When I was a wee lad,one day when I saw a rainbow standing on the slab near the old house looking northeast along the alleyway, I exclaimed to my father I see the lines!!, I see the Lines!! well maybe I did and maybe I didnt .. much like Lowells Martian canals. I was looking for the lines between the 7 unique colours of the rainbow. Rainbows for children are always drawn with distinct lines. They always have 7 colours. Yet it is an interesting question that I surf upon from time to time. We all know there are seven colours in the rainbow .. this is from the Greeks who thought seven was a nifty number. .. tell that to the ancient chinese who thought there were five .. and the Japanese who thought there were ten. Not there are $$ for me there. but it is fun.. I put this on facebook: more informed awesome well thought out silliness Borne from procrastination and too much surfing.. A well thought out Manic commentary on Is your red the same as my red? And the answer is maybe not. https://youtube/watch?v=evQsOFQju08 The above article is more about how we think .. Related commentary .. how many colours in the rainbow? .. below is how we are wired.. indeed for women with more eye cones, four cones instead of two, .their red is probably not yours or mine. Colour is on the X chromosome. Most men have 1, Most women have 2, and sometimes women with a mutated X can kick in more eye colour cones. So Most animals are dichromats (2 cones) seeing about 10,000 colors., most humans are trichomat (3 cones) at a million colours, a select few tetrachromat (4 cones) can see a hundred million colors .. and they now have a computer aided test..Sitting in a dark room, peering into a lab device, women saw three colored circles flash before their eyes. To a trichromat, they all looked the same. To a tetrachromat, though, one would stand out. That circle was not a pure color but a subtle mixture of red and green light randomly generated by a computer. Only a tetrachromat would be able to perceive the difference, thanks to the extra shades made visible by her fourth cone.. In another article below .. they found a tetrachromatic artist... discovermagazine/2012/jul-aug/06-humans-with-super-human-vision popsci/article/science/woman-sees-100-times-more-colors-average-person
Posted on: Tue, 20 Jan 2015 05:18:04 +0000
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