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Here is a video showing a compass made from a needle
magnetized with a silk cloth!
http://www.youtube.com/watch?v=wIGbNJDYdnM&feature=player_detailpage
From: Bob Sciamanda
Sent: Monday, September 12, 2011 10:00 AM
To: Forum for Physics Educators
Subject: [Phys-l] Movie Physics Gafs
I just watched “The Edge†(1997, Anthony Hopkins, Alec Baldwin).
Lost in the wild, Hopkins (playing a very knowledgeable
outdoorsman) makes a compass by floating a needle on a leaf.
But he “magnetizes†the needle by rubbing it with a piece of silk!