homeabout kottke.orgarchives + tags

Slow motion magnets

posted by Jason Kottke   Dec 22, 2011

If you drop a bunch of neodymium magnets down through a thick-walled copper pipe, an effect called eddy current braking will slow the magnets’ fall even though there’s no direct magnetic attraction between the copper and the magnets.

Science! (via make)

We Work Remotely