Solar Power

This Orb-Shaped Solar Power Device Works On The Cloudiest Days

The use of a clear "ball lens" to concentrate light into a beam of energy may improve solar power efficiency by up to 50 percent

Tuan C. Nguyen

January 8, 2014

Pop-Up Relief in Kenya’s Slums

Solar-powered huts built by a Montana-based construction company provide two big needs: water and cellphone power

Meera Subramanian

October 12, 2011

Could There Be a Solar Powered Road?

Randy Rieland

August 8, 2011