RedOrbit: Since the seventh century B.C., mankind has looked to the power of the sun to provide an energy source. In the earliest days, humans used glass and mirrors to concentrate the sun`s rays to make fire. Later, around the first century A.D., the Romans discovered large south facing windows could help let in the suns warmth. There`s even one infamous tale of Greek scientist Archimedes using bronze shields to reflect and focus sunlight to set fire to invading wooden ships.
More recently, there have...