Magnetism was already discovered 2500 years ago in India. And it was posible to made a thin pieces of copper or iron as wires. So it is possible to make : 1. Electric motor and generator. 2. Telegraph or telephone. 3. Maybe a lamp, if I could get a thin glassware.https://twitter.com/zedshaw/status/1091801602514661376 …
Interesting, but making a magnet through rubbing metal takes a long time. What about just finding some magnetized metal that already exists? Like a load stone.
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I should say, making a magnet *strong enough* for usefulness by rubbing probably takes too long, but finding one should be possible?
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Well, the magnetization process more or less would be like the modern method, by heating the metal to the highest temperature that I could get just before it melted down, and then let it cool beside the existing magnetized metal.
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