Massachusetts Institute of Technology (MIT) professor Daniel Nocera and his colleagues announced the development of an effective, relatively inexpensive "artificial leaf"—a solar cell that can turn sunlight directly into chemical fuel. The playing card-sized device is made up of cheap materials—silicon, cobalt and nickel mostly—and when placed in a container of water and exposed to sunlight, it generates bubbles of oxygen and hydrogen.
full story, more links and specifics:
http://ecocentric.blogs.time.com/2011/0 ... lar-power/
full story, more links and specifics:
http://ecocentric.blogs.time.com/2011/0 ... lar-power/