Add Yahoo as a preferred source to see more of our stories on Google. Scientists have created a floating droplet electricity generator that turns rainfall into power using water as its own support and ...

Our editor-tested and researched portable and whole-home options keep appliances and other essentials running during an emergency—no matter what.

Inspired by the classic drinking bird toy, scientists have developed an engine that efficiently converts energy from water evaporation into electricity to power small electronics. The device produces ...

Portable generators come in many shapes and sizes, but we'll help you pick the best one for your specific power needs. By Nick Hilden Updated Apr 9, 2024 11:07 PM EDT Add Popular Science (opens in a ...

At just 15 years old, Hannah Herbst made a remarkable impact on the world of science in 2015. Now, eleven years later, the ...

Japanese researchers at Kyoto University announced in December 2025 that they invented a coin-sized generator that creates 24/7 electricity "out of thin air." Rating: False (About this rating?) In ...

Generators rely on fuel like gasoline, propane, or natural gas, and their engines need regular maintenance, such as oil changes and air filter replacement. While they are a more eco-friendly solution ...