How Brazil Nuts Solved A Mystery About Asteroids

When Japan's Hayabusa spacecraft photographed the asteroid Itokawa in 2005, scientists were puzzled by what they saw: The total volume of boulders strewn about its surface were greater than the volume of the craters they were supposed to have come from. Now physicists have an answer... by studying the movement of nuts. » 7/16/14 7:20am 7/16/14 7:20am

A Simple Experiment Could Change Our Understanding of Quantum Reality

The rules of the quantum world — where everything is probabilistic, until observation fixes it — may be a lot less indefinite than we thought. A new experiment shows that liquids have properties that physicists once thought were confined to the quantum level. And this could be a big breakthrough. » 6/30/14 11:05am 6/30/14 11:05am