Bees may find a recent article on Slashdot ( http://ask.slashdot.org/ (http://ask.slashdot.org/)
) to be quite informative.
You probably mean this article:
http://ask.slashdot.org/article.pl?sid=03/01/01/0649208&mode=nested&tid=134 (http://ask.slashdot.org/article.pl?sid=03/01/01/0649208&mode=nested&tid=134)
It's interesting how all those geeks will mention drug-manufacturing first and explosives second when someone mentions chemistry sets. Interesting points adressed aside from that, nevertheless.