Posted: Sep 02, 2017 9:52 am
by DavidMcC
The_Metatron wrote:Or, is it possible that our observer is somewhat color blind? Less red sensitivity than others? It's something that could be quickly tested, and might be interesting.

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I am a normal trichromat, thanks (I've had the standard colour vision test). I see red when there is red to be seen, but not otherwise.
I suspect that this is some kind of joke, designed to get me to throw insults (I know you'd love that), but I'm not taking the bait, OK?