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Thread: No one could see the color blue until modern times1021 days old

  1. #21
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    Quote Originally Posted by OldPretan View Post
    There's a middle between the two where some might see turquoise blue and others turquoise green, but cigarette papers are a long way either side of that middle. I've had jobs in the past where I had to match paint and perfume colours and my wife recently came across an online test for 20/20 vision which involved distinguishing subtle differences in shade and wherein we both attained full marks which put us in 3% of people, so there must be many who can't see so clearly.
    Ok, I obviously haven't seen the aforementioned cig paper. Nevertheless, our eyes are less sensitive to blue than green, so blue will appear darker! I suppose there could be individual variation in the perception, as Vsauce talk about in this video:
    "A bloke walks into a pub, and asks for a pint of Adenosinetriphosphate.
    The barman says "That'll be ATP please!"
    -------
    “That which can be asserted without evidence can be dismissed without evidence.”

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    https://en.wikipedia.org/wiki/Blue#In_the_ancient_world

    The Greeks imported indigo dye from India, calling it indikon. They used Egyptian blue in the wall paintings of Knossos, in Crete, (2100 BC). It was not one of the four primary colours for Greek painting described by Pliny the Elder (red, yellow, black and white), but nonetheless it was used as a background colour behind the friezes on Greek temples and to colour the beards of Greek statues.[15]

    The Romans also imported indigo dye, but blue was the colour of working class clothing; the nobles and rich wore white, black, red or violet. Blue was considered the colour of mourning. It was also considered the colour of barbarians; Julius Caesar reported that the Celts and Germans dyed their faces blue to frighten their enemies, and tinted their hair blue when they grew old.[16]
    The Future was better before

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    But they did use blue dye in the Med area, extracted from a local sea snail:
    https://en.wikipedia.org/wiki/Hexaplex_trunculus
    "A bloke walks into a pub, and asks for a pint of Adenosinetriphosphate.
    The barman says "That'll be ATP please!"
    -------
    “That which can be asserted without evidence can be dismissed without evidence.”

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    Quote Originally Posted by JaM View Post
    But they did use blue dye in the Med area, extracted from a local sea snail:
    https://en.wikipedia.org/wiki/Hexaplex_trunculus
    yes.

    Btw I can't find the source where it was said that Vikings hated the color blue. I searched for it and couldn't find it.

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    Quote Originally Posted by JaM View Post
    But they did use blue dye in the Med area, extracted from a local sea snail:
    https://en.wikipedia.org/wiki/Hexaplex_trunculus
    yes.

    Btw I can't find the source where it was said that Vikings hated the color blue. I searched for it and couldn't find it.
    The Future was better before

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    This video tries to explain the whole issue:
    "A bloke walks into a pub, and asks for a pint of Adenosinetriphosphate.
    The barman says "That'll be ATP please!"
    -------
    “That which can be asserted without evidence can be dismissed without evidence.”

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    This is interesting since the color blue has the most shades to the human eye.

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