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 ...

Years ago, no math education was complete without understanding how to compute a square root. Today, you are probably just reaching for a calculator, or if you are writing a program, you’ll ...

Test your sharp eyes and quick mind with a fun optical illusion challenge! Most numbers appear identical, but one is an 'inverted 45'. Spotting this hidden digit requires keen focus and mental agility ...