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A comment on What Happens When You Drop A Magnet Inside A Copper Tube [video]. Parent comment

Re:What Happens When You Drop A Magnet Inside A Copper Tube ... by exhilaration on Tuesday February 04, 2014 @10:43AM (#7178092)
Incredible. For anyone watching, make sure you at least go past 2:20 - that's when they pull out the magnetic rail.
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