this post was submitted on 03 Apr 2025
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Science Memes

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shrimp colour drama (mander.xyz)
submitted 1 day ago by [email protected] to c/[email protected]
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[–] [email protected] 11 points 21 hours ago (3 children)

But compared with human eyesight, they could still see more 'colors' - As we see (almost) the same white in incandescent bulbs as LEDs and fluorescents, they might actually see the component colors and their intensities.

Not unlike how we may hear a combination tone when multiple other tones are played, and hear the difference (or sum) of them.

[–] [email protected] 1 points 19 hours ago (2 children)

How would you suggest they do that. White light near equally activates our 3 cones because all spectrums of light are in it.

White light near equally activates all 12 shrimp cones because all spectrums of light are in it.

Which spectrum of color is left out of white light that wouldn't light up a cone associated with it?

[–] [email protected] 2 points 3 hours ago

Because white light from an LED bulb is not all spectrums of light. It's 3. It's pure red, pure green, and pure blue that stimulates our cones equally so our brain can't tell the difference. Like how TVs can make any color out of just three colors of sub pixel.

White light from an incandescent bulb is all spectrums of light. Through a prism it makes a rainbow. White LEDs through a prism make three stripes. For more information of this and some visuals check out this article. https://en.wikipedia.org/wiki/Color_rendering_index

[–] [email protected] 2 points 19 hours ago

6500k vs 5000k is noticeable for humans