One of the many awesome things about physics is you can study it anywhere. I’ll prove it with a fun problem that involves a cart and a ball. Not just any cart, but a cart that rolls along a table and ...

[Herman Erlichson was a physicist and a historian of science (he had Ph.D.s in both). He was also an avid golfer - and my uncle. He passed away just over a year ago, and I've been wanting to write ...