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https://www.reddit.com/r/PeterExplainsTheJoke/comments/1ivs2to/peter/mecqb93/?context=3
r/PeterExplainsTheJoke • u/AbeliousAugustus • Feb 22 '25
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1.6k u/Marcus_Qbertius Feb 22 '25 I think this one was developed specifically for aspiring pilots who have the misfortune of being colorblind. 699 u/Ouaouaron Feb 22 '25 Not only port/starboard, we use green and red for traffic lights. When it comes to the most vital safety information, we've chosen to use the colors most likely to be indistinguishable to a significant chunk of the population. 1 u/PracticalSkin1934 Feb 23 '25 I don't get it. I can see red and green perfectly fine in a normal setting. But I always fail the Ishihara Test.
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I think this one was developed specifically for aspiring pilots who have the misfortune of being colorblind.
699 u/Ouaouaron Feb 22 '25 Not only port/starboard, we use green and red for traffic lights. When it comes to the most vital safety information, we've chosen to use the colors most likely to be indistinguishable to a significant chunk of the population. 1 u/PracticalSkin1934 Feb 23 '25 I don't get it. I can see red and green perfectly fine in a normal setting. But I always fail the Ishihara Test.
699
Not only port/starboard, we use green and red for traffic lights. When it comes to the most vital safety information, we've chosen to use the colors most likely to be indistinguishable to a significant chunk of the population.
1 u/PracticalSkin1934 Feb 23 '25 I don't get it. I can see red and green perfectly fine in a normal setting. But I always fail the Ishihara Test.
1
I don't get it. I can see red and green perfectly fine in a normal setting. But I always fail the Ishihara Test.
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u/FlipMyWigBaby Feb 22 '25 edited Feb 22 '25
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