just by walking!
http://www.itworld.com/mobile-wireless/417275/recharging-your-phone-short-walk-away
Looks interesing, but you'd probably have to walk a lot for it to be worth it.
Recharge your phone with your shoe
+56
Amazing... Human ingenuity knows no bounds!:D
But if the ideas are constructive these boundaries are not needed for anything;)
But if the ideas are constructive these boundaries are not needed for anything;)
+62This is cool but it's a lot of money and a lot of walking..LOL 😉
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