On Tue, Mar 26, 2013 at 2:11 PM, David L Babcock <[email protected]> wrote:

>
> Regarding the charging, if you shift the source band up-spectrum to light
> frequencies, then all that's needed is a photocell and a small IC for
> voltage boost.  Probably get more charge too, even if the phone is usually
> in the dark...
>
> Ol' Bab
>
>


MIT is working on it with a transparent solar panel...


http://www.extremetech.com/extreme/149163-mit-startup-makes-transparent-solar-cells-that-will-allow-your-smartphone-to-power-itself

Harry

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