Recharge your smartphone while you stay in shape

At the age of 15, Angelo Casimiro has built an interesting product that many of you might be interested in. Casimiro came up with the idea to produce footwear that generates electricity while you walk. With these sneakers, you can recharge your smartphone while keeping in shape at the same time. But before you give up your conventional recharger, keep in mind that playing basketball for two hours generated only ten minutes of battery life for Casimiro's iPhone...

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