A Four-Way Tetrahedral Rack Gearset That Works

June 29, 2018

This is a video of Youtuber Henry Segerman demonstrating the 'mathematical art' four-way tetrahedral rack gearset he designed and had 3-D printed by Shapeways (you can get your own HERE if you're interested). I thought it was pretty fascinating. I also thought it probably has zero functionality whatsoever besides being the key to perpetual motion and/or time travel. But what do I know? I'm just a man who got straight A's in the o' retikal fizziks and went on to teach it to the world's greatest minds. "Theoretical physics?" So I failed spelling, that doesn't mean anything.

Keep going for the video.

Thanks to D Shark, who's convinced this gearset is the key to economical, near-lightspeed spaceflight, which I believe.

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  • Ollie Williams

    This is the worst four-way I've ever seen.

  • Jenness

    idk they are getting friction, at least that is what the dude said. So that's something.

  • TheQiwiMan

    Come with me, I will show you far worse ones.

    *lovingly extends hand*

  • Bling Nye

    Man, that could (maybe?) have some great application inside an ovoid wheel or something where the shape could be altered as needed for traction/climbing/speed or whatever.

    Or it's entirely useless.

    Either way, it's cool.

  • Tigerh8r

    SKYnet is trying to buy the patent..

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Read More: 3d printing, beats me, desktop toys, fascinating, gears, good job, heck if i know, interesting, math, mathematical art, messing around with things, neato, perpetual motion, plastic, time travel, to infinity and beyond!, video, what are you doing?! you're gonna rip a hole in space-time!, who comes up with this stuff
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