@Stefan Wellner: GPT-3 says, "Time flows backwards!"

Philip Moriarty: Sounds of Pi: Six Nines In Pi (ファインマン・ポイント)

Edmund Copeland & Gregory Galperin: Pi and Bouncing Balls: Galperin’s Billiard Method of Computing Pi

Gregory Galperin

Edmund Copeland

N	Big Ball is	Collisions required to turn around
0	16 times bigger	3
1	1600 times bigger	31
2	160,000 times bigger	314
3	16,000,000 times bigger	3,141
4	1,600,000,000 times bigger	31,415
5	160,000,000,000 times bigger	314,159
6	16,000,000,000,000 times bigger	3,141,592

• M = 16 * 100^n * m
• Galperin’s billiard method of computing pi

Alex Bellos & Roger Bowley: Numberphile: Pi

Alex Bellos

Grant Sanderson: 3Blue1Brown: Understanding e to the pi i

Grant Sanderson

Archimedes: NOVA: Great Minds of Ancient Europe

Archimedes