homeaboutarchives + tagsshopmembership!
aboutarchivesshopmembership!
aboutarchivesmembers!

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)