Smell-O-Vision, 3D, Surround Sound: How Movies Tickle Your Senses

People have tried to incorporate almost every physical sense into the moviegoing experience. But which ones have stood the test of time?

TestTube Plus is built for enthusiastic science fans seeking out comprehensive conversations on the geeky topics they love. Host Trace Dominguez digs beyond the usual scope to deliver details, developments and opinions on advanced topics like AI, string theory and Mars exploration. TestTube Plus is also offered as an audio podcast on iTunes.