The baffling topology of the burrito method for covering your duvet
by Cory Doctorow from Boing Boing on (#27T43)
https://www.youtube.com/watch?v=DRPfudNNd8Y
Inhabitat's video explaining the "burrito" method for getting a duvet into its cover is both excruciatingly slow in places, and also fantastically baffling: how the actual fuck does this topological exercise work? (via Kottke)