Posts Tagged ‘plasma’
Plasma brush: Pain-free fix for cavities
U. MISSOURI (US) — Researchers are one step closer to a painless way to replace fillings. Continue…
Tuesday, December 27, 2011 10:25 - 3 Comments
Top Stories - Sep 8, 2011 9:46 - 2 Comments
Satellite killers: Meteoroids vs. space junk
STANFORD (US) — Billions of tiny meteoroids do more damage to satellites and other spacecraft than all the space junk orbiting Earth, according to new research. (more…)
Top Stories - Mar 15, 2011 12:29 - 2 Comments
Power from fusion energy? Why knot?
NYU (US) — There may be a “twisted” way to realize fusion energy as a power source: 3D optical knots. (more…)
Science & Technology - Mar 8, 2010 13:18 - 0 Comments
Mega-tsunamis stoke up solar atmosphere
U. SHEFFIELD (UK)—Physicists from the University of Sheffield are scheduled to reveal their recent discovery of transition region quakes on the Sun. The finding could shed light on solar mega-tsunamis. (more…)
Science & Technology - Feb 24, 2010 12:09 - 0 Comments
Measuring matter hotter than the sun
VANDERBILT (US)—Scientists have created an exotic state of matter with a temperature of four trillion degrees Celsius. It’s the hottest temperature ever achieved in a laboratory and 250,000 times hotter than the heart of the sun. (more…)
Science & Technology - Nov 18, 2009 16:44 - 0 Comments
Laser’s stellar jet replicates star behavior
U. ROCHESTER (US)—A multi-trillion-watt laser has simulated a stellar jet—an outpouring of matter from a fledgling star—with unprecedented realism. (more…)
Science & Technology - Sep 30, 2009 12:41 - 1 Comment
‘Beautiful’ stellar jet recreated in lab
U. ROCHESTER (US)—Certain stars stream vast amounts of matter into space, creating some of the most beautiful—and inexplicable—objects in the universe. Now, astrophysicists have replicated the physics of a stellar jet in a laboratory. (more…)
Science & Technology - Jul 27, 2009 13:02 - 0 Comments
At extremes, hot and cold act oddly alike
A small blob of lithium-6 gas, chilled ultracold by a laser light trap, does an unexpected thing when the trap is released. (Courtesy: John Thomas/Duke University)
Science & Technology - May 19, 2009 12:51 - 1 Comment
Portable device could deter dirty bomb attacks
The simple, portable device identifies materials through their characteristic energy signals. The three detectors are housed in a thermos-sized container that is connected to a laptop computer. The device issues a signal turning the laptop display bright red when nuclear material of interest is identified. (Credit: Denise Applewhite)
