The numbers you see on the box don't always work out in real life. LED bulbs do last longer, but those claims about five to 10 years are estimates based on internal testing -- and companies are always ...

LEDs are supposed to last for years, along with delivering lower energy use, and even smart features like connecting with Alexa. They're a major leap forward versus incandescent bulbs, but they don't ...

Inside a greenhouse at Colorado State University, surrounded by giant hops vines, researchers are testing a new way to help craft breweries make better beer. Hops–the flowers that flavor beer–are most ...

When scientists at the National Renewable Energy Laboratory (NREL) tried to apply their expertise in solar cell technology to build a green LED light from the ground up, they surprisingly centered the ...