It's not exactly reinventing the wheel, but these new Aspiral Clocks come pretty close. This spinning clock uses a ball to tell time rather than conventional clock hands. Fun and functional!
Aspiral Clocks are handmade in London. The face of the clock slowly turns, sending the ball on a 12 hour journey along the spiral ledge. When it reaches 12 o'clock the ball drops through a hole and begins the process all over again! via: Design Milk