Ask HN: Why can't smart phone screens also be solar panels?

Ask HN: Why can't smart phone screens also be solar panels?

2 by jononomo | 0 comments on Hacker News.

I would like to just be able to lay my phone face-up in the sun as a way to recharge the battery. We already have solar-powered calculators. Why can't this be done with cellphones. Sure, maybe it would take 15 hours to fully recharge, but it still seems like it would be a useful feature, especially for wilderness hiking, etc.



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