ONE of the most annoying features of smartphones is that they run out of power just when you need it most. After a day of e-mailing, streaming music, downloading podcasts, watching cat videos and snapping selfies, a device can easily be left without enough charge to make an emergency call. What would help, reckons Paul Worgan of the University of Bristol, in England, is to give portable devices the ability to share some of their power. Mr Worgan and his colleagues have come up with a wireless-ch...
ONE of the most annoying features of smartphones is that they run out of power just when you need it most. After a day of e-mailing, streaming music, downloading podcasts, watching cat videos and snapping selfies, a device can easily be left without enough charge to make an emergency call. What would help, reckons Paul Worgan of the University of Bristol, in England, is to give portable devices the ability to share some of their power. Mr Worgan and his colleagues have come up with a wireless-ch...
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