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"The principle is to focus the light using little material," Feiman says. "We constructed a large, parabola-shaped glass plate. It not only absorbs the light, it also focuses it on one point, a thousand times more than regular sunlight."
According to Feiman, "an ordinary photovoltaic cell, which is 10 by 10 centimeters, normally produces one watt of electricity. We managed to extract more than a thousand times more - 1,500 watts. In this way, the cost of a cell is 1,500 less.