I started learning programming in eighth grade. It was on my school's first Apple II and the program that most sticks in my head was a short BASIC routine that had a small square bouncing around ...

The Scratch software was able to read the resistance of that circuit and make a cartoon cat grow or shrink in proportion, depending on where on the line Silver placed the pencil.

On the screen at the front of the room, the cat was getting across the road too easily despite the big blue dog and the automobile traffic. At the console across the room, computer science professor ...