Magnetic Levitating Flying Saucer UFO Bluetooth Speaker
Hot Computer Stuff
In 1893, at the Chicago World’s Fair, Tesla demonstrated his Egg of Columbus invention that demonstrates rotating magnetic fields. It can get a copper egg to stand on one end. Since then, there have been many reactions of it. This one is a compact version of it that you can easily display on your desk or in any classroom for physics demonstration.
This toy has a silicone steel core an a transparent acrylic structure. It works with many cool desk toys, including the PhiTOP. It simply rotates two magnets to create a magnetic vortex and make a metal egg stand up.
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