News tagged with energy density

Is dark energy static or dynamic?

(Phys.org)—While hypothesized dark energy can explain observations of the universe expanding at an accelerating rate, the specific properties of dark energy are still an enigma. Scientists think that dark energy could take ...

Nov 12, 2012 feature
4.5 / 5 (19) 48 | with audio podcast

Researchers build better earthquake simulator

(Phys.org)—Traditional earthquake simulators have generally functioned by pressing two pieces of rock material together at high pressure until they reach a breaking point, resulting in something similar ...

Oct 05, 2012 report
not rated yet 1 | with audio podcast