[Raptor235]

As a kid, did you ever try using a magnifying glass to focus the sun’s rays and fry an unsuspecting ant? Don’t answer that. But on a small scale, that trick is a good example of how much energy there is available to be harvested from the heat of the sun. Outside of Seville, in southern Spain, a new power plant has been built using the same concept. It’s ridiculously simple—a field of gigantic mirrors direct sunlight toward the top of a tower, where the resulting heat powers a boiler (heats the water) to make steam. After that, it works just like every other power plant, the steam being used to make electricity.
You can find the entire article here http://aboutmyplanet.com/?p=1415