Secrets of the Metamaterials that Will Make You Invisible

Invisibility used to be the stuff of comic books and Harry Potter novels. But this week, scientists from UC Berkeley have emerged with two new invisibility-producing "metamaterials," engineered substances that bend electromagnetic waves in ways they've never bent before. They call it "negative refraction." But you… » 8/12/08 3:20pm 8/12/08 3:20pm

Your Floor Can Glow in the Dark with Luminescent Gravel

Ever wanted to create luminescent designs or safety arrows in your floor, but weren't too crazy about those crappy, glow-in-the-dark stickers? Now a company in the Netherlands called Hidden Safety is marketing luminescent gravel, which can be mixed into concrete floors to create beautiful patterns or just point… » 3/18/08 5:02pm 3/18/08 5:02pm

Smart Paint Creates Moving Logos on Your Pop Bottles

One squirt of smart paint could create a small moving picture on the next bottle of pop you buy. This paint, which is being developed at the University of Warwick in the UK, essentially smears an electrical power system onto any surface: bottle, computer, even your hands. The electrified surface could then display a… » 3/04/08 7:00am 3/04/08 7:00am