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

Tentacles Akimbo

Tentacles Akimbo

Brady Haran
Cliff Stoll, Topology, Glass, Knots
Cliff Stoll and glass-blown topology - interview continues at https://youtu.be/Iv71QEId4ck --- We're uploading Cliff videos like this for the next three Sundays. (with other stuff during the week!) More links & stuff in full description below ↓↓↓ More videos with Cliff: http://bit.ly/Cliff_Videos Cliff Stoll's Klein Bottle business: https://www.kleinbottle.com Our thanks to glass blower Lucas Clarke and the students David O'Connor, Shane Gibbons and Mikkel Frøland.

Additional information

Cliff Stoll and glass-blown topology - interview continues at https://youtu.be/Iv71QEId4ck

More videos with Cliff: http://bit.ly/Cliff_Videos

Cliff Stoll's Klein Bottle business: https://www.kleinbottle.com

Our thanks to glass blower Lucas Clarke and the students David O’Connor, Shane Gibbons and Mikkel Frøland.

Strings and Loops within Pi

Strings and Loops within Pi
Pentagons and the Golden Ratio

Pentagons and the Golden Ratio