Alastar Gabriel (but you can call me anything). I'm an ex-professional software developer, now I make weird art and music :p I will give you bug facts unprompted


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mehbark
@mehbark

hey did you know your peripheral vision is made up

this box will change to a random color every five seconds. if you get it in your periphery just right, you should be able to see a color that just straight up isn't there! isn't that weird!

inspired by this two-tweet thread


belarius
@belarius

Damn, that's a much more effective demonstration than I was expecting. Bet this could be a lot of fun with one of those enormous curved monitors presenting cues across the whole field of view.

Guess I shouldn't be that surprised though. After all, all color is made up.


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in reply to @mehbark's post:

Eyes are stumbling into work on the first day, hung over, panicking, “oh man I can’t do this job properly, I’m so unqualified, idk how I got hired” and their old friend Brain just claps ‘em on the back, “bro, don’t worry, I’ll cover for you, I got this” and forty years later the scam is still going

idk it seems to just be slightly inaccurate for me. a little brighter, a little morr saturated, or a slightly different hue
edit: oh i think i just wasnt putting it far enough in my peripheral vision
edit 2: nope still 80% accurate 90% of the time

For me, when I stare away from my screen, with it to the side of my head and juuust inside my field of view, the color is correct… right up until it changes.

At that point, if I then turn to look at the screen, I see what color is really being displayed, and it’s consistently very different from what I thought it switched to while seeing it out of the edge of my vision

in reply to @belarius's post:

if you look in a mirror and move your eyes, you'll never see your eyes move, because your brain blocks the signal. however, if you look at your phone's front-facing camera, the extra signal delay is enough to make the movement visible.