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Magnet paper or magnet film shows you where magnetic fields are. With MKBHD, Dianna explores how magnetic paper works, what devices look like with the paper, and a mystery magnet. Supoort Dianna during her recovery - patreon.com/physicsgirl http://physicsgirl.org/ http://twitter.com/thephysicsgirl http://facebook.com/thephysicsgirl http://instagram.com/thephysicsgirl Check out MKBHD: https://YouTube.com/MKBHD Creator: Dianna Cowern Editor: Levi Butner Research: Dan Walsh Thanks to Marques Brownl