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 ...

And why letting people come up with their own ideas, and actually try those ideas, is almost always the best approach.

You’re sitting across from an angel investor, heart racing, as they ask the question you knew was coming: “So… what’s your ...

This inflation calculator uses the change in the Consumer Price Index (CPI) from 1913 to 2025 to estimate the U.S. dollar's buying power and future value.

DST will end at 02:00:00 AM, Sunday, Oct 27, 1918. When local clocks are to be set backward by 1 hour.