Eco Factor: Life-preserver keeps the user warm using solar energy. A Taiwanese student has developed a high-tech life preserver that looks like an ordinary plastic life preserver but has been designed to be charged using solar energy to keep its user warm even in freezing water. Dubbed LIFEON, the life preserver features a chlorophyll solar cell that is automatically charged within 10 seconds after

coming in contact with water. The device can heat up the lifesaver to human body temperatures for 72 hours. The preserver also features compartments for water and food. It is also equipped with a GPS system to help rescuers located it in the sea. Via: Arab News

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Student invents life preserver powered by solar energy