Physics and Python stuff. Most of the videos here are either adapted from class lectures or solving physics problems. I ...

March 25: “Hurrah, and vote for suffrage! Don’t keep them in doubt.” —Febb Burn, a 47-year-old widow, in a letter to her son, ...

The Trump administration has sent five times more people at least 1,000 miles compared to the last year of former president Joe Biden’s term.