For inventor and avid skateboarder David Patrick, it really is hip to be square: he invented a cube-inspired wheel which, he claims, is a big improvement over ages-old cylindrical wheels. He said he stumbled onto the design as he was playing around with various rounded shapes within a cube-like space. Or, more accurately, Patrick stumbled with the design: he recounts how he had accidentally dropped one of the shapes on the ground and it rolled away. "One day, completely by accident, we dropped it on the ground. And not only did it roll, it kept on going," he said. ...
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