Over 6,000 people die a day (most of them children) from water releated illnesses. These folks have created The LifeStraw, a straw about the size of a small clarinet that can be worn about the neck and weighs about 0.095 Kg (3.3 ounces). It’ll filter 2 liters (half gallon) a day for about a year! And they only cost about $3 each.
Over a billion people in the world don’t have safe drinking water! (Drinking salt water will reduce the life expectancy in half).
More info (from the FAQ):
LifeStraw® filters bacteria such as Shigella, Salmonella, Enterrococus, Staphylococcus Aureus and E .Coli.
First time users may find it difficult to start sucking. This is because a natural brake on the flow of water has been put into the LifeStraw®, as a controlled flow between 100 ml to 150 ml per minute is needed to get the maximum benefit of the bacteria killing effect.
It is expected that continuously drinking saline water through the LifeStraw® would reduce effective life to 350 litres.
I spotted this on the New York Times video feed I get on my TiVo.
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