The XO 3.0 tablet from One Laptop Per Child looks really cool to me.
Full story at http://arstechnica.com/gadgets/news/2012/01/charging-by-crank-bicycle-waterwheel-hands-on-with-the-olpc-xo-30-tablet.ars the ars link has pictures and information.
But in short, it is a robust Tablet designed to be charged by a Solar Cell Cover, or a separate hand crank. Or other varied power sources, the Tablet can charge on "variable voltages between 10 and 25 volts," that is amazing to me.
It can handling changing voltage and still charge, I assume that it has over voltage protection as well, so there are countless ways you could charge it.
Personally I would like to see these types of devices sold on open market, in addition to the ones provided as Charity.
I think selling them could be a fund raising source, it would also make it easier to make people aware of them, perhaps encouraging more people to support the Charity with contributions of time or money.
If your interested in Charities like this in addition to http://one.laptop.org/ there is also http://www.hackersforcharity.org/ that I follow.
If your curious about how much One Laptop Per Child can acomplish look at this http://one.laptop.org/about/countries to see some of what they have already accomplished.
Remember if you would like to support a Charity you don't have to have money, you can donate time. You can help by answering calls, stuffing envelopes, providing expertise that a charity needs for free (ie donating skilled labor). Or even talk place you work at into providing food for Charity workers during a fund drive at cost or free.
Please feel free to comment, especially if you have a favorite Charity or cause.
GL HF,
Cliff
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