Plasma Physics news
Electrons in concert: A simple probe for collective motion in ultracold plasmas
(PhysOrg.com) -- Collective, or coordinated behavior is routine in liquids, where waves can occur as atoms act together. In a milliliter (mL) of liquid water, 1022 molecules bob around, colliding. When a bre ...
Feb 06, 2012 |
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NSTX project will produce world's most powerful spherical torus
DOE's Princeton Plasma Physics Laboratory (PPPL) is getting an earlier-than-expected start on a $94 million, nearly three-year project as the next stage of its mission to chart an attractive course for the ...
Jan 18, 2012 |
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The perfect liquid -- now even more perfect
Ultra hot quark-gluon-plasma, generated by heavy-ion collisions in particle accelerators, is supposed to be the "most perfect fluid" in the world. Previous theories imposed a limit on how "liquid" fluids can ...
Jan 17, 2012 |
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'Painless' plasma brush is becoming reality in dentistry, engineers say
University of Missouri engineers and their research collaborators at Nanova, Inc. are one step closer to a painless way to replace fillings. After favorable results in the lab, human clinical trials are underway ...
Dec 20, 2011 |
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Plasma treatment zaps viruses before they can attack cells
Researchers test a pre-emptive anti-viral treatment on a common virus known to cause respiratory infections.
Dec 16, 2011 |
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Plasma-based treatment goes viral
Life-threatening viruses such as HIV, SARS, hepatitis and influenza, could soon be combatted in an unusual manner as researchers have demonstrated the effectiveness of plasma for inactivating and preventing ...
Dec 05, 2011 |
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Catching tokamak fastballs: Controlling runaway electrons
a leading design concept for producing nuclear fusion energy—can, under certain rare fault conditions, produce beams of very energetic "runaway" electrons that have the potential to damage interior surfaces ...
Nov 11, 2011 |
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Unexpected connection: Rotation reversal tied to energy confinement saturation
Research on the Alcator C-Mod experiment at MIT has made an unexpected connection between two seemingly unrelated but important phenomena observed in tokamak plasmas: spontaneous plasma rotation and the global ...
Nov 11, 2011 |
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Tokamak experiments come clean about impurity transport
A fusion reactor operates best when the hot plasma inside it consists only of fusion fuel (hydrogen's heavy isotopes, deuterium and tritium), much as a car runs best with a clean engine. But fusion fuel reactions ...
Nov 10, 2011 |
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A 3-D way to release magnetic energy... fast!
Experiments discover a 3-D process by which magnetic reconnection can release energyfaster than expected by classical theories.
Nov 10, 2011 |
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A new spin on understanding plasma confinement
To achieve nuclear fusion for practical energy production, scientists often use magnetic fields to confine plasma. This creates a magnetic (or more precisely "magneto-hydrodynamic") fluid in which plasma is tied to magnetic ...
Nov 10, 2011 |
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Radar gun catches predator shredding turbulence in fusion plasma
Recent experiments carried out at the DIII-D tokamak in San Diego have allowed scientists to observe how fusion plasmas spontaneously turn off the plasma turbulence responsible for most of the heat loss in ...
Nov 10, 2011 |
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With lithium, more is definitely better
A team of scientists working at the U.S. Department of Energy's Princeton Plasma Physics Laboratory (PPPL) has found that increasing the amount of lithium coating in the wall of an experimental fusion reactor ...
Nov 10, 2011 |
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Video simulation puts a new twist on fusion plasma research
Samuel Lazerson, an associate research physicist in advanced projects at the U.S. Department of Energy's Princeton Plasma Physics Laboratory (PPPL), has created a video simulation showing the intricate nature of a plasma ...
Nov 10, 2011 |
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I-mode powers up on alcator C-mod tokamak
A key challenge in producing fusion energy is confining the plasma long enough for the ionized hydrogen to fuse and produce net power. Suppressing plasma turbulence is one approach to this, but the resulting ...
Nov 10, 2011 |
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Engineers build first sub-10-nm carbon nanotube transistor
Feb 01, 2012 |
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Something old, something new: Evolution and the structural divergence of duplicate genes
Jan 31, 2012 |
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The hidden nanoworld of ice crystals: Revealing the dynamic behavior of quasi-liquid layers
Jan 30, 2012 |
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Stock market network reveals investor clustering
Jan 27, 2012 |
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Of microchemistry and molecules: Electronic microfluidic device synthesizes biocompatible probes
Jan 26, 2012 |
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More News
Feeling the heat: 30 tons of fine control for fusion plasmas
A major upgrade to the DIII-D tokamak fusion reactor operated by General Atomics in San Diego will enable it to develop fusion plasmas that can burn indefinitely. Researchers installed a movable, 30-ton particle-beam ...
Plasma etching pushes the limits of a shrinking world
Plasma etching (using an ionized gas to carve tiny components on silicon wafers) has long enabled the perpetuation of Moore's Law -- the observation that the number of transistors that can be squeezed into an integrated circuit ...
High-voltage engineers create nearly 200-foot-long electrical arcs using less energy than before (Update)
Photos taken by the researchers show plasma arcs up to 60 meters long casting an eerie blue glow over buildings and trees at the High Voltage Laboratory at the University of Canterbury in New Zealand.
Safer medical kit by plasma-activated water
similar to the form created in neon signs, fluorescent tubes and TV displays – to create water that stays significantly antibacterial and can be used as a disinfectant for at least seven days after becoming plasma-active.
Redefining 'clean'
Aiming to take "clean" to a whole new level, researchers at the University of California at Berkeley and the University of Maryland at College Park have teamed up to study how low-temperature plasmas can deactivate potentially ...
Other News
Scientists bring mysterious magnetic process down to earth
With the click of a computer mouse, a scientist at the U.S. Department of Energy's Princeton Plasma Physics Laboratory (PPPL) sends 10,000 volts of electricity into a chamber filled with hydrogen gas. The ...
World's largest fusion device goes back to work
September is commonly the month where things begin to gather pace again, and in the world of fusion energy research, things are no different. European scientists working on the Joint European Torus (JET), ...
New probe to uncover mechanisms key to fusion reactor walls
(PhysOrg.com) -- A new tool developed by nuclear engineers at Purdue University will be hitched to an experimental fusion reactor at Princeton University to learn precisely what happens when extremely hot plasmas touch and ...
Fusion diagnostic sheds light on plasma behavior at EAST
An instrument developed by researchers at the U.S. Department of Energy's Princeton Plasma Physics Laboratory (PPPL) has enabled a team at the EAST fusion experiment in China to observe--in startling detail--how a particular ...
Vessel to contain cosmic force takes shape
At the heart of most celestial objects is a dynamo. The Earth's dynamo, spun to life in the molten metal core of our planet, generates a magnetic field that helps us find north and, perhaps more critically, ...
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