power chips have been gaining traction with electric car makers as they can handle high voltages and are more power efficient. Chip maker Wolfspeed to build new U.S. factory to meet surging EV demand 2022-09-09T04:00:00Z Like other galvanic cells, dry cells may be connected in series to yield batteries with greater voltage outputs, if needed. Chemistry 2019-02-14T00:00:00Z It is the net change in postsynaptic membrane voltage that determines whether the postsynaptic cell has reached its threshold of excitation needed to fire an action potential. Biology for AP Courses 2022-06-09T00:00:00Z Electricity voltage may meet some average level, but great variability, spikes, can cause serious damage to electrical machines, especially computers. Introductory Business Statistics 2017-11-29T00:00:00Z Nevertheless, voltages of 15 million volts are well within practical limits. College Physics for AP Courses 2015-08-12T00:00:00Z The devices enable safer charging, the company says, because high voltage is eliminated at the pedestal or wall box while vehicles are not charging. Korea’s SK invests $100 million in EV-focused startup Atom Power 2022-08-18T04:00:00Z Use the Nernst equation to explain the drop in voltage observed for some batteries as they discharge. Chemistry 2019-02-14T00:00:00Z The action potential is transmitted along the neuron as a voltage wave. Biology for AP Courses 2022-06-09T00:00:00Z The trees distributed the electricity to all four victims of the strike with a ground current, which is why the voltage moved through Ms. Escudero-Kontostathis’ boot. Rubber-soled boots may have saved woman’s life during White House lightning strike, her mom says 2022-08-09T04:00:00Z These simple relationships between accelerating voltage and particle charges make the electron volt a simple and convenient energy unit in such circumstances. College Physics for AP Courses 2015-08-12T00:00:00Z There’s also very fast wired charging on board — 125W in the US, and it only stops there because our power outlets aren’t designed to handle higher voltages. OnePlus 10T review: call it a comeback 2022-08-03T04:00:00Z This property is more commonly called voltage when referenced in regard to electrical applications, and it is a measure of energy accompanying the transfer of charge. Chemistry 2019-02-14T00:00:00Z This voltage is called the resting membrane potential; it is caused by differences in the concentrations of ions inside and outside the cell. Biology for AP Courses 2022-06-09T00:00:00Z When the cycles are disrupted, protective equipment is tripped, which impacts voltage stability and throws the entire grid off-balance. Solar storm could bring both aurora lights and electrical issues 2022-08-02T04:00:00Z Note that both the charge and the initial voltage are negative, as in Figure 19.5. College Physics for AP Courses 2015-08-12T00:00:00Z According to the recall, the high voltage battery “may have internal damage,” which can result in an electrical short circuit. BMW recalls "small number" of i4 and iX electric vehicles over potential battery fires 2022-08-01T04:00:00Z If the inputs were swapped, the reported voltage would be +0.47 V. Chemistry 2019-02-14T00:00:00Z At excitatory synapses, this opening allows positive ions to enter the neuron and results in depolarization of the membrane—a decrease in the difference in voltage between the inside and outside of the neuron. Biology for AP Courses 2022-06-09T00:00:00Z Kirchhoff’s voltage rule states that the sum of the voltage drops around any closed loop must be zero. Calculus, Volume 3 2016-03-30T00:00:00Z The large speed also indicates how easy it is to accelerate electrons with small voltages because of their very small mass. College Physics for AP Courses 2015-08-12T00:00:00Z The voltage drop across the inductor is given by EL = Li′ = 0.4i′. Calculus, Vol 2 2016-03-30T00:00:00Z When high voltage was applied across the electrodes, a visible beam called a cathode ray appeared between them. Chemistry 2019-02-14T00:00:00Z Once depolarization is complete, the cell must now "reset" its membrane voltage back to the resting potential. Biology for AP Courses 2022-06-09T00:00:00Z All power plants have transformers, which are mainly used to increase the voltage of electricity generated to send over transmission lines, said Jordan Kern, an assistant professor of natural resources at North Carolina State University. Officials investigate after fire, explosion at Hoover Dam 2022-07-20T04:00:00Z Those higher voltages produce electron speeds so great that relativistic effects must be taken into account. College Physics for AP Courses 2015-08-12T00:00:00Z Kirchhoff’s Loop Rule states that the sum of the voltage drops across resistors, inductors, and capacitors is equal to the total electromotive force in a closed circuit. Calculus, Vol 2 2016-03-30T00:00:00Z At low temperatures, this term is decreased, resulting in a lower cell voltage provided by the battery to the device—the same effect as a battery running dead. Chemistry 2019-02-14T00:00:00Z These unmyelinated spaces are about one micrometer long and contain voltage gated Na+ and K+ channels. Biology for AP Courses 2022-06-09T00:00:00Z Revenues in Brazil were boosted by a strong performance in electric and low voltage motors, highlighting sectors such as renewable energy generation, power transmission and distribution. Brazil's WEG net profit falls, supply chain hurdles weigh on margins 2022-07-20T04:00:00Z What, then, is the maximum voltage between two parallel conducting plates separated by 2.5 cm of dry air? College Physics for AP Courses 2015-08-12T00:00:00Z Applying Kirchhoff’s Loop Rule to this circuit, we let E denote the electromotive force supplied by the voltage generator. Calculus, Vol 2 2016-03-30T00:00:00Z When an electric voltage is applied to the gel, DNA molecules—which are negatively charged—move toward the positive end of the gel. Miller & Levine Biology 2018-01-01T00:00:00Z When Ca2+ is released in response to the change in voltage, it binds to actin, causing actin filaments to shift position and revealing myosin binding sites for the cross-bridges. Biology for AP Courses 2022-06-09T00:00:00Z The firefighters discovered that as the helicopter fell from the sky it struck high voltage power lines, which had to be de-energized before they could put out the fire, the fire association said. A Helicopter Crashed on a Tractor. Its Operator Saved the Pilot. 2022-07-13T04:00:00Z This limits the voltages that can exist between conductors, perhaps on a power transmission line. College Physics for AP Courses 2015-08-12T00:00:00Z The voltage drop across the resistor is given by ER = Ri = 5i. Calculus, Vol 2 2016-03-30T00:00:00Z Higher voltages allow for increased ability to store energy but even small increases have also tended to drive outsized declines in battery performance. EXCLUSIVE Tesla supplier Panasonic eyes 20% jump in battery density by 2030 2022-07-13T04:00:00Z This reduces the voltage difference between the inside and outside of the cell, which is called depolarization. Biology for AP Courses 2022-06-09T00:00:00Z Because sodium is a positively charged ion, it will change the relative voltage immediately inside the cell relative to immediately outside. Anatomy and Physiology 2013-06-19T00:00:00Z To find the voltage due to a combination of point charges, you add the individual voltages as numbers. College Physics for AP Courses 2015-08-12T00:00:00Z Running a low positive voltage through a cilium triggers a chemical reaction: as a droplet of test fluid flows past, the electrified platinum breaks apart the water molecules within the droplet. Cilia Are Minuscule Wonders, and Scientists Are Finally Figuring Out How to Mimic Them 2022-07-11T04:00:00Z The flight observer said "the voltage is too high" when the power could not be restored and the pilot responded with "we've got to do something quick", the report said. Electric aircraft severely damaged in test flight over Cranfield 2022-07-09T04:00:00Z The depolarization then spreads along the sarcolemma, creating an action potential as sodium channels adjacent to the initial depolarization site sense the change in voltage and open. Biology for AP Courses 2022-06-09T00:00:00Z As K+ starts to leave the cell, taking a positive charge with it, the membrane potential begins to move back toward its resting voltage. Anatomy and Physiology 2013-06-19T00:00:00Z There can be no voltage difference across the surface of a conductor, or charges will flow. College Physics for AP Courses 2015-08-12T00:00:00Z Once the voltage is reversed, the oxygen is driven out of the platinum—and the cilium returns to its original shape. Cilia Are Minuscule Wonders, and Scientists Are Finally Figuring Out How to Mimic Them 2022-07-11T04:00:00Z When we make a wire out of a superconductor, the propagation of the condensate wave along the wire is called electrical current, and the frequency of the condensate wave is called the voltage. Q&A: Carver Mead revolutionized computers. Can he do the same for physics? 