While an engine compression tester may not be the most common tool in a mechanic's garage, they can be very useful, ...

Most of us know that a neon bulb requires a significant voltage to strike, in the region of 100 volts. There are plenty of circuits to make that voltage from a lower supply, should you wish to ...

Remember The Clapper? The plug-in staple may have made for a catchy jingle in the 1980s, but it could also be considered as a ...

If you’d like to fix or even diagnose anything involving electricity – whether it’s the energy that surges through a car, ...