Physics news

Can dark energy be explained by symmetrons?

(Phys.org)—A field that permeates the universe and gives rise to a new force, or "fifth force," between massive objects may be a candidate for dark energy and an explanation for why the expansion of the ...

Jan 28, 2013 feature
4 / 5 (32) 60 | with audio podcast

Metal surface can repel electric charges

(Phys.org)—Metals are known for being good electrical conductors. Due to this property, a stationary electric point charge placed outside a metal will cause the electrons in the metal to redistribute in ...

Jan 08, 2013 feature
4.4 / 5 (12) 1 | with audio podcast