31 Oct '16, 3pm

Ninth-grader invents renewable energy device powered by the sun, wind and rain

Ninth-grader invents renewable energy device powered by the sun, wind and rain

Ninth grader Maanasa Mendu was watching the movement of tree branches during a storm when inspiration struck. To her, the branches looked piezoelectric materials, devices that produce electricity from vibrations and she began to imagine a renewable energy technology that could harness the energy in the wind and rain. After research, months of design and an initial idea to focus only on wind power, she ultimately built a prototype that can harness solar and wind energy and the vibrations of rain drops. The device consists of three solar "leaves" that act as solar panels but also move and bend with the wind and rain. "If my device just relies on one specific environmental condition, the power output can vary throughout the day," Mendu said . "Whereas if it relies on multiple environmental conditions—like sunlight intensity, wind speed, precipitation—all of these factors coul...

Full article: http://www.treehugger.com/gadgets/ninth-grader-invents-re...

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