Solution to http://www.youtube.com/watch?v=Td4mjJCo8sI
After a week, the cloth was removed from the puzzle for students to see.
Chaotic motion with a very simple setup. The pendulum appears to be perpetual, but it is kept going by the rotating magnets transferring their kinetic energy, due to their spinning, to the pendulum by magnetic repulsion.
ive never seen this in physics dep
puffcock 2 years ago
So simple... I like it!
Cyberphysics 2 years ago