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MUMBAI, Tuesday, December 13, 2005
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A photograph, taken with an electron microscope, of a dust mite sitting atop a nanotechnology engine.
The image illustrates that scientists can today create working machines as small as a dust mite (a dust mite is about a quarter the size of a full stop on this page).
In spite of the benefits of nanotechnology however, scientists are waking up to the dangers of nano particles that they say could be inhaled through the nose, wreaking unknown havoc on brain cells - or that exposure can cause breathing problems, as caused by with some other ultrafine particles.
Is small dangerous?
The benefits of nanotechnology are manifold.
Increasingly, however, scientists ar...
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