But one of the biggest breakthroughs in clean energy was actually in solar power, as designers at Rawlemon created a spherical, sun-tracking glass globe that's able to concentrate sunlight (and moonlight) up to 10, 000 times.
ENGADGET: Inhabitat's Week in Green: go-kart made of Lego bricks, TOTO toilet bike and the launch of 'Willow Glass'