Every home needs an X-ray machine, and you can build your own for roughly $20 with this guide. Includes schematics and safety directions.

Construct your own VandeGraaff generator and gain an understanding of the theory of its functioning, including other electrostatic projects.

Canadian company offers electronic-project kits, assemblies, and components for industrial, hobby, educational, and professional use.

Make your own solar-powered stove, with a variety of step-by-step construction plans and illustrations.

Discover the basic principles of stepping motors, from the physics of their operation to the electronics and software of their control.