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This is Numberphile. We mainly post videos about mathematics and just numbers in general.

Kakeya's Needle Problem

Kakeya's Needle Problem

The famed Kakeya Needle Problem, discussed by Charles Fefferman from Princeton University.

Edit and animation by Pete McPartlan
Film and interview by Brady Haran

17-gon: https://youtu.be/87uo2TPrsl8

Skewes' Massive Number

Skewes' Massive Number

Powers of 2

Powers of 2