9 strange ways to power your cellphone [Updated]

From T-shirts to wind power to a special pan, researchers are coming up with some inventive ways to make sure your iPhone never goes dead

Power your iPhone with a t-shirt that turns vibrations from concert music into an electrical charge. No t-shirt? Try your heartbeat.
(Image credit: Orange Sound Charge)

Sure, you could always charge your phone the old fashioned way by plugging it into a wall outlet. But where's the fun in that? Here, nine strange and ingenious ways to power your mobile device on the go:

1. A hand-cranked charger

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