this post was submitted on 03 Apr 2025
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Science Memes

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[–] [email protected] 15 points 1 week ago (2 children)

Really wish talking about what shrimp see didn't remind me that in farming them females have one eye removed to promote breeding

https://en.wikipedia.org/wiki/Eyestalk_ablation

[–] [email protected] 16 points 1 week ago (1 children)

I am eternally gratefull the practice is forbidden in Europe in organic cultivation. It's one of the small wins that fly under the radar. It's still a long way to people choosing for organic, awareness is the start of every change.

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[–] [email protected] 5 points 1 week ago

I don't think of it as drama so much as docucomedy.

[–] [email protected] 12 points 1 week ago (1 children)

Imagine how OP their colour perception would be if they did have that mental processing power

[–] [email protected] 2 points 1 week ago

Oh that explains this scene

[–] [email protected] 7 points 1 week ago (2 children)

I hate that it invalidates this episode of radiolab, which is, without a doubt, a masterpiece of podcasting:

https://youtu.be/jibvu9BHV_k?t=795

i saved the video at the 13 minute mark where they do the audio representation of the vivid colors. still worth a watch/listen

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[–] [email protected] 23 points 1 week ago (2 children)

Technically, all the colors are fake. They're just the halucinations of a brain trying to understand the input from sensory organs.

[–] [email protected] 5 points 1 week ago (1 children)

No, colors are real. And you see them.

[–] [email protected] 5 points 1 week ago (8 children)

Pink isn't real. There is no wavelength of light that is pink.

[–] [email protected] 6 points 1 week ago (2 children)

Its bright red, maybe toward purple! Brown is dark orange.

[–] [email protected] 5 points 1 week ago

Light frequencies between blue and red don't exist.

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[–] [email protected] 23 points 1 week ago* (last edited 1 week ago) (2 children)

That doesn't make them fake, in the same way that x can mean 2. You are merely representing a given value (in this case light within a certain electromagnetic spectrum) in a useful way.

[–] [email protected] 10 points 1 week ago (1 children)

But is my red the same as your red? Hmmm?

[–] [email protected] 16 points 1 week ago (4 children)

if two people can both point to red and agree that it's red, that's close enough. anything beyond that is just pointless esoteric debate.

[–] [email protected] 2 points 1 week ago (1 children)
[–] [email protected] 5 points 1 week ago (1 children)
[–] [email protected] 1 points 1 week ago
[–] [email protected] 7 points 1 week ago (2 children)

I disagree that it's pointless. I think it may be beneficial to humanity (eventually) to establish whether or not there is an objective reality which we all experience.

[–] [email protected] 5 points 1 week ago (3 children)

i agree, but that's a job for neuroscience, quantum mechanics, and psychology; not a pack of dorks on the fediverse.

[–] [email protected] 3 points 1 week ago (1 children)

But what if the dorks on the fediverse are scientists?

[–] [email protected] 2 points 1 week ago

then by all means

[–] [email protected] 5 points 1 week ago (2 children)

But I want to contribute to humanity in a meaningful way!

-me, a dork on the Fediverse nearly incapable of contributing to humanity in a meaninful way

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

Working on it.

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[–] [email protected] 4 points 1 week ago

I hadn't thought about it that way.

[–] [email protected] 14 points 1 week ago (1 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 1 week 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] 1 points 1 week ago

6500k vs 5000k is noticeable for humans

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