When Stanley Kubrick was working on the set design of 2001: A Space Odyssey,
one of his driving concerns was that the film not look "dated" to
audiences in only ten or twenty years. Hence, by way of flat panes of
frosted glass carefully rear-projected with custom graphics slides, all
the "computers" on the space station and the Discovery appear as
flat-screen color monitors, a technology which did not even exist at the
time the movie was filmed and which didn't become common until about the turn
of the millennium (fittingly). By contrast, the star-spanning Empire that can build world-destroying artificial moonlets is stuck with dinky monochrome CRTs...
.