Engineers built a generator so intense it operates at the limits of physics itself. Find out about the technology behind this ...

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.

As artificial intelligence (AI) and smart gadgets become more common, our need for reliable power sources grows. Renewable ...

In a dynamo, a split ring commutator changes the coil connections every half turn. As the induced potential difference is about to change direction, the connections are reversed. This means that the ...

🛍️ The best Cyber Monday deals you can shop right now (updating) 🛍️ By Flora Lichtman Published May 30, 2013 5:04 PM EDT Get the Popular Science daily ...

We've already heard about hoses that get wrapped around existing hot water pipes, using heat radiated from the pipe to heat water inside the hose. A new wrap-around device, however, uses that same ...

We use it every day, but most of us haven't got a clue how electricity makes things work. What's going on in the wires that make motors move, and heaters heat? Whether it's a toaster or an electric ...

Gear-obsessed editors choose every product we review. We may earn commission if you buy from a link. Why Trust Us? No one likes to be in the dark during a storm. Those who live in cities may not ...