2022-07-02T04:00:00Z The No. 2 U.S. automaker said DC fast charging and repeated wide open pedal events can cause the high voltage battery main contactors to overheat. Ford recalls 49,000 U.S. Mach-E EVs over potential power loss 2022-06-14T04:00:00Z Potassium ions reach equilibrium when the membrane voltage is below -70 mV, so a period of hyperpolarization occurs while the K+ channels are open. Anatomy and Physiology 2013-06-19T00:00:00Z The amount of charge Q a capacitor can store depends on two major factors—the voltage applied and the capacitor’s physical characteristics, such as its size. College Physics for AP Courses 2015-08-12T00:00:00Z “So by oscillating the voltage back and forth, you can bend and unbend the strip, which will generate waves to drive the movement,” Cohen says. Cilia Are Minuscule Wonders, and Scientists Are Finally Figuring Out How to Mimic Them 2022-07-11T04:00:00Z We call its flow the electric current, and its pressure is called the electric potential, or voltage. Q&A: Carver Mead revolutionized computers. Can he do the same for physics? 2022-07-02T04:00:00Z The malfunction involves a potential overheating of the vehicle’s battery high voltage contactors, which can lead to the vehicle failing to start or losing power while in motion. Ford is telling its dealers to stop selling the Mustang Mach-E over safety concerns 2022-06-14T04:00:00Z What has been described here is the action potential, which is presented as a graph of voltage over time in Figure 12.23. Anatomy and Physiology 2013-06-19T00:00:00Z It is easy to see the relationship between the voltage and the stored charge for a parallel plate capacitor, as shown in Figure 19.20. College Physics for AP Courses 2015-08-12T00:00:00Z The unusual voltage led Duke Energy to file a complaint with the Federal Energy Regulatory Commission, saying its customers faced $222 million in direct costs. How a Florida Power Project Flew Under the Regulatory Radar 2022-05-31T04:00:00Z Because the high voltage extends beyond the battery pack, cabling must be protected. Hurdle to broad adoption of EVs: the misperception they’re unsafe 2022-05-05T04:00:00Z Construction workers stand on scaffolding in front of high voltage power lines in Shanghai September 25, 2013. China will step up infrastructure construction to boost growth - President Xi 2022-04-26T04:00:00Z Once the membrane reaches that voltage, the voltage-gated Na+ channels open. Anatomy and Physiology 2013-06-19T00:00:00Z Different capacitors will store different amounts of charge for the same applied voltage, depending on their physical characteristics. College Physics for AP Courses 2015-08-12T00:00:00Z Because of the line’s voltage, the project’s design and suitability did not require more detailed reviews by the commission and other state agencies. How a Florida Power Project Flew Under the Regulatory Radar 2022-05-31T04:00:00Z Mercedes didn’t provide information about SUV architecture’s voltage, but it did say that the battery will charge from 10 percent to 80 percent in 31 minutes when plugged into a 110kW-or-more DC fast charger. Mercedes-Benz announces EQS SUV, its first electric sport utility for the US 2022-04-19T04:00:00Z But the difference in voltage between the waves triggered by human sounds and those triggered by dog sounds was stark, she says. Here’s what happens in your dog’s brain when you speak 2022-04-05T04:00:00Z The process of converting electrical signals to chemical signals and back requires subtle changes that can result in transient increases or decreases in membrane voltage. Anatomy and Physiology 2013-06-19T00:00:00Z The dielectric strength imposes a limit on the voltage that can be applied for a given plate separation. College Physics for AP Courses 2015-08-12T00:00:00Z The shortcut that Florida Power & Light took was to limit the voltage on the line — to 161 kilovolts rather than 230 — putting it under a threshold that would have required extensive regulatory scrutiny. How a Florida Power Project Flew Under the Regulatory Radar 2022-05-31T04:00:00Z The building’s owners said in response that the elevator’s “safety stop” kicks in when a surge or dip in voltage occurs and can be abrupt and cause a perceived drop. ‘High-rise hell’: Skyscraper’s elevator breakdowns strand tenants (who can’t move out) 2022-03-28T04:00:00Z “It was something electrical, we were losing battery voltage, really from the start of the race, and it got exponentially worse until the battery just died and here we are,” Rossi said. Newgarden passes McLaughlin in final turn to steal Texas win 2022-03-20T04:00:00Z Normally, the inner portion of the membrane is at a negative voltage. Anatomy and Physiology 2013-06-19T00:00:00Z So the same capacitor filled with Teflon has a greater capacitance and can be subjected to a much greater voltage. College Physics for AP Courses 2015-08-12T00:00:00Z The lower voltage, however, means the line loses energy over long distances without expensive equipment to support it, particularly in times of high demand. How a Florida Power Project Flew Under the Regulatory Radar 2022-05-31T04:00:00Z To use the network, the researchers set voltages for certain input nodes, and read out the voltages of output nodes. Simple electrical circuit learns on its own—with no help from a computer 2022-03-17T04:00:00Z One-size-fits-all charger and cable makers don’t want you to know that often their products do not have the proper voltage needed to work with your specific device. 5 ways you're ruining your expensive phone, laptop, tablet and TV 2022-03-12T05:00:00Z By comparing the charge measured by these two electrodes, the transmembrane voltage is determined. Anatomy and Physiology 2013-06-19T00:00:00Z The capacitor stores the same charge for a smaller voltage, implying that it has a larger capacitance because of the dielectric. College Physics for AP Courses 2015-08-12T00:00:00Z That’s the voltage you use to run your toaster and most of your home’s electricity. How to buy and install an EV home charger 2022-03-11T05:00:00Z In the “clamped” network, they fed in the input voltages and fixed the output voltage to the value they wanted. Simple electrical circuit learns on its own—with no help from a computer 2022-03-17T04:00:00Z There are still two remaining high voltage power lines, plus another standby line, that connect Zaporizhzhia to the grid. Why blackouts are dangerous to Ukraine’s nuclear sites 2022-03-10T05:00:00Z This voltage would actually be much lower except for the contributions of some important proteins in the membrane. Anatomy and Physiology 2013-06-19T00:00:00Z High voltages, such as the 480-V AC used in some industrial applications, lend themselves to this hazard, because higher voltages create higher initial power production in a short. College Physics for AP Courses 2015-08-12T00:00:00Z If I’m driving this much current out of this pin, what does the voltage end up being? The future of computers is only $4 away, with Raspberry Pi CEO Eben Upton 2022-03-08T05:00:00Z In the “free” network, they fixed just the input voltage and then let all the other voltages float to whatever value they would, which generally gave the wrong voltage at the output. Simple electrical circuit learns on its own—with no help from a computer 2022-03-17T04:00:00Z Previous research had identified certain features of an EEG trace — like a voltage blip — that appear when