/sci/ - Science & Math

>>12662155
because these joins stiffen up in vacuum, like a car or bicycle tire gets harder as you pump air in it
you don't actually need all that much pressure, but enough to make moving around in it a real pain in the ass for more than a few minutes

try taping bike tire inner tubes pumped to 1 bar to your legs and go for a 1 mile run, see how it feels like