This is the Python material that does not get left behind. Almost none of it is replaced by a framework later. Learn it, and keep this cheat sheet close by as a handy reference.

I am sometimes consulted about body mechanics. The other day, an acquaintance who plays billiards asked me about "how to practice hitting the ball straight." I talked about things like using the ...

When is a billiard ball not a billiard ball? When mathematicians get involved and view a popular game as a model computer. When you send a ball across a table and it hits the sides, it follows simple ...

Plastic pollution is one of the most pressing environmental issues of our time. Big corporations have convinced us for years that single-use plastic is a necessity in this fast-paced, consumer driven ...

It's hard to imagine a system of physics simpler than a billiard table. Send a ball across the table, and its path follows a simple rule: It travels in a straight line until it hits a wall, then ...