Sometimes I have to write stuff so I won't forget how to do it. This is one of those times. In my recent post on the angular size of a soccer goal, I created a contour plot. Despite what you might ...

Driving a spacecraft around a planet isn’t anything like driving on a planet. A physicist explains orbital navigation. The ‘10 Martini’ Proof Connects Quantum Mechanics With Infinitely Intricate ...

Interactive Python modes are an easy way to learn new libraries. Scripting languages are easy to learn on their own because ...