1822

Francois Dominique Arago

The web has a lot to say about this character. The Arago experiment is in demonstration at Tekniikan Museo in Helsinki, Finland. I tried it out, and it seemed interesting. There was a magnet on top of a metallic disc. There was a pulley to rotate the metallic disc - when you would rotate the disc for a long while, the magnet that was hung slightly away from the surface of the disc, but still slightly far away from the disc, would start spinning. The finnish explanation which i wrote down said "Aragon koe.
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