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 ...

About 2 weeks ago, I set out to research grow lights to supplement the scarce natural light we get here at 51°N. But after looking at quite a few offers, I decided to DIY it. My requirements don't ...

Chih-Jen Shih is very satisfied with his breakthrough: "To date, no one has succeeded in producing green light as pure as we have," says the Professor of Chemical Engineering in his laboratory at ETH ...