Bizarre Spinning Glue

Get 4 months free when you buy a 2 year plan of NordVPN: https://nordvpn.com/steve and use promo code “steve” at checkout. PVC cement (it’s technically not glue) spins in water. It might be because the solvent is being expelled onto the surface of the water creating jets the propel the blobs around. You can buy…

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BIZARRE spinning toys

Spinning toys and tops have unusual behaviors. The famous tippe top flips itself over and spins on its stem. The PhiTOP stands up on its end, which you can also do with a hard-boiled egg. These behaviors all have to do with torque and angular momentum, like a bicycle wheel precessing around a rope due…

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