<< Actually, "black goo" is not accepted usage. Grey goo is the common term
for nasty out-of control nanites, and the names red goo (for deliberately
designed goo), green goo ("cleanse the planet"-goo for militant greens)
and khaki goo (military goo) has been suggested as names for aggressive
applications of nanotech.
(Then there is golden goo, accidentally dangerous nanites intended for
wealth production and blue goo, police nanites acting against the
other kind).
So there is no need to be preachy or use the term black goo.
-- >>
May I suggest rainbow goo, for when we have complete control over matter and
anything can be created.
danny