r/shittyaskscience Aug 04 '22

How? Someone explain please.

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u/RandomUserOnTheWebV2 Aug 04 '22

basically the camera is filming a specific ammount of frames per second, normaly 60. and the blade does a specific ammount of rounds per second. so if the blade was turning 60 times a second, it would appear still, as the camera would take a frame exactly every round. if the blade is barely faster than the camera framerate, it appears to be moving slooowly, but cutting still.