This machine demonstrates something called “strain wave gearing,” which uses flexible components to eliminate backlash and cut down on weight. But if you’d rather just sit back, relax, and have fun watching this mesmerizing machine in action, that’s cool too.
[youtube https://www.youtube.com/watch?v=jvideo18921&w=100&h=500]
Read more: http://www.wimp.com/this-lego-contraption-is-oddly-mesmerizing/
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