The great unappreciated weakness of invisibility cloaks is that they only make things invisible to human eyes. Or x-ray imagers. Or ultraviolet sensors, infrared image analyzers, echo-location audio ...

Chinese researchers have moved a long-running science fiction fantasy into the realm of working hardware, unveiling a prototype cloak that can make a person effectively vanish from view. Instead of ...

Imagine: You’re the proud owner of an invisibility cloak. What do you do? Do you sneak into concerts and make your way on stage? Spy on your friends to find out what they say about you when you’re not ...

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