Logarithms: What is e?

A concise, straightforward explanation of Euler's number.

AI: Gradient Descent

An interesting look at how neural networks learn. Though game-changing, I still think artificial intelligence is overhyped and a long ways off from outperforming any idiot with a smartphone. Nevertheless, I am investigating how it works and will probably have my own universe-destroying superintelligence app by next Christmas.

A Beautiful Mind (2001)

His theory fails to account for the happiness of the pretty girl.

Russell Crowe, Ed Harris, Jennifer Connelly, Paul Bettany, Adam Goldberg, Judd Hirsch, Josh Lucas, Anthony Rapp, Christopher Plummer. Director: Ron Howard.