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Any interesting things , tips , tricks or test like the fact :-you can see if a remote is working using your phones camera. ? (lemmy.ml)

submitted 7 months ago* (last edited 7 months ago) by [email protected] to c/[email protected]

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because working remotes ir lights will be visible in camera even though humans can't see it .

or the colour blindness image i uploaded (i got it from a meme sub so it isn't reliable anymore) .

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[–] [email protected] 15 points 7 months ago (2 children)

They're based on color blindness tests. They work because the background and the numbers appear to be the same color, making the number indistinguishable from the background if you have that specific kind of color blindness.

https://en.m.wikipedia.org/wiki/Ishihara_test

[–] [email protected] 2 points 7 months ago

What about the yellow one? It's just a yellow circle. Right?

[–] [email protected] -3 points 7 months ago (1 children)

Yeah i was talking about the context that image was posted in . i edited the post to give more context .

[–] [email protected] 8 points 7 months ago (1 children)

Do you mean a simple audio or visual test that will test for diseases/ailments other than audio/visual issues? I'm not aware of any, and I doubt they exist. I'm not an expert though. I feel like most of the things mentioned in the meme don't need a test, imo? Like as long as you're in touch with your body and pay attention to what you intake these maladies should be easy to differentiate between.