people hear something unexpected. How learning happens in the brains of sleeping babies 2022-02-05T05:00:00Z Figure 12.24 Stages of an Action Potential Plotting voltage measured across the cell membrane against time, the events of the action potential can be related to specific changes in the membrane voltage. Anatomy and Physiology 2013-06-19T00:00:00Z Fuses and circuit breakers for typical household voltages and currents are relatively simple to produce, but those for large voltages and currents experience special problems. College Physics for AP Courses 2015-08-12T00:00:00Z Once trapped, a change in voltage releases the CO₂. Bill Gates invests in carbon capture startup after tech breakthrough 2022-02-04T05:00:00Z After several iterations, those adjustments brought all voltages at all the nodes in the two networks into agreement and trained both networks to give the right output for a given input. Simple electrical circuit learns on its own—with no help from a computer 2022-03-17T04:00:00Z Higher-amplitude sleep spindles — ones with larger swings of voltage — occurred only in kids who learned to generalize the words. How learning happens in the brains of sleeping babies 2022-02-05T05:00:00Z This signal is the action potential which has a very characteristic shape based on voltage changes across the membrane in a given time period. Anatomy and Physiology 2013-06-19T00:00:00Z A larger voltage is more hazardous, but since I = V/R , the severity of the shock depends on the combination of voltage and resistance. College Physics for AP Courses 2015-08-12T00:00:00Z Because a cathode is crafted from a precise mix of precious minerals to achieve the battery’s specific voltage, slight changes to its structure or composition can compromise its performance. Recycled Lithium-Ion Batteries Can Perform Better Than New Ones 2022-02-01T05:00:00Z The system only needs to compare the voltage drop across corresponding resistors in the clamped and free networks, using a relatively simple electrical widget called a comparator, Dillavou says. Simple electrical circuit learns on its own—with no help from a computer 2022-03-17T04:00:00Z It added that Mark Fenwick's case had been complicated by high voltage power cables falling on broadband equipment and several telegraph poles being made unsafe. Storm Arwen: 'I was left without broadband for seven weeks' 2022-01-28T05:00:00Z Temporary changes to the cell membrane voltage can result from neurons receiving information from the environment, or from the action of one neuron on another. Anatomy and Physiology 2013-06-19T00:00:00Z The break in the skin has reduced his resistance, and so the same voltage causes a greater current, and a much smaller current has a greater effect. College Physics for AP Courses 2015-08-12T00:00:00Z This allowed more voltage to pass through the polymer, which energized the ions in the material to move to another end of the circuit. Lego Robot with an Organic ‘Brain’ Learns to Navigate a Maze 2022-01-28T05:00:00Z In each case, the researchers encoded input data, such as unlabeled images, in sound, light, or voltage. Everyday objects can run artificial intelligence software 2022-01-26T05:00:00Z But by doing a fault injection attack against the chip — which affects voltage going to the microcontroller — the wallet.fail team found they could downgrade the security from RDP2 to RDP1. Cracking a $2 million crypto wallet 2022-01-24T05:00:00Z For a membrane at the resting potential, a graded potential represents a change in that voltage either above -70 mV or below -70 mV. Anatomy and Physiology 2013-06-19T00:00:00Z Figure 20.32 An action potential is the pulse of voltage inside a nerve cell graphed here. College Physics for AP Courses 2015-08-12T00:00:00Z Because power is proportional to voltage, this means the entire system has lower power requirements. Lego Robot with an Organic ‘Brain’ Learns to Navigate a Maze 2022-01-28T05:00:00Z Pretty much all of the high voltage systems. How to fix an electric vehicle? This course will teach you. 2022-01-24T05:00:00Z My laptop was almost dead, and in the night I’d have just enough voltage for light, and maybe a few songs on my old tape deck that I bought the year Ronald Reagan was elected. Keep Alaska’s pristine wild lands free of poisonous industrial mining 2022-01-19T05:00:00Z Figure 12.25 Graded Potentials Graded potentials are temporary changes in the membrane voltage, the characteristics of which depend on the size of the stimulus. Anatomy and Physiology 2013-06-19T00:00:00Z Such voltages are created across the membranes of almost all types of animal cells but are largest in nerve and muscle cells. College Physics for AP Courses 2015-08-12T00:00:00Z While some of my colleagues might rather tinker with phone settings or CPU voltages, I could happily spend weeks — months — perfecting my Zoom look. The trials and tribulations of turning a real camera into a webcam 2022-01-16T05:00:00Z And faulty wiring during tests sent excess voltage into the observatory’s transducers. How NASA’s Biggest Telescope Beat Loose Screws, Loose Budgets and Loose Clamps 2021-12-23T05:00:00Z A program like SpeedFan can tell you if your computer processor is overheating or fluctuating voltages, which might be a problematic power supply. Tech 101: What to do when your computer freezes 2021-12-19T05:00:00Z Electrical energy, supplied by electrolytes in cells and body fluids, contributes to the voltage changes that help transmit impulses in nerve and muscle cells. Anatomy and Physiology 2013-06-19T00:00:00Z This sequence of events results in a voltage pulse, called the action potential. College Physics for AP Courses 2015-08-12T00:00:00Z The show, a Broadway musical mashup of an English Renaissance pastoral romance and classic hits from the Go-Go’s, was reconceived to welcome theatergoers back with a high voltage shock of communal joy. Ten reasons to be grateful in another sputtering theatrical year 2021-12-17T05:00:00Z In addition to the acreage, access to wastewater treatment and proximity to high voltage power makes the property attractive. Alcoa officially pulls plug on Wenatchee Works aluminum smelter 2021-12-17T05:00:00Z But spokesperson Paul Bircham said he was "not sure the Army have the engineering capability to work on high voltage electricity networks". Storm Arwen: Army called in after a week without power 2021-12-03T05:00:00Z If the stimulus is strong, the voltage of the cell membrane will change enough to generate an electrical signal that will travel down the axon. Anatomy and Physiology 2013-06-19T00:00:00Z The action potential is a voltage pulse at one location on a cell membrane. College Physics for AP Courses 2015-08-12T00:00:00Z It could also cause voltage irregularities on high-latitude power grids as the loss of radio contact on the sunlit side of the planet. To star gazers: Fireworks show called Northern Lights coming 2021-10-30T04:00:00Z Turn off power to the circuit, and confirm it’s off by checking the LED light; use a noncontact voltage detector if you have an old detector that connects directly to the house wiring. How to replace wired smoke detectors — and prevent them from chirping 2021-10-15T04:00:00Z The material is much harder than silicon, and its crystal structure can take higher voltages while significantly boosting “electron mobility” — which in lay terms means data can be crunched faster using less electricity per calculation. El Segundo semiconductor maker goes public in billion-dollar deal amid chip shortage 2021-10-20T04:00:00Z The voltage at which such a signal is generated is called the threshold, and the resulting electrical signal is called an action potential. Anatomy and Physiology 2013-06-19T00:00:00Z The answer is that the changing voltage and electric fields affect the permeability of the adjacent cell membrane, so that the same process takes place there. College Physics for AP Courses 2015-08-12T00:00:00Z Since the launch delay, Boeing says it has freed up 12 of the 13 stuck valves using a combination of extra heating and higher voltages. How corrosive valves may have delayed the launch of Boeing’s Starliner 2021-10-19T04:00:00Z The first phase of the campus is slated for completion