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May 7, 2020 04:06 pm GMT
Original Link: https://boingboing.net/2020/05/07/what-does-a-fan-do-in-a-vacuum.html
What does a fan do in a vacuum chamber?
In this video of The Action Lab, the Action Man puts a small fan into a vacuum chamber and pours a bunch of little styrofoam beads in it. At atmospheric pressure the beads fly all over the place. As he reduces the pressure inside a vacuum chamber, the beads slow down and eventually stop moving. Pretty obvious, but still fun to watch.
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Original Link: https://boingboing.net/2020/05/07/what-does-a-fan-do-in-a-vacuum.html
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