[HN Gopher] Adventures in Stereograms
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       Adventures in Stereograms
        
       Author : archagon
       Score  : 25 points
       Date   : 2022-03-30 01:50 UTC (21 hours ago)
        
 (HTM) web link (ironicsans.substack.com)
 (TXT) w3m dump (ironicsans.substack.com)
        
       | robga wrote:
       | Fascinating. As a teenager of the 80s I could never see them. 35
       | years later, and with (more) deteriorated vision, I wondered if
       | I'd have a revelation. Still nothing. Strangely affirming. I feel
       | 15 again.
        
       | dylan604 wrote:
       | This was the first time I had seen this kind of thing as video. I
       | was locked into it for a long ways through the video until I
       | blinked and then lost it. I wasn't able to get back the 3D image.
       | However, I did suddenly become aware that if someone was to walk
       | past me staring deeply into the static, that they might have some
       | concerns for my well being.
        
       | schwartzworld wrote:
       | Stereograms were always a sore point for me. I could never see
       | them. I can't see any of the ones in the post. I couldn't see the
       | ones in the newspaper or the magic eye books. I've tried every
       | suggestion I came across, squadoosh.
        
       | JKCalhoun wrote:
       | Hurts my head. I finally got the music video to work by trying to
       | focus on my _reflection_ in my laptop screen (so focusing _past_
       | the screen). But twice I was distracted and suddenly  "lost
       | focus" and unable to restore the stereo effect.
       | 
       | I took a stab at a stereo game for the Mac over three decades
       | ago, ha ha. Hilariously reviewed here:
       | https://youtu.be/uGheXtrOWrA
        
         | dylan604 wrote:
         | Thanks for that link. Needed a laugh and that worked.
        
       | danw1979 wrote:
       | I haven't looked at a stereogram since the Magic Eye books of the
       | 1990s but it came back pretty easy ! Highly recommend the music
       | video linked in the article and also the horse by 3Dimka is
       | really cool.
       | 
       | This is how much this kid-of-the-80s loved 3D stuff like this: I
       | used to spend hours drawing my own Anaglyph pictures and comics
       | with red and green biros, and putting on shadow puppet shows with
       | red and green backlights for my completely unamused little
       | sister.
       | 
       | There was just something magical about a 3d image popping out of
       | a flat surface.
        
         | dylan604 wrote:
         | >There was just something magical about a 3d image popping out
         | of a flat surface.
         | 
         | Is that how you see it so that the object is coming out at you?
         | The way my brain sees it is that the background retreats away
         | from the screen plane so that the object is just at the same
         | level as the screen. More like I could crawl into the world
         | that just opened up through my screen vs catching something
         | coming at me from out of the screen.
        
           | ammojamo wrote:
           | I always experienced them 'back-to-front' as well, and I
           | believe it is what happens if your eyes are focusing on a
           | point _in front_ of the picture ( 'cross-eyed') instead of a
           | point _behind_ it.
           | 
           | With a lot of effort, I can see it the right way by putting
           | the image very close to my face, and relaxing my eyes to
           | focus on an imaginary point beyond the page/screen. Then I
           | slowly back away so that the image fits more comfortably in
           | my field of view. However, I still find it _very_ hard to
           | bring the image into sharp focus, and at any moment the
           | illusion can suddenly disappear and I have to start again.
           | 
           | I have excellent vision but after trying to look at these
           | stereograms for a few minutes I am suddenly having difficulty
           | focusing on normal objects around me. Quite unnerving.
        
       | mmastrac wrote:
       | The first encounter with Stereograms I had was in the DOS days
       | with this software: https://archive.org/details/stare-eo-workshop
       | 
       | This still works in DOS but there are much better alternatives
       | now: https://github.com/exoscoriae/eXoDOS/files/5523691/STW.zip
        
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       (page generated 2022-03-30 23:00 UTC)