Fiber optics can easily bend light around objects, but an event cloak bends time, too It's no illusion: Science has found a way to make not just objects but entire events disappear, experts say.
Magic? Material would adjust speed of light [once imagined to be constant] to hide actions, physicists say. According to new research by British physicists, it's theoretically possible to create a material that can hide an entire bank heist from human eyes and surveillance cameras. "The concepts are basically quite simple," said Paul Kinsler, a physicist at Imperial College London, who created the idea with colleagues Martin McCall and Alberto Favaro. Unlike invisibility cloaks -- some of which have been made to work at very small scales -- the event cloak would do more than bend light around an object. More
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