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mini black hole

Mini Black Hole for Microwave Energy Created by Chinese Scientists Could Have Green Uses

Two researchers from the State Key Laboratory of Millimeter Waves at Southeast University from Nanjing, China, have discovered and prototyped a device that acts like a black hole for electromagnetic waves in the microwave spectrum. It consists of 60 concentric rings of metamaterials, a class or ordered composites that can distort light and other waves.