While using a digital multimeter to diagnose electrical problems on customers’ equipment, I frequently hear the comment, “I’ve got one of those multimeter things, but I never learned how to use it.” ...

When your car doesn’t start, often a low or dead battery is the culprit. Unfortunately, most vehicle owners do not check their battery until it fails. As preventative maintenance, the suggested best ...

When former General Motors vice chairman Bob Lutz introduced the Chevrolet Volt concept car in 2007, he called it the company’s moon shot. Today the Volt is sitting on the launch pad and the countdown ...

Business writer Chris Knape accepted General Motors' invitation to test drive a preproduction Volt electric car last week and writes about his experience. When former General Motors vice chairman Bob ...

The power supply on a computer transforms the alternating current from the wall outlet into a direct current flow that the computer's components can use. Testing the DC voltage output of the power ...