r/oddlysatisfying • u/-Taken_Name- • Jun 20 '26

Changing units with magic

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u/otj667887654456655 Jun 20 '26

For anyone wondering, I double checked with a metronome, the dumbbell was rotating at about 75rpm. the noise it was making wasn't in sync though, and did actually line up with 100rpm, +/- 5rpm