Build This Wave Machine With Duct Tape, Kebab Skewers, and Candy

A lot of people use Slinkies to introduce kids to waves. But Slinky waves can move too fast for people to really wrap their heads around. Instead, science teacher and filmmaker Alom Shaha suggests, they should try this wave machine. You can build it yourself, and you can do it on the cheap. Here's how. » 12/03/14 10:48am 12/03/14 10:48am

Latest cloaking device idea would make boats invisible to waves

We've seen lots of steps toward invisibility cloaks that can bend different wavelengths of light and conceal objects. And then there's inaudibility cloaks, anti-vibration cloaks, and time cloaks. Get ready for the latest insane advance in cloaking technology. » 3/04/12 5:30pm 3/04/12 5:30pm