How do volcanoes work? What happens beneath their surface? What causes the vibrations—known as tremor—that occur when magma ...

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 ...

Divide your income among needs, wants, savings and debt repayment. Many, or all, of the products featured on this page are from our advertising partners who compensate us when you take certain actions ...

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 ...