What if you could recharge your phone battery by twirling it around your finger? That’s what a design concept Song Teaho and Hyejin Lee promises.The yet unnamed battery design is similar to your normal cell phone battery. But thanks to the hole on one end, it’s possible to spin the power pack around a finger, converting kinetic motion into useful energy. According to diagrams showcasing the design (see pictures above), 130 twirls creates up to 2 minutes of talk time and 25 minutes of standby.Unfortunately, this yet another design concept, with no official word on when this design will hit [...]Post from: The Gadget Blog
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