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 ...

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On a lot of DataFrame objects, the index will typically be an ascending list of numbers. If I have something with dates, I ...

1994 was the year that federally mandated low-flow showerheads, faucets, and toilets started to appear on the scene in significant numbers. How can you conform to the standards and help increase ...