Hyperloop One engineers demonstrate the power of maglev using spinning arrays atop a copper plate. Despite weighing over 100 pounds, the gadget floats and could hold considerably more weight.
Obviously this "quadcopter" is a demonstration device, showing how moving magnets over a conducting surface can generate levitation. It has not been optimized to minimize losses or be an efficient mode of transport. I still think it's pretty cool. I'm used to seeing light things levitated by induced currents but not a 100+ lb machine.
He does a great job of showing how the mechanics work, and he demonstrates another form of maglev that gets extremely hot. All very interesting!
• Electromagnetic Levitation Quadcopter (YouTube / Veritasium)
Physics Toys is a website (and Instagram account) of kinetic curiosities. Check out all the cool double pendulums, which exhibit chaotic behavior that put fidget spinners to shame. Here’s a neat statuette of an alchemist who have a levitating magnetic cube between his hands. The Alchemist: cast from diamagnetic Bismuth, a neodymium cube magnet levitates […]
Maximum Lean Angle I can’t even touch my toes.
Chinese researchers demonstrated quantum entanglement at a record distance, between a satellite and ground stations 1,200 kilometers apart. When objects are quantum entangled, their quantum states are linked. Measuring the state of one affects the state of the other. It’s weird shit. So weird that Einstein called it “spooky action at a distance.” The experiment […]
The Pry.Me Bottle Opener holds tens of thousands of times its own weight, and you can pick one up now from the Boing Boing Store.This remarkable keychain is considerably smaller than any of your keys, but don’t let that fool you: it can easily open any bottle, and could even tow a trailer full of […]
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