Physics and Python stuff. Most of the videos here are either adapted from class lectures or solving physics problems. I really like to use numerical calculations without all the fancy programming ...

Outside the US, Pi Day should probably be July 22 (22/7)—this fraction is a surprisingly good estimate of pi. You can find the value of pi with a mass and a spring.

A Google employee from Japan calculated the most accurate value of pi at 31 trillion digits and shattered the world record, the company announced in a blog post on Thursday, or "Pi Day." Emma ...

A Google employee has broken the world record for calculating pi just in time for the mind-bogglingly long number’s special day.