A multimeter might look intimidating, but learning to use this simple electrician's tool will come in handy during a number of every day tasks.

Researchers at Forschungszentrum Jülich, together with international collaborators, have demonstrated for the first time that ...

One customer at an auto shop had a power drain issue that caused her to replace her car battery three times in one year.

Battery cell voltage is the most fundamental measurement made on the cell. While on the surface measuring voltage seems easy, ...

Look at almost any circuit, and it’s nearly sure that there will be a capacitor included in it. These two-terminal electrical components rank alongside resistors.

Wondering if you can actually wear your earbuds in the shower? Or keep that speaker by the pool? Check the IP rating.

One characteristic of adding PV solar to homes is a massive increase in high-voltage and high-current DC installations. With this comes a need for suitable breakers, but without the requisite ...

The proof, known to be so hard that a mathematician once offered 10 martinis to whoever could figure it out, uses number theory to explain quantum fractals.

Electromagnetic compatibility (EMC) testing ensures that electronic devices can function safely without causing or experiencing interference.

The WBT21 is also a watch battery tester with a big voltage display that will precisely test Silver Oxide 1.55V, Alkaline ...

Take tape measures, once a palm-sized object that housed a metal ribbon that could snap back enthusiastically -- has been transformed into a palm-sized device with with a laser inside. Yup, the ...

Corroded or loose battery terminals, frayed cables, or even poor grounding can cause high resistance. That points to intermittent voltage or circuit issues, despite a “good battery.” High resistance ...