by the third quarter of 2022 and will be powered by its own on‐site, high‐voltage substation, Vantage added. U.S. group Vantage Data Centres expands to Africa with a $1 bln campus 2021-10-13T04:00:00Z All neurons possess sodium channels that open in response to changes in the voltage across the nerve cell membrane, generating the impulses that relay messages from one neuron to the next. Toward Better Pain Control 2021-10-10T04:00:00Z The resting potential is the state of the membrane at a voltage of -70 mV, so the sodium cation entering the cell will cause it to become less negative. Anatomy and Physiology 2013-06-19T00:00:00Z There is an IR signal loss in the myelin, but the signal is regenerated in the gaps, where the voltage pulse triggers the action potential at full voltage. College Physics for AP Courses 2015-08-12T00:00:00Z “These companies are going to have to completely retrofit their entire workshops to be able to handle this massive change in voltage so they’re going to be charged every day,” Bray said. California moves toward ban on gas lawnmowers and leaf blowers 2021-10-09T04:00:00Z Legislators demanded information including the number and length of outages, the causes behind every service disruption and the number of voltage fluctuations that caused property damage. US legislators probing Puerto Rico power outages demand data 2021-10-08T04:00:00Z In an STM, a metal tip hovers above the surface of a sample, and a voltage causes electrons to jump down from the tip, creating an electric current. This Is What a Solid Made of Electrons Looks Like 2021-10-07T04:00:00Z It might take a fraction of a millisecond for the channel to open once that voltage has been reached. Anatomy and Physiology 2013-06-19T00:00:00Z The signal travels very fast and without energy input in the myelinated regions, but it loses voltage. College Physics for AP Courses 2015-08-12T00:00:00Z They point to the failure of all eight of the transmission lines that link the city to outside power and the collapse of a high voltage tower beside the Mississippi River. After Ida outages, utility proposals include city takeover 2021-09-21T04:00:00Z Power out, high voltage lines on the ground, possibly weeks until electricity is restored in some places: The dismal state of power in Hurricane Ida’s wake is a distressingly familiar scenario for Entergy Corp., Hurricane Ida turns spotlight on Louisiana power grid issues 2021-09-04T04:00:00Z The electrical system immediately compensated for the voltage dip, according to the utility, Con Edison, but not before many New Yorkers noticed it. Lights Flickered in New York City. Why Did the Subways Grind to a Halt? 2021-08-30T04:00:00Z The term “lead” may be used to refer to the cable from the electrode to the electrical recorder, but it typically describes the voltage difference between two of the electrodes. Anatomy and Physiology 2013-06-19T00:00:00Z Voltages between pairs of electrodes placed on the chest are vector components of the voltage wave on the heart. College Physics for AP Courses 2015-08-12T00:00:00Z Sunday “that resulted in a voltage dip across New York City.” ‘Unprecedented’ NYC subway breakdown sparked by power surge 2021-08-30T04:00:00Z While Louisiana encourages burying local distribution lines in new developments, studies have suggested that burying high voltage transmission lines could cost billions. Hurricane Ida turns spotlight on Louisiana power grid issues 2021-09-04T04:00:00Z The technique involves using tiny magnetic coils next to the sample to create an oscillating magnetic field and then watching for any induced voltage change in the material. Thanks to a bit of diamond smashing, practical superconductivity could be close to reality 2021-08-26T04:00:00Z An autopsy revealed voltage had caused "deep charring" of the tissue inside the patient's chest. Thousands of patients were implanted with heart pumps that the FDA knew could be dangerous 2021-08-09T04:00:00Z The voltage between the right arm and the left leg is called the lead II potential and is the most often graphed. College Physics for AP Courses 2015-08-12T00:00:00Z Who’s going to pay to string thousands of miles of high voltage electrical cable above the world’s major highways? What if Highways Were Electric? Germany Is Testing the Idea. 2021-08-03T04:00:00Z Tesla agreed to pay $1.5 million to settle a lawsuit alleging the company used a software update to reduce the maximum battery voltage for some of its Model S sedans, Reuters reports. Tesla agrees to pay $1.5 million to settle battery throttling lawsuit 2021-07-30T04:00:00Z As superconductors are cooled below Tc, the voltage typically shows a drop. Thanks to a bit of diamond smashing, practical superconductivity could be close to reality 2021-08-26T04:00:00Z BPA also owns and operates the nation’s largest high voltage transmission systems, according to agency officials. Bonneville, Northwest’s biggest clean-power supplier, to cut rates for first time in more than a decade 2021-07-30T04:00:00Z The table below gives the voltages and currents recorded across a resistor. College Physics for AP Courses 2015-08-12T00:00:00Z Owners of the vehicles will get $625 each, which is “many times the prorated value of the temporarily reduced maximum voltage,” according to the proposed settlement documents filed Wednesday in U.S. Tesla agrees to pay $1.5 million to settle claims over temporary battery voltage reduction 2021-07-29T04:00:00Z “In return, the Settlement Class will release claims related to the software updates that imposed and then restored the batteries’ maximum voltage.” Tesla agrees to pay $1.5 million to settle battery throttling lawsuit 2021-07-30T04:00:00Z “We are novel in that this is going to be our powertrain — we’re using these high voltage batteries for this particular usage,” he says. Electric boat startup Arc wants to make a big splash 2021-07-29T04:00:00Z A dual-cell design is important, because it allows the voltage of the battery pack to be higher than a comparable single-cell design. MagSafe Battery Pack teardown confirms dual-cell design 2021-07-23T04:00:00Z What is the resistance of a bulb if the current in it is 1.25 A when a 4 V voltage supply is connected to it? College Physics for AP Courses 2015-08-12T00:00:00Z The PCU supplies a steady voltage supply to the payload computer and either it was supplying voltage outside the normal range or the sensor that detects the voltage was giving an erroneous reading. 'Hubble is back!' Famed space telescope has new lease on life after computer swap appears to fix glitch 2021-07-16T04:00:00Z This ensures a steady voltage supply to hardware associated with the telescope's payload computer. Nasa zeroes in on cause of Hubble's trouble 2021-07-14T04:00:00Z As the Bootleg fire continues to grow, it recently burned an additional eight miles across a voltage power line corridor, threatening a major power grid, Path 66, that connects Oregon and California. Bootleg Fire in Oregon Scorches 143,000 Acres as Heat Wave Continues in the West 2021-07-11T04:00:00Z While each individual cell is labelled as being 3.82 volts, the overall voltage of the battery pack is 7.62 with them wired in series. MagSafe Battery Pack teardown confirms dual-cell design 2021-07-23T04:00:00Z If the voltage supply is increased to 7 V, what will be the current in the bulb? College Physics for AP Courses 2015-08-12T00:00:00Z In the same way that high-energy appliances will be disproportionately affected when voltage levels drop during a metropolitan brownout, even small reductions in mitochondrial function can have large effects on the brain, Wallace says. Could Mitochondria Be the Key to a Healthy Brain? 2021-06-18T04:00:00Z “We need to know the cause of death, how many times he was Tased, the voltage,” said Louis’s sister Margaret Middleton. Social justice protests have resulted in more police transparency and accountability. But federal officers don’t have the same rules. 