Search results for plasma
Upping the power triggers an ordered helical plasma
Nov 02, 2009 |
4.9 / 5 (7) |
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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 ...
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 ...
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 |
4.6 / 5 (10) |
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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.
Plasma Rocket Could Travel to Mars in 39 Days
Space & Earth / Space Exploration
Oct 06, 2009 |
4.8 / 5 (125) |
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(PhysOrg.com) -- Last Wednesday, the Ad Astra Rocket Company tested what is currently the most powerful plasma rocket in the world. As the Webster, Texas, company announced, the VASIMR VX-200 engine ran at ...
Electron self-injection into an evolving plasma bubble
Nov 02, 2009 |
4.8 / 5 (4) |
1
Particle accelerators are among the largest and most expensive scientific instruments. Thirty years ago, theorists John Dawson and Toshiki Tajima proposed an idea for making them thousands of times smaller: ...
Researcher uses 100,000 degree heat to study plasma
Sep 02, 2009 |
2 / 5 (1) |
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Using one of the greatest sources of radiation energy created by man, University of Nevada, Reno researcher and faculty member Roberto Mancini is studying ultra-high temperature and non-equilibrium plasmas ...
Colliding auroras produce an explosion of light
Space & Earth / Space Exploration
Dec 17, 2009 |
4.8 / 5 (8) |
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(PhysOrg.com) -- A network of cameras deployed around the Arctic in support of NASA's THEMIS mission has made a startling discovery about the Northern Lights. Sometimes, vast curtains of aurora borealis collide, ...
Tiny Flares Responsible for Outsized Heat of Sun's Atmosphere
Aug 14, 2009 |
4.4 / 5 (9) |
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(PhysOrg.com) -- Solar physicists at NASA have confirmed that small, sudden bursts of heat and energy, called nanoflares, cause temperatures in the thin, translucent gas of the sun's atmosphere to reach millions ...
