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.
This solar-powered lamp would create much-needed jobs in addition to safe, reliable light.