Engage the Cloaking Device


A popular gadget in science fiction is the cloaking device, a technology capable of rendering entire vehicles invisible. Recently, researchers at the University of Pennsylvania created what some call a cloaking device. What's going on? Sean Gladwell via Getty Images

A popular gadget in science fiction is the cloaking device, a technology capable of rendering entire vehicles invisible. Recently, researchers at the University of Pennsylvania created what some call a cloaking device. What's going on?

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