Real M�bius Gear Will Melt Your Mind

This M�bius gear is absolutely mind-bending, and almost impossible to describe. It’s a toothed gear that only has one side, made by Berkeley robotics student Aaron Hoover using various 3-D printing methods. He was puzzling over an animation of such a gear in action and convinced himself that it could be made in real life. [...]

Source: http://www.wired.com/gadgetlab/2011/04/real-mobius-gear-will-melt-your-mind/

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