Want to extend your car battery's lifespan? Switch off accessories, avoid long stationary periods, and protect your battery ...

We earn commissions from purchases you make using links in our articles. Learn more. Anyone who works on their car should have a multimeter, but they come in handy around the house too. Whether you ...

Mike Stewart] powers up a thrust meter from an Apollo lunar module. This bit of kit passed inspection on September 25, 1969. Fortunately [Mike] was able to dig up some old documentation which ...

Battery problems rarely arrive out of nowhere. Long before a car refuses to start or a phone dies at 20 percent, small changes in behavior reveal that the power source is struggling. I look for those ...

For around $25, the Neoteck TS20D is a fully-featured, well-made, and decently accurate tool that will handle most multimeter-related tasks. It's small enough to drop into a pocket or toolbox, durable ...

A weak battery rarely announces itself. One day the car starts fine, the next, just a click and silence. Most battery ...

Abstract: Advanced pulse alternator designs require rotor surface speeds in excess of 1000 m/s. High tip speeds and an operating environment consisting of partial vacuum result in frictional windage ...

Keeping warm on a motorcycle while riding through winter not only means you can have more fun out on the bike – whether it’s ...

Windows 11 has a built-in report that provides insight into your laptop's battery health, including whether a replacement is actually needed.