2021-06-03T04:00:00Z However, they pressed the wrong switch, causing a sudden drop in voltage, and the problem then cascaded leading to the blackout, it added. Taiwan blames human error during test for islandwide power cut 2021-05-14T04:00:00Z This minuscule motion is detectable as a change in the voltage of a circuit connected to the drums. Scientists Supersize Quantum Effects with Entangled Drum Duet 2021-05-06T04:00:00Z Figure 21.3 shows resistors in series connected to a voltage source. College Physics for AP Courses 2015-08-12T00:00:00Z For starters, this is because neurons do not have fixed voltages for their logic gates like transistors that can determine what will activate "1" or not activate "0" in a given neuron. Artificial intelligence research may have hit a dead end 2021-04-30T04:00:00Z The voltage that pulsed through Dodger Stadium the previous four days was gone Monday. Dodgers lose to Reds after Kenley Jansen gives up home run in the 10th 2021-04-27T04:00:00Z A low voltage cable fault meant 339 homes were still without power at Friday breakfast time, but the firm was working to restore power to the remaining homes. Northampton substations fire leaves homes without power 2021-04-16T04:00:00Z As its name implies, the lens typically includes a layer of liquid, and the lens’s focus and focal length are changed by applying an electrical voltage. Xiaomi teases camera with liquid lens on upcoming Mi Mix 2021-03-25T04:00:00Z To verify that resistances in series do indeed add, let us consider the loss of electrical power, called a voltage drop, in each resistor in Figure 21.3. College Physics for AP Courses 2015-08-12T00:00:00Z OnePlus uses higher voltage power, which produces less heat than using higher amps, and avoids frying the phone by channeling the power through a proprietary charge pump. The OnePlus 9 Pro features wireless charging from one to 100 percent in 43 minutes 2021-03-18T04:00:00Z National Grid owns another part of the system - the high voltage transmission network which takes energy from power plants and circulates it nationally. UK's National Grid makes green power play with $11 billion WPD buy 2021-03-18T04:00:00Z The electrolyte is typically spiked with potassium hydroxide, which allows the chemical conversions to occur at a lower voltage, thereby boosting the overall energy efficiency. Chemists close in on greener way to make plastics 2021-02-24T05:00:00Z Unlike engineers who design digital transistors with discrete voltages for 0s and 1s to resist background noise, neurons in the brain work differently. Most brain activity is "background noise" — and that's upending our understanding of consciousness 2021-02-20T05:00:00Z Electrical potential energy can be described by the equation PE = qV , where q is the electric charge and V is the voltage. College Physics for AP Courses 2015-08-12T00:00:00Z Rather than say no to more renewable energy, the utility is installing a $2.5 million battery system to store the energy and regulate voltage. Batteries could be key to storing excess electricity 2021-02-13T05:00:00Z In emails sent to developers, the utility said the solar projects were causing voltage problems at substations where the projects connect, the newspaper reported. Utility springs delays, extra costs on solar power projects 2021-02-04T05:00:00Z The boat’s thin, aluminum skin requires reduced voltage and a slower feed of welding wire. Florida attraction to get glass-bottom boat for wheelchairs 2021-01-24T05:00:00Z Palmer says a high voltage electrical arc flash occurred minutes before the fire broke out about 1 p.m. on Nov. 17. Arching power lines caused Reno fire that destroyed 5 homes 2021-01-19T05:00:00Z Resistors are in parallel when each resistor is connected directly to the voltage source by connecting wires having negligible resistance. College Physics for AP Courses 2015-08-12T00:00:00Z The animal is capable of producing an 860-volt electric shock - the strongest electric discharge of any animal on Earth, and almost four times the voltage from a UK plug socket. Electric eels work together to zap prey 2021-01-14T05:00:00Z Pumping stations at the West Point facility shut down repeatedly between midnight and 2 a.m. as the facility experienced “a series of voltage fluctuations,” an announcement of the spill from King County said. Heavy rain sends untreated wastewater into Puget Sound 2021-01-14T05:00:00Z They inserted a series of genes into E. coli that enabled the cells to increase plasmid expression in response to an electric voltage. Scientists ‘program’ living bacteria to store data 2021-01-11T05:00:00Z If you overcharge the battery or try to charge it at the wrong voltage it will degrade more quickly. Electric vehicles: Your questions answered 2020-11-18T05:00:00Z Each resistor thus has the full voltage of the source applied to it. College Physics for AP Courses 2015-08-12T00:00:00Z There was just a voltage in the theater that I had not felt. Voices from the fight: An oral history of the four-year movement to defeat Donald Trump 2020-11-08T05:00:00Z Bennett said Ajanovic rescued the men, bypassing a ‘danger high voltage’ sign on the side of the train. Off-duty officer rescues two men from train derailment 2020-10-13T04:00:00Z Sure, a screen’s Technicolor voltage and algorithmically optimized content lures our wandering eye, but why would an inexplicable digital rupture not be concerning? National Book Award winner Don DeLillo dissects technological paranoia in prescient, slim ‘The Silence’ 2020-10-13T04:00:00Z The generated magnetic field leads to an extra signal in voltage measurements — known as Hall measurements — that is induced by a physical phenomenon called the topological Hall effect4,5. Inductors enter the world of quantum mechanics 2020-10-06T04:00:00Z However, emf differs from the voltage output of the device when current flows. College Physics for AP Courses 2015-08-12T00:00:00Z Electronic devices that enable rectification are called diodes and are widely used to transform alternating current into direct current, protect electric circuits from excess voltage and detect electromagnetic waves. One-way supercurrent achieved in an electrically polar film 2020-08-18T04:00:00Z When the voltage on the semiconductor ramped up, the electrical resistance did not change continuously. The mathematician who helped to reshape physics 2020-08-03T04:00:00Z “By applying the voltage, we essentially pour electrons into the material,” he explained. 'Fool's gold' could actually be valuable in this way, researchers find 2020-07-30T04:00:00Z Given the complex nature of such spin structures, this voltage signal offers a convenient way to explore topological magnetic states in a wide range of materials6,7. Inductors enter the world of quantum mechanics 2020-10-06T04:00:00Z Figure 21.9 is a schematic representation of the two fundamental parts of any voltage source. College Physics for AP Courses 2015-08-12T00:00:00Z Rewiring, which will cost about $2 million, needs to be done on the building’s phones, data, video, security access controls, fire alarms and automation system because the current low voltage doesn’t meet code, Ruth added. Editorial Roundup: Kentucky 2020-07-29T04:00:00Z Working at low temperatures with atomically thin layers of crystalline materials — known as two-dimensional electron systems — he discovered that this voltage is quantized. The quantum Hall effect continues to reveal its secrets to mathematicians and physicists 2020-07-28T04:00:00Z Another key change here is the fact that Quick Charge 5 now supports 2S battery systems for two battery cells wired in series, which allows for double the charging voltage. Qualcomm’s Quick Charge 5 standard promises 50 percent charge in less than five minutes 2020-07-27T04:00:00Z In seawater, a negative electrical voltage applied to a lithium-grabbing electrode pulls lithium ions into the electrode. Seawater could provide nearly unlimited amounts of critical battery material 2020-07-13T04:00:00Z Since V = emf − Ir , terminal voltage equals emf only if there is no current flowing. College Physics for AP Courses 2015-08-12T00:00:00Z This pattern shows how the relative amount of rotation between the two paths varies in response to changes in the voltage and the magnetic-field strength. Welcome anyons! Physicists find best evidence yet for long-sought 2D structures 2020-07-02T04:00:00Z That is, the voltage changes in jumps, as the applied magnetic field changes. The