Editor-tested and researched portable and whole-home options keep appliances and other essentials running during an emergency ...

A single phototransistor mimics retinal bipolar cell function while detecting visible and infrared light, enabling low-power ...

This dual-fuel model is quiet and built to power sensitive devices and smart appliances. It’s also $1000, which makes it a great value.

Whatever brings you — or your partner or child — into therapy, the world of mental health care is changing fast to respond to the extreme stress most of us are feeling now.  A new psychotherapy, ...

Leviton's excellent 2nd-gen motion-sensing Wi-Fi smart dimmer (model D2MSD) can be combined with a wireless, battery-powered ...

Both inverter and standard generators run on fossil fuels and emit carbon monoxide (CO) fumes in their exhaust and must be operated outside, at least 10 to 20 feet from the house and away from any ...

The best space heaters quickly warm up a cold space. We tested 25 heaters from Vornado, Lasko, and Dreo rating warmth, energy efficiency, and safety.

Turning genes on and off is like flipping a light switch, controlling whether genes in a cell are active. When a gene is ...

In recent years, power outages caused by extreme weather or substation attacks have exposed the vulnerability of the electric grid. For the nation's military bases, which are served by the grid, being ...

This set of shorter video clips is taken from the Live Lesson programme and can be used to teach individual topics. A look at a simple series circuit and the use of electrical symbols in a diagram.

SEPTA maintains trains are safe, but acknowledges need for $1.8 billion in new equipment. The Federal Rail Administration has ordered SEPTA to immediately conduct another round of employee safety ...