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Originally posted by slank
They have to keep scissors and other metal objects far away from MRIs because them become lethal weapons if the magnetic field gets ahold of them. They get sucked straight through air by the power of the magnetic field.
metal objects in the room with the MRI machine can become dangerous projectiles; paperclips, pens, keys, or scissors can be pulled out of pockets and sent flying toward the opening of the magnet (where the patient is placed) at very high speeds.
Originally posted by Shadow88
Wuld it be possible to build a particle accelerator, but really small, say 1m in diameter? Would there be any point???