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 ...

For years, a French mathematician searched for a proof that a gigantic number is prime. His method is still used 150 years ...

And why letting people come up with their own ideas, and actually try those ideas, is almost always the best approach.

Blue Prince features layers upon layers of puzzles, and not all of them are required to beat the game. As you explore both the Estate and the Grounds around it, you may encounter a puzzle involving ...

The longevity of Jobs’ 10-minute design session suggests the approach worked. The calculator survived nearly two decades of ...

I created a rudimentary calculator using only marbles. Watch as I demonstrate its functionality and explore the concept.

Tobi is a crypto writer at Investopedia. He aims to simplify the complex concepts of blockchain and cryptocurrencies for the masses. Stella Osoba is the Senior Editor of trading and investing at ...