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An Electromagnetic Quadcopter Demonstrates How Magnetic Levitation Works

Mesmerizing video demonstration from YouTube channel Veritasium.

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.

(via laughingsquid)


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