What is something you can sense that few-if-any people you know can sense? Literal answers only.

  • BanaramaClamcrotch@lemmy.zip
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    4 天前

    Not me but my gf has a rare condition called SCDS. Basically, she can hyper hear her own body. Her heart sounds like a loud bass drum. She can hear her eyes when they move. She can hear her bones when they creak.

    It is unsettling and can be quite dis-orienting and painful. She has surgery scheduled next year to fix it!

  • marcie (she/her)@lemmy.ml
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    5 天前

    i can see very well in the dark, like pitch black night in the arctic circle in a forest i can see the ground enough that i wont trip and can avoid things like snakes

    i fucking hate all the bright lights on cars now btw. the sun is genuinely distressing to me i just simply cannot go outside without sunglasses, even when its very cloudy

  • Jakeroxs@sh.itjust.works
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    4 天前

    Older TVs I could “sense” when they were turned on or off like a room over.

    I assume it was a sound but I couldn’t really explain it back then lol, it really was more of a “feeling”

    • JackbyDev@programming.dev
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      4 天前

      CRT TVs have a very iconic high pitched noise. It’s somewhat similar to the sound of tinnitus. Combine that with some people not being able to hear those high pitched noises very well (especially as they age) it makes sense that you may have been able to hear them but not really consciously be aware of it.

  • HorikBrun@kbin.earth
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    6 天前

    I can smell your fabric softener, no matter how long ago you used it. Artificial perfumes of any kind just murder my sinuses. It suuuucks.

    I also can hear electronics, even just the lights, if that’s all that’s on. Maddening, because I can almost never find real silence. It’s why I love camping.

    • SeductiveTortoise@piefed.social
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      6 天前

      I experience the first set of powers, and I hate it. Every detergent, shampoo, deodorant I use is “sensitive”, “baby formula” or whatever.

      And a few years ago some deodorant company started using some I guess artificial compounds that just pushes the air out of my lungs, it’s so bad. I can not only smell it, it digs into my forehead.

      • AlsaValderaan@lemmy.blahaj.zone
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        5 天前

        I get this with pretty much all perfumes, scented candles, tobacco smoke (oh god the tobacco smoke) and extinguished matches and candles.

        With some people I wonder how they can exist with so much perfume poured over themselves that I can’t breathe while walking behind them. I just don’t understand.

        An upside of being smell sensitive is that it helps with debugging electronics. Burnt parts smell very obvious, and I can even smell hot stuff like heatsinks.

        • SeductiveTortoise@piefed.social
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          5 天前

          I can relatively easily reverse engineer recipes I like.

          I forgot to mention electronic vapes with, I don’t know, banana strawberry flavoured vape juice 🤮

    • truite@jlai.lu
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      5 天前

      Every time I say I hear electricity, people think I lie. But it makes noise! I hear my blood too.

      • AlsaValderaan@lemmy.blahaj.zone
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        5 天前

        I wish you could try stuff beforehand in a quiet place to see if it’s gonna bother you with annoying quiet noises. Unfortunately that’s not really a thing. Luckily electronics has gotten better over time but a lot of stuff still does it, just usually less.

      • stray@pawb.social
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        5 天前

        Can you do that thing where you flex some internal muscle and hear a loud rumbling that I assume is rushing blood? It’s hard to explain. I think the muscle is related to the jaw, or maybe ear movement. It’s not externally perceivable, but it’s useful on an airplane.

        • truite@jlai.lu
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          5 天前

          Is that something like swallow or gently blow through the nose with closing your nose? This is what I’m suppose to do to release pressure on my eardrum, but I have no idea what you mean.

          • stray@pawb.social
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            5 天前

            Those things pop your ears, yeah, but they’re not what I mean, and they don’t make the noise. Oh well.

    • KubeRoot@discuss.tchncs.de
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      5 天前

      I’ve got one light in a room that makes a quiet whining noise when on, seemingly only after a minute or so (maybe after it warms up a bit). Thankfully I can just keep it off just fine, but occasionally I’ll turn it on for a bit more brightness, and realise it’s still on a while later by the annoying noise.

    • JillyB@beehaw.org
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      5 天前

      I’ve never been a big fragrance guy. When I found out about people like you, I decided to just go fragrance free. If it’s not a big deal to me and it gives a few people headaches to be near me, might as well just not do it. There are some tangential benefits. My deodorant irritates my armpits less now. My hair oil used to irritate my skin if it got on my forehead. Now it doesn’t.

  • gtr@programming.dev
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    5 天前

    I can feel whether a battery is full or empty based on its weight. I know it doesn’t make sense but I’ve done a blind test and it works. Empty battery is lighter.

    • YesButActuallyMaybe@lemmy.ca
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      5 天前

      Drop a full and an empty battery from the same height onto a flat surface. The empty one will bounce more, the full one will just drop.

  • Jankatarch@lemmy.world
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    5 天前

    I don’t have a sense of smell but I can still smell if it’s cold or hot outside.

    Ah I can hear security cameras sometimes.

