Invisible Motion Captured in Video by Scientists

When you see people or things, there's literally always more than meets the eye—a person's heart rate and blood flow or slight movements in an object, for example. But most of that is invisible to us! Maybe not for long. A team of MIT scientists have managed to reveal those invisible motions in video. It's fascinating. » 2/27/13 11:25pm 2/27/13 11:25pm