Tumours and tectonics: magnets making a mark
The Naked Scientists Podcast
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The Future of Junk
Researchers are seeking to use magnetic fields to grapple with a large and growing problem. That's the thousands of pieces of discarded junk that now orbit the planet. Much of this stuff isn't made from iron or one of the other handful of what we call ferromagnetic materials. By creating a changing magnetic field, you can induce an electric current to flow in conductive materials which produces its own magnetic field. And Jake Abbott is working on the idea at the University of Utah.
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