Inhabitat's Week in Green: street-legal Tron lightcycles, electronic eyeglasses, and the American Solar Challenge

Each week our friends at Inhabitat recap the week's most interesting green developments and clean tech news for us.

This week Inhabitat saw solar-powered vehicles blaze trails around the globe as the University of Michigan's sleek pod car crossed the finish line to win the American Solar Challenge. We also watched the Solar Impulse gear up for its first eagerly anticipated night flight -- a pivotal undertaking as the sun-powered plane prepares to circle the earth. In other clean transportation news, and we were stunned to see a set of street-legal electric Tron lightcycles pop up on eBay.

The field of renewable energy also heated up this week as researchers revealed an innovative tri-layered solar panel that's capable of catching the full spectrum of the sun's rays. Wind power made waves as well as Principle Power unveiled a new ultra-sturdy ocean platform that's able to support the world's tallest wind turbines.

Finally, we saw the light this week as Illumitex unveiled the world's first square LED bulb, which they claim is cheaper, more efficient and more practical than typical round bulbs. We also peered at an innovative new type of electronic eyeglasses that can change your prescription with the push of a button. And for all you shutterbugs looking to share your vision with the world, you won't want to miss this handy solar camera strap that ensures you'll never miss a shot.