  • CanadaPlus@lemmy.sdf.org
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    4 天前

    I think I can see more colours in the stars than most people. I can also tell the northern lights are coming up earlier, so probably just low-light cone sensitivity.

    A wasp died in a vent a bit ago and it smelled awful to me, but nobody else could perceive it at all.

  • Suck_on_my_Presence@lemmy.world
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    6 天前

    I have a heart condition that I get an ECG (electro cardiogram) done for every 6 months or so. It’s just an ultrasound on your heart. They always take mine from a bunch of different angles and a bunch of different types of pictures.

    But I was recently in the hospital and told the technician that their machine was loud. She looked baffled. I told her I can hear the ultrasound and hers is the loudest I’ve encountered. Apparently I’m the only person she’s ever done work on (or however to say that) that’s been able to hear it.

    So I guess that is my super power. Or I’m just autistic, as apparently many autists can hear very high pitched noises.

    But the ultrasound is pretty cool. The frequencies and the pitch will change depending on what photo mode they’re in. Like a doppler mode is all pewpewpewpewpew while the normal mode is all eeeeeeeeeeeee. Lol. It’s hard to explain.

    • daed@sh.itjust.works
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      6 天前

      That’s a wonderful superpower! I can hear cars or footsteps approaching before my friends realise them, but high-pitched electric mole traps and ticking clocks can be annoying. Listening to music with good hearing is like taking drugs though. You should check out well-mastered music, commonly going as audiophile music.

      • Suck_on_my_Presence@lemmy.world
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        5 天前

        My friends have called me sensitive to everything. Apparently most people don’t love walking through neighborhoods just to smell other people doing laundry? Hahahaha. I love it.

        I’ve wanted some really excellent headphones for a while now, but it’s haven’t yet been at a place/time where I can pull the trigger. It will definitely happen one day

        • marron12@lemmy.world
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          5 天前

          I got some pretty nice headphones a while back. Not the really high end ones or anything, but good enough that I can get lost in the shapes, textures, and sometimes colors of the different instruments. Like someone else said, it’s a bit like being high.

          Cheap studio monitors are fun too because they really separate out the sounds. It can make me a little tired, listening to all that detail, but it’s so fun.

    • ace_garp@lemmy.world
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      6 天前

      Its seriously wild that you can do this!

      Apparently, ultrasound machines can use frequencies that start just higher than human hearing, 20kHz.

      Can you hear dog-whistles, bats, or other electronics?

      Get a hearing test and call Guiness (c:

      • Suck_on_my_Presence@lemmy.world
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        5 天前

        I hear bats, absolutely. I can hear electronics as well, and some are just so frustrating. I’ve never heard a dog whistle, as in I’ve literally never seen one in person, but there’s a house near to me that has a warning thing when someone approaches their yard, probably to ward off dogs? But my god, it’s loud and high. I try to avoid that route at all costs.

        • ace_garp@lemmy.world
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          4 天前

          “I hear bats” - Astounding! 8]

          It would be very interesting to get a hearing test done. One which provides you with a chart of frequency against intensity perceivable. I’d check that they are equipped to go over 20kHz first.

          • sping@lemmy.sdf.org
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            4 天前

            In the case of bats for me I think I feel the pulses of bats because it’s quite powerful, more than hear it. It’s probably undertone resonance or something.

            I haven’t heard any for a while and my hearing is deteriorating but bat numbers collapsed and I haven’t seen them either.

      • MurrayL@lemmy.world
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        6 天前

        Off topic, but I’ve not seen that emoticon before (unusually left-facing too!) and it’s adorable.

        • ace_garp@lemmy.world
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          5 天前

          It’s my favourite emoticon, the most calm and cartoony.

          I also created my own questioning emoticon about10years ago,

          what do you think of it "?

    • gazter@aussie.zone
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      5 天前

      I was entirely confused for a moment- I think you might be getting an echocardiogram, rather than an electrocardiogram. If you could hear an electrocardiogram, there would be something seriously wrong with their machine- It’s meant to be a passive electrical measurement. Echo on the other hand is exactly what you described, an ultrasound of the heart.

      I was actually thinking you might have a strong interoception, which is when people have an awareness of their own heartbeat signals- super rare but super cool.

    • Nindelofocho@lemmy.world
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      5 天前

      Annoyed by the commonly imperceptible sound an ultrasound machine makes? Possibly autistic

      Facinated by how and why the machine works while it annoys you? Definitely autistic

      I joke but im exactly like this too lol.

      • fizzle@quokk.au
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        6 天前

        Yeah me too. I think this is called “coil hum”. I notice it with things like usb-c thunderbolt ports. Often you can swap a cable or something and it’s resolved.

        • Luc@lemmy.world
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          5 天前

          I definitely can’t hear high frequencies (I’m assuming due to ear infections as a child, feels mildly unfair that other people my age get to hear and understand conversations better but oh well) but coil whine is a thing for me as well.

