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 tool ...

If you've ever wondered what those little circular cutouts in your grates are for, Scott Thomas, owner of The Grillin' Fools, has the answer.

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12 Ways to Live More Sustainably Every day we make choices in our lives that affect the environment, the climate and other species. From what we eat to how many children we decide to have, there’s a ...

Gross national product (GNP) includes GDP, income earned by residents from overseas investments, minus income earned by foreign residents.