quantum Hall effect continues to reveal its secrets to mathematicians and physicists 2020-07-28T04:00:00Z When the ultrasonic waves bounce off an artery and return to the patch, the waves squeeze the piezoelectrics and produce a voltage. Softsonics: a device to take way to blood-pressure readings continuously 2020-06-29T04:00:00Z The researchers also changed the way they controlled the electric voltage. Seawater could provide nearly unlimited amounts of critical battery material 2020-07-13T04:00:00Z A different reaction produces a different energy and, hence, a different voltage. College Physics for AP Courses 2015-08-12T00:00:00Z The culture secretary, Oliver Dowden, probably thought he was in for a fairly easy ride on a low voltage Saturday night press conference in which he would be announcing the return of football. From super-spreader Boris to Classic Dom's eyesight: daily press conference hits | John Crace 2020-06-23T04:00:00Z Unfortunately, the US’s lower voltage means that electric kettles aren’t quite as fast as a burner if you’re boiling water to cook with, but I think they’re still a pretty useful kitchen addition. The Verge’s 17 favorite kitchen gadgets 2020-06-06T04:00:00Z In conversation, she’s still recognisable from her quick-witted stage persona, just with the voltage turned down. Hannah Gadsby: 'You don’t do a show like Nanette without a tough shell' 2020-05-31T04:00:00Z First, they applied a negative voltage, and then they briefly turned it off. Seawater could provide nearly unlimited amounts of critical battery material 2020-07-13T04:00:00Z And it is likewise true that the larger the internal resistance, the smaller the terminal voltage. College Physics for AP Courses 2015-08-12T00:00:00Z Moreover, when the polarity of the applied voltage is inverted, the selectivity of the spin filter changes so that electrons with ‘spin up’ polarization move right, instead of left. Electric control of a spin current has potential for low-power computing 2020-04-21T04:00:00Z Just one measure of that challenge is the amount of electrical power needed: the lab recently spent $150 million for additional high voltage electrical lines to operate its banks of supercomputers. Race for vaccine intensifies as coronavirus hits Asia with a second wave of outbreaks 2020-04-09T04:00:00Z Lovell reported a sudden voltage drop in one of the two main electrical circuits. ‘Houston, we’ve had a problem’: Remembering Apollo 13 at 50 2020-04-09T04:00:00Z Next, they applied a positive voltage, turned it off again, and repeated the cycle. Seawater could provide nearly unlimited amounts of critical battery material 2020-07-13T04:00:00Z We see from this expression that the smaller the internal resistance r , the greater the current the voltage source supplies to its load Rload . College Physics for AP Courses 2015-08-12T00:00:00Z Crucially, this selectivity remains in the absence of an applied voltage. Electric control of a spin current has potential for low-power computing 2020-04-21T04:00:00Z The nearby tunnel had an extensive rail-cart system, forced air ventilation, high voltage electrical cables and panels, an elevator at the tunnel entrance, and a complex drainage system. Feds uncover opioids, meth, cocaine in tunnel beneath US-Mexico border 2020-03-31T04:00:00Z The speed of impulse transmission increases as more layers of myelin are wrapped around the axon, protecting it better against voltage loss. The Brain Learns in Unexpected Ways 2020-03-12T04:00:00Z The hollowing process involves visible light, an alkaline solution and a source of voltage, Sadtler explains. Scientists Sculpt Nanoparticle Shells with Light 2020-02-21T05:00:00Z The terminal voltage of a battery is equal to the emf of the battery minus the voltage drop across the internal resistance of the battery or V = emf – Ir. College Physics for AP Courses 2015-08-12T00:00:00Z St. Elmo's fire is typically seen during thunderstorms when the ground below the storm is electrically charged, and there is high voltage in the air between the cloud and the ground, according to Scientific American. Rare weather phenomenon 'St. Elmo's Fire' captured by hurricane hunter aircraft in North Atlantic 2020-02-19T05:00:00Z The sophisticated passageway includes an extensive rail-cart system, a ventilation system, high voltage electrical cables and panels, a drainage system and an elevator. Tunnel discovered on US-Mexico border is longest ever, authorities say 2020-01-29T05:00:00Z Operating at voltages of 300 kilovolts, more than 2500 times stronger than electricity from a U.S. wall socket, the machine requires a bulky transformer and thick, heavily insulated cabling. ‘We need a people’s cryo-EM.’ Scientists hope to bring revolutionary microscope to the masses 2020-01-23T05:00:00Z Applying an electric voltage does the opposite, forcing the material to expand in one direction and contract in another. Transparent, power-producing crystals could lead to invisible robots, self-powered touch screens 2020-01-15T05:00:00Z Battery testers, such as those in Figure 21.15, use small load resistors to intentionally draw current to determine whether the terminal voltage drops below an acceptable level. College Physics for AP Courses 2015-08-12T00:00:00Z An example of the effect produced by changing the voltage for a single control wire is shown here. Evolution of circuits for machine learning 2020-01-14T05:00:00Z Gallium Nitride has a much higher breakdown voltage so it is capable of much higher power densities, Mills said. Navy accelerates new ship radar to support emerging 'sea-attack' strategy 2020-01-14T05:00:00Z A few brief reports about international science and technology from Indonesia to Spain, including one from Brazil about the highest voltage electric eel ever discovered. Science News Briefs from Around the Globe 2020-01-05T05:00:00Z There’s no odometer, no supplemental information about battery voltage or trip time, no Bluetooth pairing capability. RadRunner electric utility bike review: my daily driver 2020-01-02T05:00:00Z If internal resistance is high, the battery is weak, as evidenced by its low terminal voltage. College Physics for AP Courses 2015-08-12T00:00:00Z Information is input into such a circuit through electrical voltages that are applied using ordinary wires. Evolution of circuits for machine learning 2020-01-14T05:00:00Z This wire is used to control and regulate voltage and is necessary for many dimmers to work properly. GE’s new smart switches and dimmers can be installed in almost any home 2020-01-02T05:00:00Z Edison thought that his own direct current method would be seen as superior if Westinghouse’s AC voltage was associated with a barbaric killing method. New films 'Just Mercy' and 'Clemency' put the death penalty on trial 2019-12-27T05:00:00Z Kareem Thomas keeps a voltage tester in his shirt pocket and a flashlight in his jacket pocket. Perspective | At So Others Might Eat, employment training helps people build productive lives 2019-12-25T05:00:00Z The voltage output of the battery charger must be greater than the emf of the battery to reverse current through it. College Physics for AP Courses 2015-08-12T00:00:00Z The operation of the circuit is tuned by applying voltages to control wires. Evolution of circuits for machine learning 2020-01-14T05:00:00Z As a result, there is a voltage gradient along the direction of current flow. Electrons in graphene go with the flow 2019-12-03T05:00:00Z When he is eating or excited he emits higher voltage shocks which cause bigger flashes. Shocked? Electric eel powers aquarium’s Christmas lights 2019-12-04T05:00:00Z There were “some concerns that, you know, there could be some stray voltage,” Lt. July 25 forecast: Sunny, with cloud of impeachment for Trump 2019-11-30T05:00:00Z This will cause the terminal voltage of the battery to be greater than the emf, since V = emf − Ir , and I is now negative. College Physics for AP Courses 2015-08-12T00:00:00Z This classification was possible even when the number of control voltages was reduced from five to three. Evolution of circuits for machine learning 2020-01-14T05:00:00Z Unfortunately, this local voltage gradient is independent of the flow regime. Electrons in graphene