How does the govt/military change the configuration of the large magnets they use for rail guns ?
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I think I have a peaceful use for the effect they use to project high speed projectiles.
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Answer:
Magnetism is simply the movement of charge. If you take a coiled wire, and put an electrical current through it, you will in effect get a magnet.
mr.edeas... at Yahoo! Answers Visit the source
Other answers
The magnets aren't solid "metal" magnets, they are alectromagnets built with coils. They can make any changes they want electrically
Fat Cobra
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