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

The Uncracked Problem with 33

The Uncracked Problem with 33

Update March 2019: 8866128975287528^3+(-8778405442862239)^3+(-2736111468807040)^3

33 is the lowest unsolved problem in the world of "summing three cubes". But 30 was also a tough nut to crack!

Featuring Tim Browning from the University of Bristol.

Taxi Cab Numbers: https://youtu.be/LzjaDKVC4iY

Fermat's Last Theorem: https://youtu.be/qiNcEguuFSA

Cutting a Klein Bottle in Half

Cutting a Klein Bottle in Half

How DNA unties its own knots

How DNA unties its own knots