alt Hacker NewsYeah, love that idea of progressive velocities. I ant someone to at least build a short test track like this so we can play with it.
Seem to recall they were called "slidewalks" by some Sci-Fi author—probably Heinlein, eh?
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bryanrasmussen • last Sunday at 11:32 PM
so assuming inner sidewalk moving at 100 mph, next outer at 95, and each moving at 5 per less, when big muscular terrorists placed on s-100 carrying a big cardboard box filled with nails and throw it as quickly and hard as possible so that the box of nails open up over s-75 at what velocity are the nails raining down on pedestrians on s-75?
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Larry Niven called them slidewalks and I've always been sorry this terminology never caught on.