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I'm going insane (lemmy.world)
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[-] cralder@lemmy.world 0 points 1 week ago

This is actually really interesting and I think about it every time I look in a large mirror. IIRC it is because the mirror is always "halfway" between you and your mirror image. So as you step back your mirror image gets further away and looks smaller, but so does the mirror.

Nah if u step back far enough it should show your whole body. The only exception being if its angled weirdly or if its not flat but curved in a special way.

[-] bleistift2@sopuli.xyz 0 points 1 week ago

If you’d be so kind, how far do you have to get away from a flat mirror to show your whole image?

Depends on the size of the mirror and how far it is off the ground. If its a full sized 2m tall mirror then the min distance is obviously zero. If its a small bathroom sink mirror that doesnt go down to the floor then there is no distance far enough and being close is actually better.

[-] Tar_alcaran@sh.itjust.works 0 points 1 week ago

Uhhh no, that's not how angles work.

The further you get away from a mirror, the "further away" the reflection is. You will never see your whole body in a hand mirror, even if you put it on the moon.

[-] candybrie@lemmy.world 0 points 1 week ago

The reflection being further is the point? The further away something is, the smaller it looks, so the less of your field of view it takes up, the more you can see of it.

If I put my hand on my eye, I can't see much of it. If I pull my hand back, I can see more of it. If I put a mirror on my eye, I can only see my eye. If I put it back, I can see my face because the reflection of my face is further (i.e. smaller).

I'm very confused what you're trying to say.

[-] Tar_alcaran@sh.itjust.works 0 points 1 week ago* (last edited 1 week ago)

Ok, visualize it like this:

Draw yourself, with a small mirror at head height, a meter away. Draw your reflection at the same distance from the mirror on the other side.

Now do that again, but place the mirror 10 times further. Then draw lines from your eye, to the edge of the mirror, and to the reflection.

You'll reach the same point on your reflection.

Edit: or let the BBC do it for you; https://www.bbc.co.uk/bang/images/dallas_mirror_diagram_large.gif

[-] candybrie@lemmy.world 0 points 1 week ago* (last edited 1 week ago)

Ok, I can see the point, but it's not usually what people mean when they can see their whole body. In that example, you're looking down or looking up. You never see your whole body at the same time. For your whole body to be entirely in your field of view, it absolutely does matter how close or far you are from the mirror. You can test it by going closer and further to any mirror.

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[-] Bassman1805@lemmy.world 0 points 1 week ago* (last edited 1 week ago)

Nope, the geometry actually works out such that it doesn't matter your distance from the mirror, only how tall the mirror is and how high it's mounted.

A mirror that is as half as tall as your, mounted at head height, will show your white body regardless of how far away you are from it. TECHNICALLY, the bottom edge must be halfway between your eyes and feet, and the top edge must be halfway between your eyes and top of head.

[-] Ookami38@sh.itjust.works 0 points 1 week ago

Well at least you didn't call my body pasty white, I haven't been to the lake as much as I wanted this year.

Joking aside, I believe vsauce had a short about this, was useful to get a visual.

[-] Tar_alcaran@sh.itjust.works 0 points 1 week ago

As long as it's perfectly flat.

[-] Katana314@lemmy.world 0 points 1 week ago

Right, but this only works if you have DuckDuckGo set as your search engine.

[-] toothbrush@lemmy.blahaj.zone 0 points 1 week ago* (last edited 1 week ago)

Has Mirror technology changed

Oh thats an easy answer! That just means THEY ARE COMING THE FOG IS COMING THE FOG IS COMING THE FOG IS COMING THE FOG IS COMING THE FOG IS COMING THE FOG IS COMING THE FOG IS

[-] Mr_Blott@feddit.uk 0 points 1 week ago
[-] rickyrigatoni@lemm.ee 0 points 1 week ago
[-] RVGamer06@sh.itjust.works 0 points 1 week ago

THE FROG IS CUMMING THE FROG IS CUMMING THE FROG IS CUMMING THE FROG IS CUMMING THE FROG IS CUMMING THE FROG IS CUMMING THE FROG IS CUMMING THE FROG IS CUMMING THE FROG IS CUMMING THE FROG IS CUMMING THE FROG IS CUMMING THE FROG IS CUMMING THE FROG IS CUMMING THE FROG IS CUMMING

[-] umbrella@lemmy.ml 0 points 1 week ago

those damn chemicals

[-] BaroqueInMind@lemmy.one 0 points 1 week ago* (last edited 1 week ago)

Subtle supernatural horror is my fucking favorite.

It doesn't spoon feed you the scare, it doesn't cheaply jump scare you like you're a fucking toddler incapable of understanding danger like most films do.

It simply brings into your realization a certain primal fear that something isn't right, and you can't explain why.

It's unsettling because you don't know for sure if you're going to immediately die, which makes it even more frightening.

It's called uncanny.

[-] renzev@lemmy.world 0 points 1 week ago

Thanks, this was my exact intention! I'm glad you like my shitpost!

[-] Passerby6497@lemmy.world 0 points 1 week ago

What are some good games like that? I'm not a big fan of the jump scare horror games, so I tend to ignore most horror games on principle, but the genre is still fun when I find a gem.

