Infinite Circles
Professor Holly Krieger discusses filling an infinite plane with circles - without them touching or overlapping.
More videos with Holly (playlist): http://bit.ly/HollyKrieger
More videos about circles: https://www.youtube.com/playlist?list=PLt5AfwLFPxWJnoD6PZVQJvDW3l_cIpuiw
Dr Holly Krieger is the Corfield Lecturer at the University of Cambridge and a Fellow at Murray Edwards College: https://www.dpmms.cam.ac.uk/~hk439/