Tesla’s Egg of Columbus is one of our favorite Tesla inventions. It was invented by Nikola Tesla to demonstrate the idea of rotating magnetic field. It was first shown in 1893. It can make a metal egg stand upright by spinning it fast. Nowadays, you can buy various versions of it for science demonstrations. This is one of the largest ones yet. It has a concave tray made of acrylic and a large copper ring.
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You can switch rotation direction as you wish. This gadget has a core magnet ring, base plate, acrylic tray, and guardrail, which you can assemble in 5 simple steps. It has a footprint of 9.9 x 9.9 x 5.5″. We have covered a bunch of smaller versions that work the same way.
Tesla Egg of Columbus: 2 Cool Science Gadgets Tested 🟡 Gadgetify
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