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Currently Playing: I Built Feynman's Reverse Sprinkler To Solve a 140 Year Old Mystery

Go to https://melscience.com/sBgY/ and use code LABYEAR to get a year of science for $22.45 per month until April 4th! Harvard Paper: https://www.researchgate.net/publication/275345338_The_puzzle_of_the_steady-state_rotation_of_a_reverse_sprinkler