by Katie Valentine Posted on November 14, 2014
The cloth is flexible and weighs far less than traditional solar panels, making it ideal for roofs that can't hold much weight.
by Jeff Spross Posted on May 5, 2014
Perovksites promise rapid new improvements in cheap and efficient solar cells, and two research teams just figured out how to make them with tin instead of lead.
by Ari Phillips Posted on January 28, 2014
With blades as tall as a 24-story building, this turbine can crank out enough power for thousands of homes.