Thinking out loud- wondering how much light yield we could get from a very basic setup like a solar garden light LED with a basic DIY lens that could be recreated anywhere. Those small spotlights might be extremely handy in remote areas or even as in-home lighting. A single spread beam LED in total darkness is a godsend I have found in some remote areas.
Battery options/storage could be varied and even recycled stuff.
Ideas and projects relating to homes and shelter. Refugee shelter, home lighting, power, sanitation solutions etc etc.
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