Physics - Plasma Physics news

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
4.9 / 5 (11) 9 | with audio podcast

Understanding the turbulence in plasmas

A longstanding joke holds that practical fusion power is about 20 years away—and always will be. One simple phenomenon explains why practical, self-sustaining fusion reactions have proved difficult to achieve: Turbulence ...

Apr 29, 2013
4.9 / 5 (11) 2 | with audio podcast

Putting a new spin on tokamak disruptions

In the quest for fusion energy on earth, researchers use magnetic fields to insulate hot plasma from the walls of the chamber to maintain the reaction and prevent damage to interior surfaces. In the tokamak, ...

Nov 13, 2013
4.5 / 5 (12) 15

Vacuum arcs spark new interest

Whenever two pieces of metal at different voltages are brought near each other, as when an appliance is plugged into a live socket, there is a chance there will be an arc between them. Most of the arcs people ...

Nov 08, 2010
4.5 / 5 (11) 3 | with audio podcast

Astrophysicists recreate stars in the lab

Astronomers are recruiting the physics laboratory to unravel the high energy processes involved in formation of stars and other critical processes within the universe. Experiments with high energy radiation and plasmas in ...

Dec 12, 2008
4.5 / 5 (11) 3