Physics - General Physics news

Could primordial black holes be dark matter?

(PhysOrg.com) -- “We know that about 25% of the matter in the universe is dark matter, but we don’t know what it is,” Michael Kesden tells PhysOrg.com. “There are a number of different theories about what da ...

Sep 21, 2011 feature
4.1 / 5 (27) 48 | with audio podcast

Mars may act as a giant planetary pump

(Phys.org) —The surface of Mars is full of activity, with dust storms, dust devils, and drifting dunes in constant motion. Scientists suspect that similarly rich activity may exist underneath the surface, ...

Dec 23, 2013 feature
4.6 / 5 (28) 5 | 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

Physicists propose search for fourth neutrino

(PhysOrg.com) -- Physicists know that neutrinos (and antineutrinos) come in three flavors: electron, muon, and tau. In several experiments, researchers have detected each of the neutrino flavors and even watched ...

Nov 29, 2011 feature
4.8 / 5 (31) 41 | with audio podcast