Bikes don't stay up because of gyroscopic force or trail. Interesting, but the video doesn't clearly say why they DO stay up.
It looks like magic. A bike traveling at the right speed will steer itself--popping back up when it starts to fall. But why? A new paper by Andy Ruina, of Cornell University, Jim Papadopoulos, of University of Wisconsin - Stout, and colleagues challenges the conventional wisdom of whats required fo...
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