Anders Sandberg writes:
> nanotech Giger might look quite different in some respects. As I
> imagine advanced nanotech stuff it would look like iridiscent
> fractals, with the geometric style of plankton, coral or seashells,
> possibly with perfectly smooth and rounded surfaces protecting
> delicate laceworks of fractal activity inside.
You would be right if it wasn't necessary to protect circuitry from photolysis by an opaque shell. Purely structural materials could look spectacular, though. Walls looking like fire opals...
And of course active optics can make anything look like anything, at least in the visible part of the spectrum.