Solar cells that can face almost any direction and keep themselves clean

http://feedproxy.google.com/~r/scienceblogrssfeed/~3/5sxvdoqYw3I/

http://scienceblog.com/?p=479819

In recent years, a complicated discussion over which direction solar cells should face — south or west — has likely left customers uncertain about the best way to orient their panels. Now researchers are attempting to resolve this issue by developing solar cells that can harvest light from almost any angle, and the panels self-clean […]