On Tue, 02 Dec 2008 01:02:37 +0100, Mueen Nawaz <m.n### [at] ieeeorg> wrote:
> Fredrik Eriksson wrote:
>> On Mon, 01 Dec 2008 12:11:43 +0100, Invisible <voi### [at] devnull> wrote:
>> I used to have a solar powered pocket calculator. Worked pretty well
>> indoors too.
>
> 	Many such gadgets do include a battery. My solar powered calculator
> would work well in complete darkness. Until the battery ran out (took
> about a decade to do so!). Now it works, but needs some light (not much,
> though).


Not this one. If you held your hand over the solar cells the display would  
blank out right away. I still have a non-solar-powered calculator though  
that runs on its original battery even after twenty or so years. The power  
consumption of such devices is astonishingly low.


-- 
FE

Post a reply to this message