The Sensor Array That Made the Big Bang Discovery Possible

Astronomers have long sought tangible proof that the Big Bang caused the universe to violently and exponentially expand in the first few milliseconds of its existence. Now they have it, thanks in part to a radio telescope in Antarctica that recently detected primordial gravitational waves, the "smoking gun" evidence… » 3/18/14 11:40am 3/18/14 11:40am