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Originally posted by Obinhi
The Singularity is Near by Ray Kurzweil.
he makes mention of Nano technology being able to do all sorts of things. He makes a few examples, like being able to chose when you want to die
and being able to live totally in our own minds.
I for one am all for the melding of man and mechine. I would love to be an eternal being with near infinate intellegence. How do the rest of you feel about it?
The new studies partially confirm the carbon nanotubes' similarity to asbestos by showing that long, straight carbon nanotubes injected into mesothelial tissues in mice cause the sort of lesions and inflammation that also develop as a result of asbestos. Such reactions are a strong indicator that cancer will develop with chronic exposure.
Not all types of carbon nanotubes behave like cancer-causing asbestos. The Nature Nanotechnology article showed that short nanotubes (those less than 15 micrometers long) and long nanotubes that have become very tangled do not cause inflammation and lesions.
Also, while the study did not look explicitly at single-walled nanotubes, these tend to be shorter and more tangled than multiwalled nanotubes, so they probably won't act like asbestos, the researchers say.
The authors suggest that this could be because such nanotubes can easily be taken up by immune cells called macrophages, and long, straighter ones can't.