LifeStraw purifies water instantly for under $2 a year: "

There are gadgets that make life more fun, and then there are
gadgets that make life possible. The LifeStraw from Denmark’s Vestergaard Frandsen Group has the potential to fall into
the latter category. A device about the size of a large pen or drinking straw, the LifeStraw is a complete water
purification kit that draws its power from the person sucking down the water. The LifeStraw is the product of ten years
of development work, based on the goal of creating an efficient, affordable water-purification system for the
developing world, where water-borne illnesses are a major killer. When produced in quantity, each LifeStraw — which
uses a combination of mesh filters, iodine-impregnated beads and active carbon to remove particulate matter and
bacteria — is expected to cost under $2 and be able to provide a year’s worth of pure drinking water. When and if this
hits the market, we hope to see some worthy charity distributing them by the millions (you listening, Bill and
Melinda?).

[Thanks to everyone who sent this in]

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(Via engadget.com.)