November 20, 2017 05:27 am PST
Original Link: http://feeds.boingboing.net/~r/boingboing/iBag/~3/DXQRaazAnQo/why-does-a-crumpled-paper-ball.html
Why does a crumpled paper balloon inflate when batted around?
Numberpile looks at an interesting phenomenon using a common Japanese toy: a small paper balloon that can be crushed and re-inflated. What's the science behind it? (more…)
Original Link: http://feeds.boingboing.net/~r/boingboing/iBag/~3/DXQRaazAnQo/why-does-a-crumpled-paper-ball.html
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