Comment Those worried about grey goo: please read this (Score 0, Flamebait) 179
I am not going to vent my own bitterness about how stupid the grey goo/nanobots crowd is. Instead, read this extremely interesting and insightful article that contains a discussion on the subject between Drexler and Richard Smalley.
http://pubs.acs.org/cen/coverstory/8148/8148counte rpoint.html
OK, I am going to vent a little bit of my bitterness: Drexler is a moron, and in that article, Smalley exposes him as one.