Similar to this:

https://mastodon.social/@franco_vazza/114551656962929541

but it's the top view.

Magnet free-falling through a copper cylinder is braked by the magnetic braking effect: induced Foucault currents on the surface of cylinder (vai Faraday law) induce magnetic fields, which push the magnet upwards and slow down the push of gravity.

#astrodon #science #physics #astronomy