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And how are they supposed to charge the devices?
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Not being connected to a power grid is not the same as having "no power". There are plenty of off-grid solutions, from solar power, to 12v batteries and an invertor.
There have been a handful of initiatives in the past 5 years alone to get solar charged lanterns and other solar charged batteries to places in Africa. Some of the solar charged LED lights have ports to charge other items. Plus, charging stations are becoming more common in Africa, the cell phone penetration rate there is surprisingly high, because it's the most reliable way to communicate with others who are normally a great distance away.
One of the initiatives is to provide light after dark so kids can do more schoolwork, and thus learn more.
- Lighting Africa, a symposium of off-grid lighting technology. https://www.lightingafrica.org/ Look at the Products page, lots of stuff there.
- LED Africa, provides lights for kids in Malawi. http://www.ledafrica.org/
- Urban Gateway, Solar powered LED lights for Africa. http://www.urbangateway.org/news/sol...-lights-africa
- Solar lighting spreading fast in Africa. https://www.youtube.com/watch?v=tkvbZ0ADmz0
- Dozens of search results on Google. https://www.google.com/search?num=20...90.RIl9FhXnTvc
- The WakaWaka solar LED light is also a phone charger. https://www.kickstarter.com/projects...ht/description
Only the most remote areas have no solar charged batteries, because the market isn't big enough for them. They are very creative in getting power if they want it and they are helped by multiple NGOs.
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How are you going to do math on an ereader?
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I remember seeing flash card apps for the Kindle 3.
The problem with giving the Africans food is most of the governments confiscate it. Very little food actually reaches the people who need it, so it's a moot point. The gov't is less likely to confiscate a tiny LED light.