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batter life

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Cell phone need a recharge? Just Shake It!

It’s happened to all of us before.  You need to make a call but you’ve run out of battery life! Well, just give your cellphone a shake for an extra burst of power – that’s the idea behind a new cellphone charger that turns your movement into power. Shashank Priya and his colleagues at Virginia Tech are designing an emergency onboard charger that gets its power from what is called, piezoelectric force, which is generated…

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