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.

The numbers you see on the box don't always work out in real life. LED bulbs do last longer, but those claims about five to 10 years are estimates based on internal testing -- and companies are always ...

Phantom energy is the easiest line on your electricity bill to tackle—and it’s not as mysterious as its name suggests.

Discover the fascinating world of alternative energy with our latest exploration: a Free Energy Light Bulb using a Magnet Motor. In this video, we delve into the innovative techniques behind ...

As temperatures dip and budgets tighten, households are searching for simple ways to stay warm while keeping energy costs ...

That means inside every LED bulb are tiny circuit components -- and their soldered contact points -- which are far more vulnerable than the diode itself. The Lighting Research Center of the Rensselaer ...

A surprising new study has revealed how 40 years of work to repair the ozone layer may end up causing its own climate change ...

Plus, companies may use sneakier language, like "up to seven years," which means they're probably doing serious weighting toward the very top performers in their bulb testing, making it more likely ...

CNET's experts have tested the best air purifiers on the market for price, size and performance to help you breathe more ...

Here's an overview some of the major electrical issues to watch out for and learn how to prevent them from happening.

The final (equilibrium) of acidic and acidified foods must be 4.60 or less. Calibrate your pH meter before testing foods. Prepare and test 2 to 3 samples to ensure an accurate pH value. Using a pH ...

You can test ketone levels at home using a urine dipstick or a blood ketone meter. If you have diabetes, check for ketones when your blood sugar is high or when you're sick. Talk with your healthcare ...