Physics marble track review part one // Homemade Science with Bruce Yeany
7:37
Big High Low track // Homemade Science with Bruce Yeany
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The mysterious isochronous curve
6:03
9 Amazing Magnet Gadgets!
2:26
Kinetic art object, Perpetual motion machine Idea, Marble Machine 永久運動機
7:49
Building physics marble tracks-loop de loop track part 2 // Homemade Science with Bruce Yeany
8:20
Should a Person Touch 200,000 Volts? A Van de Graaff generator experiment!
9:58
Gravity Visualized
7:02