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Ant smell (mander.xyz)
submitted 2 years ago by to c/science_memes@mander.xyz
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[–] 5 points 2 years ago (5 children)

I don't think the shadows at night thing is genetics. Think that's more of a paying attention lol. People say they can't see and that's because they're looking for details and colour. In the dark you're looking for outlines and shadows. I learned this from my flight instructor. But it's a skill more people need to learn. This isn't to say night blindness doesn't exist.

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  • [–] 3 points 2 years ago (4 children)

    Nah, I figured this out in the military. I was always the last guy to start using my night vision device. Now, to be fair this was 20+ years ago and night vision devices have come a long way since then. Even in my years we got an upgrade that was much better and I used it a lot more. But I was also the one guy hitting all the night fire targets. So there was definitely something there before I went and got old.

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  • [–] 3 points 2 years ago (1 child)

    Likely red/green colour blind, less cones but more rods (better resolution, also night vision). Your ancestors may have done night watch in the village or been hunters.

    duping above so you read.

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  • [–] 2 points 2 years ago*

    Yes, I do have severe deuteranomaly. Diagnosed when I was 6 years old.

    I've read quite a lot about this, there are many cases where red/green blind people have exhibited above average night vision.

    I was also very good at spotting camouflage, since the patterns were designed to fool people with normal colour vision. The only time my colour blindness was a disadvantage was in a contest between regiments, I had to direct artillery fire as fast as possible and the targets were big red boxes in front of the treeline.

    Our lieutenant lost his shit when he realized that he had a colour blind forward observer. We still won the contest, my squad handled the measurements impeccably and I verified them on the map. There was discussion of transfering me to other duties after this, but when I asked "Sir, how many big red box targets are there are in real war?" they quickly dropped the issue.

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  • [–] 2 points 2 years ago (1 child)

    During my military service I also discovered that I had exceptional night vision. I never stumbled in the dark forest and I could even read maps when others couldn't see shit. I didn't pay much attention to this quirk, but my commanding officer realized this and put it to good use. The following overnight recon patrols on foot and skis felt endless.

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