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xkcd #3033: Origami Black Hole (xkcd.com)

submitted 3 days ago by [email protected] to c/xkcd

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You may notice the first half of these instructions are similar to the instructions for a working nuclear fusion device. After the first few dozen steps, be sure to press down firmly and fold quickly to overcome fusion pressure.

https://explainxkcd.com/3033/

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[–] [email protected] 2 points 2 days ago

That gives me an idea for a sci-fi weapon. It squeezes a few grams of stuff into an unstable black hole, which then releases all of the energy in a massive explosion.

If there was a compression ray, it could cause a few pico grams of matter to form a black hole on the surface of the target. If you pulse it very quickly, you get the appearance of a continuous cutting beam. Obviously, those explosions would be very loud and they would emit lots of radiation, so maybe it could be a tank mounted weapon.