Popular Science reports on scientists messing around with something that could cause the end of the world: pocket-sized laboratory-made black holes.
Unlike a regular black hole, which traps light using the gravitational pull of the dead star at its core, this simple metal disc uses the geometry of 60 concentric rings of metamaterials to lock up light…bending beams into the center of the disc, and trapping them in the etched maze-like grooves.
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