          Had a router once that would whine depending on the network packet rate. My computer screen makes a noise when displaying large grids like a screen full of terminal text or a mostly blank spreadsheet. The led lights in my bathroom make a noise and I often turn them off while transacting my business. My Bluetooth headphones make similar noises depending on the connection state but that one is probably interference and not coil whine

          It happens at all frequencies. Although you don’t need to be able to hear special frequencies for it, of course you’ll hear it in more places if you have superlucg hearing ^^

    • toynbee@lemmy.world
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      5 天前

      I had this exact experience and tried to ask the technician about it. She didn’t understand what I was asking. I thought I was just explaining it poorly.

      Lemmy needs to stop trying to convince me I’m neurodivergent.

  • python@lemmy.world
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    6 天前

    The fucking documentation for the libraries we program with, apparently. Everyone else at work either just vibecodes or goes “aw I don’t know how to do that, it probably can’t be done :c”

    • daannii@lemmy.world
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      6 天前

      All lights flicker. Just mostly we can’t perceive them.

      LED flicker is most noticeable tho. Incandescent the least.

      Fun fact. They flicker at similar frequencies (per light output/lumens) but the light drop off is more dramatic for LEDs so we perceive it more.

      People who are epileptic or prone to migraines usually are bothered more by LEDs.

      • Luc@lemmy.world
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        5 天前

        All lights? Also battery-fed DC lights somehow?! I’m no expert but that seems strange

        I’ve caught a lot of lights and light-emitting displays flickering with the 980fps camera that’s built into my phone (best thing since sliced bread for a nerd like me), but also quite many lights appear solid. I’d imagine few have such high-frequency electronics that it pulses well beyond 1 kHz. Otherwise the sensor should sometimes capture a frame during a low or a peak

        As an example, I was recently looking at car lights in Germany, expecting to see duty cycling in most modern ones, but the majority (2/3rds or so) were actually solid so far as I could tell. A few cars had a mixture of flickering and solid lights in seemingly the same fixture. All flickering ones were high frequency though, not like 50 Hz as grid-fed lights do but much more. I didn’t bother with ffmpeg and counting frames but I estimated on the order of 250 Hz for one of them

        • daannii@lemmy.world
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          5 天前

          “Sunlight inside” is a lightbulb brand. Led with a modulator.

          It’s not actual sunlight.

        • daannii@lemmy.world
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          5 天前

          Yes all lights flicker. That frequency number is how fast it flickers.

          There has been attempts to reduce flicker.

          It has to do with how electricity works and the filament in the bulb. I honestly don’t know the details except that some tech has reduced it in LEDs. They say it no longer has flicker but it’s still there. Just reduced.

          I’m going to post another image relevant to this.

          • daannii@lemmy.world
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            5 天前

            Illustrates two ways to combat flicker in LEDs. It’s still there. Just less visible to humans.

  • ChonkyOwlbear@lemmy.world
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    6 天前

    I used to operate a drill rig for taking soil and water samples. I learned to read all the utility markings and to spot the telltale markings of previous drill work. I can walk around an urban area and tell you where all the gas stations and drycleaners used to be just based on a look at the pavement. In that sense I can “see” things others can’t.

      • Saurok@lemmy.ml
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        6 天前

        Just fyi, they answered your question further down in the thread without replying to you by accident I think. I saw your question and also wanted to know, just passing that along in case you were still curious lol

  • KumaLumaJuma@feddit.uk
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    5 天前

    The god-awful taste of sugar substitutes.

    A lot of people can taste things like saccharine I think? But I can taste any fake sugar, even when there is a mix of real and fake sugar in the same thing.

    Aspartame/acesulfane is definitely the worst of them all, but sucralose, stevia… all of them taste like medicine kind of.

    I can also taste the difference between cane and beetroot based granulated sugar. Beetroot sugar is sharper.

    • Evoliddaw@lemmy.ca
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      4 天前

      I thought I was the only one that could not stand aspartame like how is it in so many things and no one says anything haha

    • nickiwest@lemmy.world
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      4 天前

      So much this. I live in a country with a sugar tax, so almost every soft drink on the market has part of its sugar replaced with some kind of sweetener. I didn’t drink a lot of soft drinks before, but now I can’t drink them at all.

    • saigot@lemmy.ca
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      4 天前

      I can definitely taste the difference between aspartame and sugar but its not unpleasant to me.

    • orgrinrt@lemmy.world
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      4 天前

      This is so interesting, since I simply can not tell a difference between the aspartame/acesulfane and actual sugar in fizzy drinks. I guess I have it easy because of that, but I have a somewhat keen sense of taste otherwise, I cook a lot and can detect what the taste is missing or has too much of pretty consistently, and know the “opposite” tastes/ingredients to apply. And wines and such, it’s sort of a synesthesia thing too, since I kind of feel them as something close to colors. But sweet things I have trouble with. I thought, not sure why, this was a human thing, but it’s interesting to hear someone can detect the sweet things granularly! Cool!

  • boydster@sh.itjust.works
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    6 天前

    The ringing in my ears is my own personal sensation. There are many others with a ringing of their own, but this one is mine and it undoubtedly is as unique as my fingerprint.