Comment on Chain Fountain videos
Chain Fountain 2 – Drill powered spool https://www.youtube.com/watch?v=bcsb1xAv7XA When the beads are in a jar, they have a vertical component of velocity to go up and over the rim, so the beads trajectory follows gravity. Since stress travels through the beads much faster than the beads themselves, the force of the faster beads in the
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