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

Cardioids in Coffee Cups

Cardioids in Coffee Cups

Featuring Ben Sparks... Check out the free trial from episode sponsor Brilliant - https://brilliant.org/numberphile

Footnote 1: https://youtu.be/8tqGQ22nnTA

Footnote 2: https://youtu.be/tKA7TqhBhnQ

Patreon extra: https://www.patreon.com/posts/126871802

SparksMaths accompanying video: https://youtu.be/tV4zlEpd7lM

Ben Sparks: https://www.bensparks.co.uk
More Ben Sparks on Numberphile: http://bit.ly/Sparks_Playlist

A Problem with Infinite Hotel Keys

A Problem with Infinite Hotel Keys

The Tea Lady Experiment

The Tea Lady Experiment