Solar Energy:

You might not be aware of the fact that the energy released by Sun to the earth's surface is 7000 times more than what the fossil fuel energy consumed by humans. Imagine the kind of mega-energy potential the sun has. Three ways by which sun's energy can be captured are: Using tube containing liquids, under direct sunlight, and using that through a heat exchanger. This can be replaced with geyser used for washing purpose. Photovoltaic panels that converts the photons of light into electricity. Solar concentrators using mirrors that focus a large amount of heat to a concentrated area which can be used thereafter. [caption id="attachment_8941" align="aligncenter" width="2048"] Solar panel against blue sky[/caption]