News tagged with einstein

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

The dance of hot nanoparticles

(PhysOrg.com) -- "Brownian motion is a very old concept," Klaus Kroy tells PhysOrg.com. "The laws explaining it were formulated more than a century ago by Albert Einstein. However, we are finding some intere ...

Sep 08, 2010 feature
4.3 / 5 (17) 2 | with audio podcast

Can R2 gravity explain dark matter?

(PhysOrg.com) -- "In many ways, the standard model of cosmology works very well," Jose Cembranos tells PhysOrg. "However, there are very basic features that we just do not know. We have dark energy and dark matter. They d ...

Apr 20, 2009 feature
3.4 / 5 (81) 50

Cold Atom Laboratory creates atomic dance

Like dancers in a chorus line, atoms' movements become synchronized when lowered to extremely cold temperatures. To study this bizarre phenomenon, called a Bose-Einstein condensate, researchers need to cool ...

Oct 20, 2014
4.9 / 5 (10) 1