Tuesday, May 3, 2011
Thursday, March 10, 2011
How about those magnets?
I stood on the ledge. I released the computer. It immediately fell down to the ground 20 feet below. It disintegrated upon impact. Hundreds of little pieces bouncing off the pavement in a random, unpredictable pattern.
Then I attached the hammer to the magnet. I shook the magnet. I waved the magnet. The hammer continued there, stuck on the magnet. I wondered, what happened to gravity? Why did the magnet prevent the hammer from falling? Is the force in the magnet f=g+x?
Maybe it was the force of my hand holding the magnet holding the hammer. Maybe.
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