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xkcd #3033: Origami Black Hole
(xkcd.com)
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I think she didn't fold it in half then half. Buy I'm not sure.
She did, after deriving the formula for the needed paper size. Also, the Mythbusters seemed to have used a steamroller, so I wonder if it was still a folded piece of paper, or more a block of paper similar to how damascus steel is made.