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November 7th, 2007
Aiding the Environment, a Nanostep at a Time
Abstract:
SOME of the grandest ideas about how to preserve the environment involve molecular-scale engineering known as nanotechnology. Such visions might inspire more confidence, though, if there were real products available to achieve them.
Nanotechnology's supporters have been talking for more than a decade about fashioning new metals, plastics and biological compounds that could enable innovations like increasingly efficient batteries for electric cars and solar energy panels for homes. They also say that nanotechnology can be used to restore damaged environments — by cleansing polluted soil, for example, with tiny particles that could make toxins harmless.
There is nothing implausible about such ideas. It is easy to see how the ability to manipulate matter at the scale of a few nanometers, or billionths of a meter, could lead to environmental breakthroughs. That is one reason billions of dollars are being spent on nanotechnology research.
Source:
nytimes.com
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