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Water Purifying Wand Developed Sunday, March 02, 2008 - Iddo Genuth Home >> Headlines >> General Technology   
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TRAVELERS who don’t trust the water from a mountain stream or a hotel-room faucet have often used chemicals or filters to purify it. Now they have a high-tech option as well: swirl the water with a portable, lightweight wand that beams rays of ultraviolet light... (source: nytimes.com)
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