Lost in the woods near a stream, with some empty water bottles, wire, plastic plates, and a stepper motor, *and* you need to charge your smartphone? Try this. OK, so perhaps you wouldn't ever be ...
MITI, Democratic Republic of Congo (Reuters) - Sister Alphonsine Ciza spends most of her day in gum boots, white veil tucked under a builder's hat, manning the micro hydroelectric plant she built to ...
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