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

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 ...

When challenges at home or concerns about the world at large begin to creep into your thoughts during the workday, it can be difficult to stay present and productive. These persistent distractions can ...

NRA contribution data is from the 1998 through 2018 Congressional cycles and does not include individual expenditures or communication costs.

Your family might use plastic straws, water bottles, and bags for just a few minutes, but those items don’t disappear when they’re thrown out. Single-use items like these account for more than 40 ...