"The Hypercube: Projections and Slicing" 1978 Awardwinning computer animation.
Fantastic tutorial of how to visualize hypercubes.

I cleaned up the audio. Original was BETAMAX. Copied from web.

"The Hypercube: Projections and Slicing"

by Thomas Banchoff and Charles Strauss, Brown University, was awarded the Prix de la Recherche Fondamentale at the International Congress of Scientific Films in Brussels in 1978, the year it was produced. It was featured in a plenary lecture at the International Congress of Mathematicians in Helsinki in that same year.