Piezoelectric materials transform energy of walking, cycling or your car driving over them into energy. But piezoelectric materials require lead. This new advance paves the way for a lead-free solution.
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According to the International Coffee Organization, people wordwide consumed more than 11 million US tons* of coffee beans between October 2015 and September 2016. (Consumption is far outpacing production, due to climactic fluctuations.) Those beans depend on a sea of fresh water to convert them into the beverages we love. Now a team of Italian scientists have developed […]
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