15 Year Old Invents Device That Generates Electricity While You Walk

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15-year-old Angelo Casimiro, from the Philippines, has recently made international news with a new invention that generates electricity in a very new and interesting way.  The invention is a shoe insole that harnesses electricity every time that the person wearing the shoe takes a step.  Angelo constructed his device using piezoelectric materials, which actually generate an alternating current voltage every time they are squeezed.

According to a blog post made by the teenager, “Piezoelectricity was present ever since mid-18th century. Piezoelectricity is the electric charge that accumulates in certain solid materials (such as crystals, certain ceramics in response to applied mechanical stress.”

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