Physical Review Letters

Physicists investigate onset of effective mass

( —Although mass may seem to be a fairly straightforward concept, from a physics perspective it can be much more complex than weighing an object and reading off a number in grams. For instance, an object's mass ...

May 21, 2014 feature
4.8 / 5 (36) 9

When liquids behave like solids

( —When a rubber ball and a droplet of water are compressed onto a solid surface, they behave very differently. For the ball, the compression process is reversible, so the ball retains its original ...

Dec 10, 2013 feature
4.5 / 5 (15) 0 | with audio podcast

Could 'Higgsogenesis' explain dark matter?

( —The recently discovered Higgs boson is best known for its important role in explaining particle mass. But now some physicists are wondering if the Higgs could have played an equally significant ...

Oct 22, 2013 feature
3.7 / 5 (47) 38 | with audio podcast