With the advent of science, we explored new resources of energy that could facilitate our lives. For long, we relied on non-renewable energy capital like fossil fuels and coal to meet our energy demands. However, growing global population and depletion of non-renewable sources along with their environmental hazards forced scientists to think about renewable, cheap and environmentally friendly energy. The idea was conceived of converting sun’s heat energy to generate electricity, charging our batteries and home appliances.

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