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Pavlov's Frog writes: I once spent 20 minutes with my eyes closed to see what it was like being blind. I smashed my knee on the kitchen cupboard, and decided I'd be better off deaf as you can still watch television.
( , Thu 24 Jul 2008, 12:00)
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powering down the magnet "somehow" causes the room to accelerate upwards and the ball's inertia causes it to remain static.
The real challenge in your experiment is to prove that the "somehow" doesn't happen.
( , Fri 25 Jul 2008, 22:50, closed)
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