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How level is "level" to the naked human eye? (lemmy.ml)

submitted 4 days ago by monovergent@lemmy.ml to c/asklemmy@lemmy.ml

44 comments fedilink hide all child comments

I was putting up some wall decorations earlier today and was painstakingly realigning everything until it looked level to my eyes. It might be just a hair off, but if I don't correct it, I'll see the misalignment almost instantly and get bothered for the rest of time until I fix it. Has anyone investigated, or is there literature on the minimum perceptible angle from level to the naked eye?

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[–] TheYang@lemmy.world 2 points 3 days ago (1 children)

Side note, basically every smart phone out there has orientation sensors, so it should be just as easy as downloading a Bubble Level app from the app store.

not when almost every phone has a camera bump, volume rockers and a power button.

i.e. no long flat sides, that still allow you to see the screen.

[–] over_clox@lemmy.world 2 points 3 days ago (1 children)

You do have a point, but most phones have one edge that doesn't have any buttons, and most people have their phone in a case, which assuming it's a proper fitting case, usually cancels out that camera bump issue and makes it sit properly flat on a table.

[–] TheYang@lemmy.world 1 points 3 days ago* (last edited 2 days ago) (1 children)

I haven't ~~B~~had a case which ~~sisn't~~ didn't mirror the camera bump in a long while unfortunately

[–] over_clox@lemmy.world 1 points 3 days ago (1 children)

Did your keyboard have a stroke? Haha, I more or less get you though.

[–] TheYang@lemmy.world 1 points 2 days ago* (last edited 2 days ago)

different language auto-correct really didn't help my inborn lack of spelling, and I (apparently) didn't even glance back to check what I wrote.