This Renewable Energy Device Powers 100 LEDs with a Single Drop of Water
What if an umbrella could charge your phone? By tweaking well-known principles, scientists have created a highly efficient generator that can pump out lots of renewable energy with just a bit of water.
The Company That's Caused California Wildfires Is Cutting Off Power to 2 Million People to Avoid Another One
The state of California allowed PG&E to start charging customers billions more so it could upgrade its grid. The company still hasn't.