While using a digital multimeter to diagnose electrical problems on customers’ equipment, I frequently hear the comment, “I’ve got one of those multimeter things, but I never learned how to use it.” ...

Dialing in your aperture, shutter speed and ISO doesn't have to be a game of guesswork when using manual mode. If you're consistently getting overly dark or light photos, you may just need to learn ...

Most people don’t think about air quality until it becomes a problem. It might not be random if you’ve ever felt sluggish in a home office or noticed your allergies acting up indoors. CO2 levels, ...

They’re called smart meters. And both Con Edison and NYSEG utility companies say they are a way for customers to keep watch on energy use and to save money. Con Edison said on its website it has ...