I changed 12 settings on my Android phone to extend its battery life by several hours

How to: Go to Settings > Display on your Android phone. There, you'll find the option to switch between a light and dark theme and to have dark mode turn on automatically at a certain time of day. I ...

We put the best portable power stations to the test. Here's which ones provide the most power

We rigorously tested eight top portable power stations from Jackery, Anker, Bluetti, EcoFlow, and more in our lab to find out which ones are the most efficient.

New model can detect ballistic electrons under realistic conditions

Ballistic electrons are among the most fascinating phenomena in modern quantum materials. Unlike ordinary electrons, they do ...

How Do Metal Detectors Work?

In a metal like copper, however, the outer electrons swim around freely and are shared by all the atoms. That’s why ...

Watch Blue Origin test fire its rocket engines ahead of NASA’s Mars launch

Blue Origin has test fired its New Glenn rocket engine as it makes final preparations for the launch of NASA’s ESCAPADE ...