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NASA's Rollercoaster For Moon Rocket Escape

Julian Morrison Skyscrapers? (128 comments)

I've wondered how people might be able to evac very fast from a damaged skyscraper - stairs suck, they're too slow, too prone to blockage, and they crowd up in proportion to building height. So, how about copying this NASA idea and using some system of escape pods and vertical free fall roller coasters?

more than 7 years ago

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