News tagged with plasma
New Digital 'Electronics' Concept May Continue Moore's Law
Nov 05, 2009 |
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(PhysOrg.com) -- Computers of the future could be operating not on electrons, but on tiny waves traveling through an electron "fluid," if a new proposal is successful. The new circuit design, recently introduced ...
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 ...
Upping the power triggers an ordered helical plasma
Nov 02, 2009 |
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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 ...
High-performance plasmas may make reliable, efficient fusion power a reality
Nov 02, 2009 |
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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 ...
Electron self-injection into an evolving plasma bubble
Nov 02, 2009 |
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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: ...
Laser-plasma accelerators ride on Einstein's shoulders
Nov 02, 2009 |
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Using Einstein's theory of special relativity to speedup computer simulations, scientists have designed laser-plasma accelerators with energies of 10 billion electron volts (GeV) and beyond. These systems, ...
HIV tamed by designer 'leash'
Medicine & Health / HIV & AIDS
Oct 29, 2009 |
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Researchers have shown how an antiviral protein produced by the immune system, dubbed tetherin, tames HIV and other viruses by literally putting them on a leash, to prevent their escape from infected cells. The insights reported ...
Roadrunner supercomputer models nonlinear physics of high-power lasers
Oct 28, 2009 |
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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 ...
Scientists explain mystery of observed turbulent density fluctuations in interplanetary space
Oct 28, 2009 |
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(PhysOrg.com) -- Scientists at The University of Alabama in Huntsville have developed a three-dimensional simulation model to understand behavior of interplanetary charged particles in space.
INL scientist is harnessing the power of plasma
Oct 27, 2009 |
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Most schoolchildren learn that everything in the universe is a solid, a liquid or a gas. But those lessons miss the fourth and by far most common state of matter: plasma.
Science at the petascale: Roadrunner supercomputer results unveiled
Oct 26, 2009 |
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The world's fastest supercomputer, Roadrunner, at Los Alamos National Laboratory has completed its initial "shakedown" phase doing accelerated petascale computer modeling and simulations of a variety of unclassified, fundamental ...
'Difficult-to-treat asthma' may be due to difficult-to-treat patients
Oct 23, 2009 |
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Difficult-to-treat asthma often may have more to do with patients who do not take their medication as instructed than ineffective medication, according to researchers in Northern Ireland.
On the road to fusion energy, an accelerator to study warm dense matter
Oct 16, 2009 |
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Imagine yourself at the core of Jupiter, a planet 300 times the mass of Earth. At 35,000 degrees Fahrenheit, you and I might think it's hot in here, but to a physicist it's merely warm - warm dense matter, ...
Plasma Rocket Could Travel to Mars in 39 Days
Space & Earth / Space Exploration
Oct 06, 2009 |
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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 ...
U.S. ITER awards contracts worth $33 million for materials for ITER's largest magnets
Oct 05, 2009 |
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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, ...
