Ferrofluid a magnetic liquid Made by NASA Is really cool and fun to play with.Its not a metal its a liquid with little particles of magnets in it.You can get it here
http://www.amazingma gnets.com/index.asp? PageAction=VIEWPROD& ProdID=108
A ferrofluid (magnetic liquid) was squirted onto a clear plastic piece above a strong magnet. The fluid doesn't spread out along the window like a normal fluid, but instead organizes itself along magnetic field lines. It's cool to see it crawl on the plastic.
