Featured in power
What is a horsepower?
It's enough to power a coffeemaker or boil 2.2 gallons of water.
Mophie’s Powerstation AC fuels everything from laptops to curling irons
A solid emergency backup battery that's worth its extra heft.
Robert Afzal is developing powerful laser blasters for the U.S. military
Dynamite with a laser beam.
39 percent off an Anker 5-port wall charger and other deals happening today
The low-down on the day's best discounts.
In photos: updating New York’s vast and fragile telecom backbone
The cables that keep information flowing through the Big Apple are undergoing a transformation, from aging copper to strong and fast fiber.
Hackers are attacking the electric grid
And computer scientists are trying to stop them.
Get off the couch and under a barbell with this weightlifting starter kit
You don't need to be The Mountain from Game of Thrones to start moving mass.
Even as we use more gadgets, American energy consumption is dropping
More appliances? No problem.
A simple psychology study shows how our brains skip over what our eyes see
I'm looking through you.
How do fireflies power their blinking butts?
The bioluminescent dating game going on in your backyard.