[-] tias@discuss.tchncs.de 0 points 1 week ago* (last edited 1 week ago)

Not exactly what you're asking for, but Subnautica slowly builds on a primal fear without resorting to jump scares. It's increasingly unsettling and you start finding excuses to just stay in your habitat to decorate instead of going outside. Possibly the best horror game I've played.

Life is strange has elements of it (think Butterfly Effect: the game) during parts of the game, although it gets pretty explicit rather than subtle.

Oxenfree also has elements of it, with people behaving weirdly etc. But it also mostly gets fairly explicit. Still, no jumpscares.

[-] ivanafterall@lemmy.world 0 points 1 week ago

The beginning of Subnautica is already too intense for me. And you think I'm going to swim over to the creepy shipwreck!? FUCK no. Game over.

[-] Passerby6497@lemmy.world 0 points 1 week ago

Heh, I don't know that I would have put subnautica in that category, but I can see where you're coming from on that one.

I might check out life is strange, thanks!

[-] n0clue@lemmy.world 0 points 1 week ago

FEAR, no I'm not kidding.

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I completely agree, but I've never been able to articulate it this well. Do you have any scary movie recommendations? I've got a feeling we have similar taste.

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[-] Dave2@lemmy.blahaj.zone 0 points 1 week ago

Yeah, that's not a mirror. Say cheese!

[-] Prime@lemmy.sdf.org 0 points 1 week ago

Its a basic physics thing. You see not more of your body when you take a step back. That is normal and expected.

[-] Tar_alcaran@sh.itjust.works 0 points 1 week ago

People just don't understand mirrors.

I did a horrifying experiment in uni with a mirror on the wall, and asked people to point at where they thought they could see their reflection . The obvious answer is of course "when you're next to it". A terrifyingly large number of people at a University assumed they could see themselves at a 45 to 60 degree angle, so several step before they actually reached the mirror.

Some of them were even shocked when they walked along it.

[-] Bishma@discuss.tchncs.de 0 points 1 week ago

the universe has forsaken me at DuckDuckGo

[-] Phoenix3875@lemmy.world 0 points 1 week ago

Now don't look at the lamp next to your sofa too closely.

[-] CodexArcanum@lemmy.world 0 points 1 week ago

Huh, never saw this one but in high school I had a dream just like this. I met a beautiful woman, perfect in every way, we got married had some kids, I even got some ways into middle age. Then, I was sitting in chair and noticed that my vision seemed... blurry at the edges, in a very "vignette filter" kind of way and I immediately knew I was dreaming. Woke up just as the existential collapse started. For several years after I'd try to remember her face, what our love had felt like, any of the details that had seemed so solid and tantalizing real for those few sleeping hours.

In retrospect, a lot like that Rick and Morty episode with the life simulator game. I wonder if one of the writers ever had that dream too? Brains are weird, and I haven't any dreams nearly that all encompassing since.

[-] Maalus@lemmy.world 0 points 1 week ago

I had a dream like that about an ex. Everything perfect, house, kids, the whole thing. It felt like one of those super realistic dreams too. I woke up and got a panic attack that fucked me over for 3 or 4 days when I realized it was just a dream. Human psyche is scary as fuck sometimes.

[-] pkmkdz@sh.itjust.works 0 points 1 week ago

I was going to say it's pretty depressing, but then I've remembered waking up in general in this awful world is

[-] taiyang@lemmy.world 0 points 1 week ago

I know you're going for creepy buuuut I read it more like a dude who doesn't get what a painting is.

[-] Ludrol@szmer.info 0 points 1 week ago

It's because you are a vampire and mirrors are no longer made out of silver. Just good old aluminium.

[-] bruhsoulz@lemmy.ml 0 points 1 week ago

S TIER CONTENT RIGHT HERE

[-] BenLeMan@lemmy.world 0 points 1 week ago

But you can't kiss a duck on the lips from the word go. Just ask Neil Degrasse Tyson.

[-] DannyBoy@sh.itjust.works 0 points 1 week ago

I thought this was talking about DuckDuckGo mirrors, as in a software mirror of the site.

[-] jawa21@lemmy.sdf.org 0 points 1 week ago

Were you trying to kiss yourself in the mirror?

[-] ouRKaoS@lemmy.today 0 points 1 week ago

Yeah, but not on the lips.

[-] Kolanaki@yiffit.net 0 points 1 week ago

Oh, hey Niel!

[-] gzerod200@lemmy.world 0 points 1 week ago

Lmfao that post was right above this one

[-] orl0pl@lemmy.world 0 points 1 week ago

I like to think that he forgets, keeps trying and then makes a new post about it

[-] Backlog3231@reddthat.com 0 points 1 week ago

Mirrors are hard. Good luck on your quest.

[-] niktemadur@lemmy.world 0 points 1 week ago

Mirror technology timeline!
Chirality 'n' shit.

A mirror's primary surface - a metal like silver that has just one electron sticking out alone in the top atomic orbital, plus other free electrons sliding around the surface, I believe - absorbs photons, then re-emits new photons almost exactly like the ones that came in.

[-] lud@lemm.ee 0 points 1 week ago

I don't get it. What is spooky or scary?

I thought it was just a funny joke.

[-] Astronauticaldb@lemmy.world 0 points 1 week ago

Oh, you know it's October when we're bringing the spooky shitposts out. Like, I have spectrophobia, and I've had actual nightmares about this shit happening lol.

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this post was submitted on 03 Oct 2024
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