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G.L) Ferrofluid

Ferrofluid has magnetic properties whilst retaining the properties of a fluid. Having been given some for a recent birthday I started to play...

NB. It is messy and toxic.

This is what it looks like when exposed to the magnetic field of three 6 mm neodymium magnets.

This is what it looks like when the same three magnets have been dropped into the fluid.

This is what happens when the stack of three magnets is first dropped into the fluid. It attracts a quantity of the fluid and whizzes round on much reduced friction.