
We continue with our interesting and fun facts about solar energy. Lets go.
- Have you ever wonder what is that little black thing on top of your calculator? Thats right. You can use sun to power your calculator.

2. You might think that solar power usage is around not for long time but actually it is otherwise. Solar energy has been used for over 2700 years. In 700 BC, glass lenses were used to make fire by magnifying the sun’s rays.

3. Sun is really important in many other ways. By means of photosynthesis, solar energy is converted into chemical energy by green plants, which creates the biomass that makes up fossil fuels.

source of images – casio.com, mammothmemory.net, dreamstime.com