Marcus L. Rowland (ffutures) wrote,
Marcus L. Rowland
ffutures

Magnetic Train

Powerful rare earth magnets allow some interesting tricks - this one's a self-propelled "train" made of a battery and some magnets, running inside a copper coil. If I was working I'd probably want to try this, though I'm willing to bet it kills the batteries (which look like small camera batteries such as AAAA) fairly quickly.

Tags: science
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