This idea is found by the student of Dhaka Residential Model College. The student said in the science fair that if any new leaf from the tree in sunlight taken and put it into the connecting point of mobile and battery (NOKIA) and opening the mobile we can find it charging.
First time the student showed it for only NOKIA mobile but it can be modified and used for all mobiles.Actually it is a simple natural used of solar system,Because the leaf also takes the energy from the sun and we have known that it can be used.
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