Washington (AP) -- Think of the possibilities in trying to hide from your boss if you had a cloak of invisibility.
While it sounds a lot like something from Harry Potter, it's not far-fetched and it's not far off.
A team of US and British researchers has developed a cloak that, in tests, managed to hide a copper cylinder. Microwaves that normally bounce off an object, making it visible, instead managed to pass around it, making the cylinder invisible.
While it's not quite perfect, experts say it's a start toward a better version that could hide people and objects from visible light.
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