beats me

A Four-Way Tetrahedral Rack Gearset That Works

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...
June 29, 2018

Collapsing Grain Silo Causes Dust Explosion

This is a video of a grain silo collapsing in Switz City, Indiana, causing a grain dust explosion, possibly triggered by friction or static electricity. It really...
August 1, 2017