go with the flow 2019-12-03T05:00:00Z The machines puff at different voltages, and for different lengths of time, just like “all the things people do” when they’re vaping, he said. Searching for a killer: Inside the CDC’s scramble to solve a mysterious vaping disease 2019-11-25T05:00:00Z The key finding is that this mixed catalyst system not only activates CO2 to produce carbon monoxide, but also, surprisingly, promotes further reduction to methanol when high voltages are applied in the electrochemical cell. Molecular catalyst converts carbon dioxide to methanol 2019-11-26T05:00:00Z Figure 21.26 Each of these resistors and voltage sources is traversed from a to b. College Physics for AP Courses 2015-08-12T00:00:00Z When crystals of certain materials are squeezed, the compression causes a separation of internal charge — a polarization — that generates a voltage. Temperature-dependent polarization in a non-polar crystal 2019-11-17T05:00:00Z But when a weak magnetic field is applied to the sample, another voltage, known as a Hall voltage, is produced perpendicular to the direction of current flow. Electrons in graphene go with the flow 2019-12-03T05:00:00Z The CO2 flows out of the tube as exhaust, and an applied electric voltage pushes the negatively charged electrons through a wire to a second catalyst coating the tube’s outer surface. New reactor could halve carbon dioxide emissions from ammonia production 2019-11-06T05:00:00Z The company said transmission lines, which operate at a higher voltage, remained energized at the time the fire started. As Kincade fire rages, Northern California faces biggest blackouts ever this weekend 2019-10-25T04:00:00Z We should be able to verify it by making measurements of current and voltage. College Physics for AP Courses 2015-08-12T00:00:00Z To maintain the voltage, one must somehow close the circuit and supply a battery. The Exquisite Precision of Time Crystals 2019-10-16T04:00:00Z The spatial profile of the Hall voltage does provide information about the flow characteristics. Electrons in graphene go with the flow 2019-12-03T05:00:00Z Los Angeles arson investigators confirmed Monday that, although the cause of the Saddleridge fire remains undetermined, the blaze started Thursday beneath a high voltage transmission tower. Saddleridge fire started beneath a high voltage transmission tower; cause remains undetermined 2019-10-14T04:00:00Z Schreiter and his team, for instance, removed the fluorescent portions of rhodopsin-based sensors and replaced them with a protein that binds to a synthetic dye molecule in response to voltage changes. Genetic light bulbs illuminate the brain 2019-10-13T04:00:00Z By connecting resistors to this galvanometer in different ways, you can use it as either a voltmeter or ammeter that can measure a broad range of voltages or currents. College Physics for AP Courses 2015-08-12T00:00:00Z Program director Robbie Foxen says the one-story building will sit on 46 acres, and a pole yard for high voltage power lines and training structures will be spread across the grounds. Iowa to be site of utility lineman training facility 2019-10-05T04:00:00Z Such an arrangement provides the required sensitivity for detecting weak electric fields or voltage gradients, such as those associated with the Hall voltage. Electrons in graphene go with the flow 2019-12-03T05:00:00Z The company says a faulty voltage regulator sparked the fires. Company: Faulty part caused Wisconsin power station fires 2019-10-03T04:00:00Z The Voltron genetically encoded voltage indicator in action in a rat neuron.Credit: Genetic light bulbs illuminate the brain 2019-10-13T04:00:00Z Standard measurements of voltage and current alter the circuit being measured, introducing uncertainties in the measurements. College Physics for AP Courses 2015-08-12T00:00:00Z Troopers say Homer Electric Association will drop high voltage lines that cross the highway between Miles 58 and 62. Power line repairs to delay Sterling Highway traffic 2019-09-26T04:00:00Z Due to an editing error, an earlier version of this article misstated the difference in voltage between a typical electric eel and an American wall socket. New Electric Eel Is Most Shocking Yet 2019-09-10T04:00:00Z They applied an electric field to the electrons until the voltage associated with this field was large enough to stop the electrons. One tick closer to a nuclear clock 2019-09-10T04:00:00Z The system lets researchers quickly study each GEVI’s response to voltage changes. Genetic light bulbs illuminate the brain 2019-10-13T04:00:00Z Null measurements balance voltages so that there is no current flowing through the measuring device and, therefore, no alteration of the circuit being measured. College Physics for AP Courses 2015-08-12T00:00:00Z Francis explained there had been a “drop in voltage and the elevator stopped.” Pope gets stuck in Vatican elevator, freed by firefighters 2019-09-01T04:00:00Z Addressing the crowd, the Pope said there had been a "drop in voltage and the elevator stopped". Pope, late for prayer: 'I was trapped in the lift' 2019-09-01T04:00:00Z The final voltage was equal to the initial energy of the electrons. One tick closer to a nuclear clock 2019-09-10T04:00:00Z When selecting a voltage indicator, consider the purpose of the experiment, he suggests. Genetic light bulbs illuminate the brain 2019-10-13T04:00:00Z When there is no current, there is no IR drop, and so the voltage on the capacitor must then equal the emf of the voltage source. College Physics for AP Courses 2015-08-12T00:00:00Z The coroner said: "Death will have occurred immediately because of high voltage electrocution and from there Ben’s body and clothing will have caught fire." 'Harry Potter' star's brother, friend dead after being electrocuted while train surfing 'extremely drunk' 2019-08-30T04:00:00Z If a low voltage is applied to such an inverter, the output voltage will be high, and vice versa. Carbon-nanotube computer scaled up 2019-08-27T04:00:00Z It is also looking at a study in rural areas, where the longer cables required present challenges in maintaining stable voltages for charging. Can power napping solve electric car charging challenge? 2019-08-27T04:00:00Z For the systems to work, they must give off a higher voltage and the craft must be lighter. Editorials from around Ohio 2019-08-26T04:00:00Z Note that the internal resistance of the voltage source is included in R , as are the resistances of the capacitor and the connecting wires. College Physics for AP Courses 2015-08-12T00:00:00Z The court heard the stun gun was designed to discharge a high voltage into a person. 'Donkey Kong' ecstasy drug dealer locked up 2019-08-23T04:00:00Z The micrometre-scale width and length of a channel are indicated. b, If a low voltage is applied to the inverter, the output voltage will be high, and vice versa. Carbon-nanotube computer scaled up 2019-08-27T04:00:00Z An applied voltage generates an electric force that causes this angle to decrease. b, Li et al.8 report a technique dubbed electro-dewetting, in which a droplet is placed on a nanometre-thick hydrophilic layer. Droplet motion electrically controlled 2019-08-20T04:00:00Z The potential difference between these two strongly polarized regions creates enormous voltage, internal discharges and flow of current. Analysis | ‘Never seen anything like it’: How a ‘near constant’ lightning show lit up parts of central Maryland on Sunday night 2019-08-19T04:00:00Z When multiple voltage sources are in series, their internal resistances add and their emfs add algebraically. College Physics for AP Courses 2015-08-12T00:00:00Z The authors attribute their unexpected room-temperature polymerization to the large, highly localized electric field generated when a voltage is applied between the STM tip and the surface. Two-dimensional polymer knits together and unravels in an electric field 2019-08-18T04:00:00Z “Once the voltage is applied the response is very fast — almost instantaneous,” he added. Researchers just created a robotic lens that can be controlled by the eyes 2019-08-15T04:00:00Z In EWOD, this is achieved by applying a voltage between a droplet on a thick, hydrophobic dielectric layer and an electrode