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Professor Boscher..."took with him a device that represents the kind of elegant design that could change lives in developing nations. He had been thinking about the problem of purifying water. The simplest way to kill bacteria in contaminated water is to heat it, but boiling water consumes precious fuel. Solar energy — one thing Rwanda has in abundance — can also do the trick, but the problem comes in knowing if water left out in the sun has heated enough to eliminate contamination.
thirsty?
Water.+ Bottle. + Sun.+ Tube.+ Time. = Water Free of Disease Causing Organisms
Too bad there weren't a whole bunch of these and some basic charcoal filters stored in the New Orleans hurricane shelters. Elegant simplicity might work in developed nations too.
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Have you a better method? Speak up.
