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Bampot

Searching for small primordial black holes in planets, asteroids and here on Earth (www.sciencedirect.com)

submitted 2 weeks ago by Bampot to c/jingszo

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Alternatively, a fast black hole can leave a narrow tunnel in a solid object while passing through it. For example, a 10 22 g black hole should leave a tunnel with a radius of 0.1μm, which is large enough to be seen by an optical microscope. We could look for such micro-tunnels here on Earth in very old rocks, or even glass or other solid structures in very old buildings. While our estimate gives a very small probability of finding such tunnels, looking for them does not require expensive equipment and long preparation, and the payoff might be significant.

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[–] partial_accumen 1 points 2 weeks ago

Wouldn't a small PBH emit x-rays on contact with matter at its event horizon or would it not work that way in Earth's atmosphere?