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by sbierwagen
898 days ago
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It's easy enough to build a hoverboard with spinning magnets over copper plate: https://www.youtube.com/watch?v=HSheVhmcYLA As you can see, it's not actually that fun to ride. It hovers in every direction, like standing on an ice cube. The reason ice skates and roller blades work is they have low friction only along one dimension, so you can still apply force to the ground along the normal vector. |
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Thinking of the 11 rubes who paid $10k each for their own uncontrollable hoverboards that only work over conductive surfaces.
https://www.kickstarter.com/projects/142464853/hendo-hoverbo...