Skateboards were organically developed in the 1940s and 1950s; 30 years would then pass before the ollie was developed, unlocking new realms for skaters dedicated to the artform. The advent of ...

In this instructive video, you'll learn how to make a powerful DC motor at home using readily available materials. This ...

Discover how to make a motor generator using a key in this step-by-step tutorial. Learn the principles of transforming ...