The alternator is a device that keeps your car’s electrical system running once the engine is on. It’s essentially a small generator that converts mechanical energy into electricity, bolted to the ...

The best way to tell if you’re getting what you’re paying for each month is by running a simple internet speed test. We'll show you how.

There are many tools available to check your heart rate, but if you don’t have one, you can still obtain an accurate reading ...

How do you take your blood pressure the right way? There are some simple steps to make sure you aren’t one of the many ...

In part 1, we examined the operation of power supply supervisory ICs that can detect when the supply voltage is too low, and ...

Tapo's smart power strip packs six outlets and tracks real-time energy usage - even when devices are turned off.