Ferrofluid

I know I posted about this stuff befor , but I didn't know what it was called , evedently its called Ferrofluid,
Ferrofluid is a very interesting material originally developed by NASA it has now found itself been used for a whole range of devices including dampers for controlling and stabilizing large building that move around in the wind.

http://www.99express.com/posts/ferrofluid_sculptures.htm


Cool stuff :)

It's $25 for a bottle of Ferrofluid. Now that would be a unique gift.

Oops, forgot the [color=Red]warning[/color].

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Though not inherently toxic, Ferrofluid is NOT a kids toy -- it stains skin, clothing and tabletops quite readily.
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