Infinitely Many Touching Circles - Numberphile
Infinitely Many Touching Circles - Numberphile Featuring Matt Henderson.
Check out https://www.kiwico.com/Numberphile and get 50% off your first month of any subscription. (sponsor)
More links & stuff in full description below ↓↓↓
Matt Henderson: https://twitter.com/matthen2
More videos with Matt Henderson: https://bit.ly/MattHendersonPlmathematicslink