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Politics : Foreign Affairs Discussion Group

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To: Hawkmoon who wrote (188888)	6/9/2006 5:37:14 AM
From: Wharf Rat	Read Replies (2) of 281500

I caught this story on PBS tonight. It appears he has made considerable progress in the 3 years since this was written. He has a working model in his lab using NaOH as the absorbent. CO2 levels at the intake were about 540ppm, due to the presence of humans in a closed environment. Outflow levels were about 150PPM. I didn't catch what you do with the resulting product, but it seems a really interesting idea. Synthetic trees could purify air Last Updated: Friday, 21 February, 2003, 10:10 GMT By Molly Bentley The invention is confined to paper so far A scientist has invented an artificial tree designed to do the job of plants. But the synthetic tree proposed by Dr Klaus Lackner does not much resemble the leafy variety. "It looks like a goal post with Venetian blinds," said the Columbia University physicist, referring to his sketch at the annual meeting of the American Association for the Advancement of Science in Denver, Colorado. Message 22527879

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