Search results for plasma sheath:
New plasma transistor could create sharper displays
Feb 04, 2009 |
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(PhysOrg.com) -- By integrating a solid-state electron emitter and a microcavity plasma device, researchers at the University of Illinois have created a plasma transistor that could be used to make lighter, ...
Scientists fabricate first plasma transistor
Nov 12, 2008 |
4.2 / 5 (84) |
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Since their development in the 1940s, transistors have been at the heart of computers and other modern electronic devices. Transistors - whose job is to start, stop, or amplify electric current - come in all ...
Upping the power triggers an ordered helical plasma
Nov 02, 2009 |
5 / 5 (4) |
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If you keep twisting a straight elastic string, at some moment it starts kinking in a wild way. Something similar occurs when one increases the electrical current flowing in a magnetized plasma doughnut: it ...
Plasma power: Turning fusion into a renewable energy source
Sep 14, 2009 |
4.6 / 5 (9) |
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Fusion is best known for powering the sun and stars. But researchers have long been studying ways to transform that power source into future "green" energy that can be used on Earth. A team of researchers ...
A supercharged metal-ion generator: Higher-quality coatings through 'runaway' self-sputtering
Jan 29, 2009 |
4.7 / 5 (3) |
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In the electronics industry, thin metal films are deposited on silicon wafers with a sputter gun, which uses energetic ions - atoms with a positive charge - to knock the metal atoms off a target. Scientists at the U.S. Department ...
Cool plasma packs heat against biofilms
Jun 11, 2009 |
4.8 / 5 (12) |
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Though it looks like a tiny purple blowtorch, a pencil-sized plume of plasma on the tip of a small probe remains at room temperature as it swiftly dismantles tough bacterial colonies deep inside a human tooth. But it's not ...
HIV-1's 'hijacking mechanism' pinpointed by researchers
Jun 10, 2009 |
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Researchers at McGill University and the affiliated Lady Davis Institute for Medical Research at Montreal's Jewish General Hospital - along with colleagues at the University of Manitoba and the University of British Columbia ...
Plasma vessel for Wendelstein 7-X fusion experiment ready
Physics /
Jan 20, 2006 |
4.9 / 5 (42) |
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The first large production order for the Wendelstein 7-X fusion experiment, construction of the plasma chamber, has been successfully completed: The 20 sectors of the bizarrely shaped 35-ton vessel were assembled ...
Signs of ideal surfing conditions spotted in ocean of solar wind
Aug 31, 2009 |
4.8 / 5 (5) |
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(PhysOrg.com) -- Researchers at the University of Warwick have found what could be the signal of ideal wave "surfing" conditions for individual particles within the massive turbulent ocean of the solar wind. The discovery ...
With stimulus aid, scientists hope to mimic nature's dynamos
Space & Earth / Earth Sciences
Oct 09, 2009 |
4.5 / 5 (4) |
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(PhysOrg.com) -- In the cosmos, all celestial objects - planets, stars, galaxies and clusters of galaxies - have magnetic fields. On Earth, the magnetic field of our home planet is most easily observed in a compass where ...
Roadrunner supercomputer models nonlinear physics of high-power lasers
Oct 28, 2009 |
4 / 5 (4) |
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For years scientists have struggled with the difficult physics of inertial confinement fusion. This is the attempt to compress a target capsule containing isotopes of hydrogen with high-powered lasers to high enough pressure ...
High-performance plasmas may make reliable, efficient fusion power a reality
Nov 02, 2009 |
4.7 / 5 (40) |
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In the quest to produce nuclear fusion energy, researchers from the DIII-D National Fusion Facility have recently confirmed long-standing theoretical predictions that performance, efficiency and reliability ...
Scientists obtain clearer view of how eye lens proteins are sorted
Nov 03, 2009 |
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New research reveals how proteins that are critical for the transparency of the eye lens are properly sorted and localized in membrane bilayers. The study, published by Cell Press in the November 3rd issue of Biophysical Jo ...
U.S. ITER awards contracts worth $33 million for materials for ITER's largest magnets
Oct 05, 2009 |
3.3 / 5 (3) |
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(PhysOrg.com) -- The U.S. ITER Project Office at Oak Ridge National Laboratory has awarded two contracts totaling $33.6 million for 8,270 km of niobium tin strand and 4,795 km of copper strand for the Toroidal Field Conductor, ...
Nuclear fusion research key to advancing computer chips
Aug 18, 2009 |
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(PhysOrg.com) -- Researchers are adapting the same methods used in fusion-energy research to create extremely thin plasma beams for a new class of "nanolithography" required to make future computer chips.
