When you need a multimeter for testing electrical equipment around the home, it's vital to know what all those symbols around the dial mean.

Researchers at the University of Stuttgart have created an “optical sieve” capable of detecting minute nanoplastic particles. Functioning much like a test strip, this innovation is designed to provide ...

Two mathematicians have proved that a straightforward question — how hard is it to untie a knot? — has a complicated answer.

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 ...

We earn commissions from purchases you make using links in our articles. Learn more. The alternator is a device that keeps your car’s electrical system running once the engine is on. It’s essentially ...