nano-scale chemicals – boon or bane?


I was reading this
article
about the uses of iron nano-particles.  You know, nano-scale objects
are like new chemicals all their own.  I’ve heard speculation that bucky-tubes
can be as dangerous as asbestos.  I don’t know if that is true, but I can
certainly see where it could be so.  When stuff is that small, it opens up a
whole new regime of reactions and chemical abilities.  I think that the realm
of the ultra-small has infinite possibilities, but I don’t believe we should
blind ourselves to the dangers, either. 


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