Why it took us thousands of years to see the colour violet
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Re: Why it took us thousands of years to see the colour violet
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Re: Why it took us thousands of years to see the colour violet
#3The speculation in this article is pretty bad; a shower of cosmic rays isn't going to affect everyone in the planet the same way to all of a sudden enhance their perception of violet. The much likelier explanation is that it's "just" a cultural development.
Re: Why it took us thousands of years to see the colour violet
#4So, what is violet actually? WIkipedia says both that it's blue near end of visible spectrum, and then adds that it's mix of blue and red with more blue than red. Those both seem contradictory.
AFAIK human eye doesn't differentiate between wavelenghts of blue, it just compares intensity of whatever triggers its blue cones to whatever triggers its red/green cones, no?
Or, maybe it's the fact that some ranges of ultraviolet trigger all our cones at once?
Re: Why it took us thousands of years to see the colour violet
#5So, what is violet actually? WIkipedia says both that it's blue near end of visible spectrum, and then adds that it's mix of blue and red with more blue than red. Those both seem contradictory. AFAIK human eye doesn't differentiate between wavelenghts of blue, it just compares intensity of whatever triggers its blue cones to whatever triggers its red/green cones, no? Or, maybe it's the fact that some ranges of ultrav…
As I understand it, the cone cells in your retina responsible for "red" have a second peak on the violet-side of blue. This means that a violet wavelength will get efficiently absorbed by both the "blue" and "red" receptors but not the "green" receptors.
That sort of creates a "periodic boundary condition" to colour perception, wrapping a monotonic wavelength spectrum into a colour wheel.
Re: Why it took us thousands of years to see the colour violet
#6We know color perception is a very distinct phenomena from the actual frequencies (and mixes of frequencies) of photons from which we perceive color.
So it may be that without a lot of examples of violet in everyday life, that not only human languages, but also our internal perception, may not developmentally adapt to strongly perceive violet.
There would then naturally be a strong reinforcement of violet perceptual blindness, until the scientists’ systematic analysis of color forced greater exposure (in variation and number of incidents) to violet into generating significant perception of violet.
Re: Why it took us thousands of years to see the colour violet
#7We know color perception is a very distinct phenomena from the actual frequencies (and mixes of frequencies) of photons from which we perceive color. So it may be that without a lot of examples of violet in everyday life, that not only human languages, but also our internal perception, may not developmentally adapt to strongly perceive violet. There would then naturally be a strong reinforcement of violet perceptual…
To add: this conjecture seems ready made for a classic reenactment experiment. Sally, requisition the color filter head baskets from cold storage! Fred, please fetch the latest batch of prepped language and vision isolated babies!
Or an animal analogue will do.
Re: Why it took us thousands of years to see the colour violet
#8This is completely ignoring the fact that for a long time, purple/violet dyes were really rare and expensive. "Royal purple" was called that because only royalty could afford it.
Re: Why it took us thousands of years to see the colour violet
#9Muon showers... WTF?
Re: Why it took us thousands of years to see the colour violet
#10This is completely ignoring the fact that for a long time, purple/violet dyes were really rare and expensive. "Royal purple" was called that because only royalty could afford it . https://en.wikipedia.org/wiki/Tyrian_purple
This fact is completely addressed in the article, pointing out that aquamarine and other colors were expensive as well yet it never stopped the artists.