There was a nice "portable" screen made of
red and green LEDs. Now
that blue has come down to a reacheable price, that could be done as
a really nice one.
I'd be satisfied with monocolour - but I want decent resolution.
Say, eight by sixteen feet at 100dpi.
Of course, then I'd also want to get fancy, and put a cellular
automaton engine into the silicon behind each pixel, and hook them up
to their neighbours...and clock it all in parallel....
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