I like

[steezeandskis]

Im working on an omni directioanal drive train for an engineering project right now and i came across this. Not what were doing but still fascinating.

 

[Nicholas.]

thats pretty sweet. we have a thing like that when i was in middle school but it was just a constant velocity car. those are fun to play with.

 

[Swaggermager]

thats super sweet