Oak Ridge National Laboratory

Thermoelectric materials: recycling energy

(PhysOrg.com) -- For some years now, NASA has been using what are called thermoelectric materials to power its space probes. The probes travel such great distances from our sun that solar panels are no longer ...

Mar 31, 2011
5 / 5 (3) 4 | with audio podcast

Exploring the magnetic personalities of stars

(PhysOrg.com) -- Massive stars are inherently violent creatures-they burn, they churn, they turn, all the while creating and held hostage by constantly changing magnetic fields of almost unfathomable strength.

Mar 04, 2011
3.8 / 5 (14) 79 | with audio podcast

Another high-definition plasma

(PhysOrg.com) -- The sight of an aurora evokes feelings of mystery and awe in the weekend star gazer and scientist alike. The stargazer may ponder the vastness of our universe or how such vivid color can be ...

Feb 24, 2011
5 / 5 (2) 1 | with audio podcast