Transformer
Clyde A. Crowley describes how to design and build your own transformers.
You Can Design And Build Transformers (original article)
Oct 262010
Floating Hydroelectric Plant
F. D. Burke describes how to build an interesting floating hydroelectric plant.
A Floating Hydroelectric Plant (original article)
Solenoids
Curtis Ralston describes in simple terms how to design solenoids.
Designing Solenoids (original article)
