Get rid of biting insects with no smells, no man-made chemicals, and no crackling bug zapper running up your electric bill.
A Hungarian designer imagines a light bulb that makes its own electricity.
For a limited time, your purchase of a discounted solar power and light kit will deliver one to a Malawi village free of charge.
Researchers are working to understand a new group of crystals that might yield the right blend of colors for white LEDs as well as other uses.
If you’ve ever stared out your office window, wishing for a life less tethered, get ready to drool.
Find out how LEDs can up the nutritional content of a homegrown tomato while saving energy.
These lighter-than-air lamps feature a high tech fabric that’s completely recyclable.