"Edward Reifman proposes diamond teeth but would this put dentists in the unemployment line? Brian Wowk manipulates phase array optics to enable the reader to construct a STAR TREK holodeck. J. Storrs Hall envisions filling one's environment with utility fog, placing one within a kind of pixel coated TV screen where objects in your personal space can be moved as easily as pictures on that screen. Tom McKendree say that nanosized assemblers will make goods so plentiful that nothing will be of any value. Crandall, himself, suggests that when room runs out on earth we might repackage man into geodesic spheres, floating ecospheres, in stationary orbit high above the planet."