Ferrofluid on a screw gif
Adam Rifkin stashed this in Oddly Satisfying
3 million views on Imgur?!
Imgur comments: http://imgur.com/45yiy4I
Reddit comments:
http://reddit.com/r/woahdude/comments/2y6m6s/ferrofluid_on_a_screw/
Stashed in: Science!, gifs, Best Videos, woahdude
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12:30 AM Mar 07 2015