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It hovers about an inch above the ground. But when the 190-pound visitor stood atop the 100-pound board, one gentle push was enough to send him spinning across the room over a cushion of air.
The Hendersons have poured their life savings into hover technology and are hoping to create new industries based on this science.
Dustin Rubio, 39, an electrician who grew up skateboarding and saw “Back to the Future Part II” when he was a teenager, is not thinking quite that big.