that is positioned underneath the layer. Droplet motion electrically controlled 2019-08-20T04:00:00Z On the left of the Charge Station is a small LED that indicates what voltage is being drawn from the most powerful USB-C port. This is the ultimate desk charging station 2019-08-15T04:00:00Z Solar cells can be wired in series or parallel to provide increased voltage or current, respectively. College Physics for AP Courses 2015-08-12T00:00:00Z The ultimate goal is to spin an assembly of magnets in a generator which will, well, generate voltage in a coil of wire thanks to electromagnetic induction. How Does Wind Energy Work? 2019-08-08T04:00:00Z Instead, an examination concluded that the juvenile bird, which wasn’t fully developed, flew into a high voltage line in Milpitas. California bald eagle was electrocuted, not shot 2019-08-05T04:00:00Z Depending on whether an applied voltage is positive or negative, electrons ‘tunnel’ from the tip to the sample, or vice versa. Spectroscopy of graphene with a magic twist 2019-07-30T04:00:00Z Step down to a phone, and it will light up one of the lesser voltage settings. This is the ultimate desk charging station 2019-08-15T04:00:00Z A voltmeter is placed in parallel with the voltage source to receive full voltage and must have a large resistance to limit its effect on the circuit. College Physics for AP Courses 2015-08-12T00:00:00Z There were hundreds of control parameters, from when to energize electrodes to which voltage to set on the magnets. Three pitfalls to avoid in machine learning 2019-07-29T04:00:00Z The voltage whacks electrons off the lithium atoms, leaving them with a positive charge. The Good Kind of Crazy: The Quest for Exotic Propulsion 2019-07-29T04:00:00Z In that case, the change in the current as the voltage is varied is proportional to the density of states of the sample. Spectroscopy of graphene with a magic twist 2019-07-30T04:00:00Z Mr. Booker recently turned up the voltage on his already supercharged delivery on the stump. ‘Message isn’t resonating’: Cory Booker looks good on paper, struggles in Democratic polls 2019-07-28T04:00:00Z One such device, for determining voltage, is a potentiometer. College Physics for AP Courses 2015-08-12T00:00:00Z “The motor that failed on the Pussiewillow wasn’t the original and was possibly installed because of the difference in voltages between the U.K. and U.S.” Perspective | Air and Space Museum used to feature flying machines of the strangest sort 2019-07-27T04:00:00Z First, the nanostructure is fabricated from lithium niobate, which is strongly piezoelectric — it produces a large voltage in response to mechanical deformation. Counting grains of sound 2019-07-23T04:00:00Z The utility said it was reducing voltage and asked customers to turn off nonessential appliances to conserve power. National Digest: Power fails in New York as extreme heat brings temperatures in the 90s 2019-07-21T04:00:00Z The utility also said it reduced voltage by 8 percent in those areas to maintain service as repairs were made. Major power outages pop up from Michigan to New York amid dangerous heat wave 2019-07-21T04:00:00Z Figure 21.46 A switch is ordinarily in series with a resistance and voltage source. College Physics for AP Courses 2015-08-12T00:00:00Z Grid operator Amprion, which operates high voltage lines mainly in that state, says the region will have to rely on power imports from the early 2020s at the latest. Does renewables pioneer Germany risk running out of power? 2019-07-18T04:00:00Z Those types of small appliances are usually not dual voltage. Your phone charger will work in Europe; your heating pad — not so much | Produced by Advertising Publications 2019-07-17T04:00:00Z Los Angeles could also upgrade its converter station at Intermountain — which transforms electricity from alternating to direct current — with “voltage source” technology better suited for transmitting renewable energy. Los Angeles is finally ditching coal — and replacing it with another polluting fuel 2019-07-16T04:00:00Z They found that a module in the battery pack was, in some cases, pressing up against a voltage sampling cable in the wiring harness. NIO recalls nearly 5,000 electric SUVs after battery fires in China 2019-06-27T04:00:00Z If such a string operates on 120 V and has 39 remaining identical bulbs, what is then the operating voltage of each? College Physics for AP Courses 2015-08-12T00:00:00Z Some modern watches will send voltages through quartz crystals, which then vibrate at the same frequency every second. An atomic clock, "green" propellant, and a sunlight-surfing sail are headed to space next week 2019-06-21T04:00:00Z He also said that "voltage" was named after Voltaire, the French philosopher - when it's in fact named after the Italian physicist Alessandro Volta. Uni sorry for health and safety course errors 2019-06-21T04:00:00Z Representatives of two global engineering companies — Siemens of Germany, and ABB of Switzerland — said they offer voltage source converters that can reliably operate an overhead line with the technical specifications of the Southern Transmission System. Los Angeles is finally ditching coal — and replacing it with another polluting fuel 2019-07-16T04:00:00Z Years ago, Sound Transit designed the system for 1,500 volt power — double the typical North American voltage for light rail. Sound Transit shows off its new, roomier light-rail cars. They’ll go into service next year 2019-06-19T04:00:00Z Such a resistance cord reduces the voltage to a desired level for the radio’s tubes and the like, and it saves the expense of a transformer. College Physics for AP Courses 2015-08-12T00:00:00Z “She either doesn’t speak or it is high voltage.” Can Elizabeth Warren Win It All? 2019-06-14T04:00:00Z But laying 2 km of medium voltage lines and ordering new transformer substations could take up to nine months, he said. Germany's Opel town shows struggle for Europe to plug in electric cars 2019-06-07T04:00:00Z Some 1,500 will get special certification in how to deal with high voltage components, for instance. Threat or promise? E-auto boom could cost industry jobs 2019-05-22T04:00:00Z So Diamond switched to a technically easier assignment, which required simply weighing a fish gallbladder to determine its fluid content, then measuring a voltage. If At First You Don't Succeed 2019-05-13T04:00:00Z What would happen if you were measuring voltage but accidentally put the meter in the ammeter mode? College Physics for AP Courses 2015-08-12T00:00:00Z The technology relies on magnetic induction, which uses an electrical current to generate a magnetic field, creating voltage that powers the phone. Google Pixel 3A Review: The $400 Smartphone You’ve Been Waiting For 2019-05-07T04:00:00Z The voltage difference between the two electrodes then drives the positively charged lithium ions through the water-based electrolyte to the anode, where they meet up with electrons provided by an external circuit. New generation of lithium-ion batteries could hold more charge—without catching fire 2019-05-08T04:00:00Z Planes are built so that the fuselage acts as an electricity-conducting shield, keeping the voltage away from passengers and critical systems. Recent airline crashes run against trend toward safer flying 2019-05-06T04:00:00Z The utility says upgrading the lines to a higher, standard voltage will provide more power for new and expanding businesses and also to nearby residential neighborhoods. Xcel nearly done with grid modernization project in Roswell 2019-05-02T04:00:00Z After two time constants, what percentage of the final voltage, emf, is on an initially uncharged capacitor C , charged through a resistance R ? College Physics for AP Courses 2015-08-12T00:00:00Z Reporters who witnessed the execution said, "his fist clenched when the voltage flowed and he did not move once the electricity stopped." Black Keys reveal new album art inspired by Tennessee death row inmate who said 'let's rock' 2019-04-25T04:00:00Z And the sodium cells’ operating voltage tore apart the electrolyte. Sodium batteries are one step closer to saving you from a mobile phone fire 2019-04-19T04:00:00Z |
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