@Octosoup_@bigboingenergy You get the colors from tempering/heat treating at different temperatures; in the sci fi examples, maybe it's plasma scorching
@tszzl@PrinceVogel Humans are capable of that, but it doesn't seem to be as widely rolled out as the seemingly best universal inclusion of dead Na'vi in Eywa. Recoms and human brain scan-style resurrection is likely restricted to the wealthy or particularly useful