Ferrofluid

[Oneironaut]

This stuff just amazes me. :eek:

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[The Cusp]

Yeah, but it's a lot less amazing when you see those amazing shapes are dependent on the shape of the metal (usually a screw) in the fluid.

The used that as a special effect in Smallville for Brainiac.

[Licity]

Here's a guide for making your own. This stuff is SO COOL!

http://www.instructables.com/id/Make-your-own-ferrofluid-in-5-minutes/

[Forsaken]

Yeah, but it's a lot less amazing when you see those amazing shapes are dependent on the shape of the metal (usually a screw) in the fluid.

The used that as a special effect in Smallville for Brainiac.Nuh uh, those spikes form in the fluid off of smooth faced neodymium iron boron magnets.

[The Cusp]

Nuh uh, those spikes form in the fluid off of smooth faced neodymium iron boron magnets.

Yeah, but the spiral towers form from screws with magnets attached to them.