September 24th
9:39 AM
9:39 AM
Giant Marble Harvests Energy from Sun and Moon
It looks like a giant, glass marble. But this globe is no game. It’s a sun-tracking, solar energy concentrator.
This sun-tracking glass globe is able to concentrate sunlight and moonlight up to 10,000 times and that the system is 35 percent more efficient than traditional photovoltaic designs that track the sun.
(via xxstone)
