If you know any grade-school kids who are learning computer programming, chances are they’re doing it with a turtle. Not a real turtle, mind you, but a turtle-shaped sprite on a computer screen. It ...

A method for creating graphic images in the Logo programming language. The "turtle" is an imaginary pen that is given drawing commands, such as go forward and turn right. On screen, the turtle is ...

Forty years ago, researchers developed a programming language that would become a brilliant educational tool. As I remember it, LOGO was a triangular turtle that roamed across the monochrome screen of ...

Children of the 80s may remember the Big Trak, a six-wheeled programmable toy designed to explore distant planets on the other side of the living room and the vast expanse of a two-car garage. The Big ...