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Magnetic_Visualization-3 | by ttstam
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It's Friday night, and I didn't have a date lined up to go see Wall-E. have a big order for my 3D Printing business that I'm filling, and decided to stay in the shop for some clean-up.


I found a bottle of Ferrofluid and an old 8Gb hard drive...




Vial of ferrofluid in denatured ethyl alcohol sits on top of a hard drive magnet. A 58mm reversing EOS mount adapter (for a poor man's macro) acts as a spacer. Note the field lines shaping the ferrofluid along the 2 poles of the voice-coil magnet.


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Taken on June 28, 2008