nanotechnologyworld:
Stanford researchers stretch a thin crystal to get better solar cellshttp://www.nanotechnologyworld.org/#!Stanford-researchers-stretch-a-thin-crystal-to-get-better-solar-cells/c89r/558d6a480cf2f97c80ec59d0
Stanford researchers stretch a thin crystal to get better solar cells
http://www.nanotechnologyworld.org/#!Stanford-researchers-stretch-a-thin-crystal-to-get-better-solar-cells/c89r/558d6a480cf2f97c80ec59d0