supergake
well, depends what it is. If it's one of them quantum levitation things then yeah they exist, but the whole skate area would need to be metal or a magnet or whatever.
www.youtube.com/watch?v=VyOtIsnG71U
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HappyToast Groat froth, Wed 24 Jun 2015, 16:09,
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According to the write-up I read early they put metal under the skate park surface.
www.wired.co.uk/news/archive/2015-06/24/lexus-hoverboard
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Cerebus Sticky! Sticky! Stick! Stick!, Wed 24 Jun 2015, 16:23,
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