donut tutorial

A 1930s Chevrolet training film explaining the principles and development of the differential gear. It builds the idea step by step from first principles to the finished mechanism.

An episode of the comedic You Suck at Photoshop series in which Donnie Hoyle teaches distort, warp and layer effects while vandalizing a Vanagon in the image. It won Webby awards as a how-to and comedy series.