From ancient civilizations to modern day, the colors and symbols of the four elements have represented the different aspects of nature and the forces of energy in our world.

Are we alone in the Universe? What exactly is dark matter? How did our solar system form initially? Endless unanswered questions about space; it is practically a wonderland of mystery.

With the power cuts we have been suffering from, would it not be wonderful if each person generates their own power and not have to rely on the power grid?