Hold On To Your Hats (And Wear a Helmet)! The Hovercrafts Have Arrived.

The future is here! Just like out childhood cartoons promised us, we now have hovercraft technology. About time, right? The Hendo Hoverboard uses a magnetic field that allows it, and a full-sized human on top, to defy gravity and hover above the ground. Despite Earnshaw’s theorem, which says

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