With this deal at Walmart, you can get the PowerSmart 2500W Portable Gas Generator for just $289, which is 53% off its normal ...

We may receive a commission on purchases made from links. As changing climates and extreme weather events continue to wreak havoc on the world at large, more and more people have found themselves in ...

With an ability to turn friction into small amounts of electricity, triboelectric generators may one day be used in clothes that turn movement into power, in battery-free brain implants, and a host of ...