Discover how to make a DIY hand-powered mobile phone charger using simple materials such as two small DC motors and a piece ...

A few weeks ago I was four-wheeling with some friends and their old Jeeps when disaster nearly struck. An electrical fire started in the engine compartment of one of the CJs and fried a wiring harness ...

Explore how a basic LED can be used as a tiny solar cell, generating measurable voltage under sunlight. This hands-on ...

There was a time when a hot rodder copied a basic wiring diagram out of a motor's manual and bought the switches, relays, and connectors at the local auto parts store. The wire was what was available ...