17:09

Perplexing Paperclips - Numberphile

1:01:13

A world from a sheet of paper - Tadashi Tokieda

9:42

There is only One True Parabola

13:25

Impossible Squares - Numberphile

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The Centrifuge Problem - Numberphile

11:12

Mysterium Cosmographicum

6:34

The Most Powerful Dice - Numberphile

17:08

Beware the Runge Spikes!