In this insane video, a stream of water actually juggles two balls

And watch it in slow motion! This amazing video shows how a couple of researchers juggle ping pong balls with a stream of water - at times actually throwing in a new ball and letting the water throw the old one back. » 11/08/13 4:00pm 11/08/13 4:00pm

The Forgotten Gadget That Powered The Industrial Revolution

Recently, a group of students at Purdue University used a simple device to make a ping-pong ball break the speed of sound. But that's not the coolest part. The device they used, called a de Laval nozzle, is actually centuries old. It's no exaggeration to call this the gadget that made the industrial revolution… » 2/18/13 11:44am 2/18/13 11:44am