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crwmike

What do you see?

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:)
Stereograms delight me. I've shown stereograms to a bunch of skydivers and nurses over the years. It still puzzles me, it's a rare skydiver who cannot see the images and a rare nurse who can.

Why is that, I wonder?

Have fun!

Michael

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I can see them all but i wont say what they are and spoil it for others.

i just go crosseyed and then when i slowly go back to normal vision i can see them :).

And you shed not a single tear for the things that you didn't need
'Cause you knew you were finally free - Death Cab For Cutie

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Well I am that 'rare' skydiver - I can never see through those things... :(



Bet you can

Look at it this way ;) You're flying toward 6-way base on an slow, smooth 30-way. You're 25th.

You don't look at your slot, you open your gaze to take in the whole (3-D) picture.

Now ...

Open your gaze through the pic

don't focus

relax

Don't be goal oriented (tell him, girls ) Don't look for the image. Stare through it at allow it to form. Once you get it, it's amazing.

Good luck,

Michael

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These are nice! Even *I* could see them...problem is I have to look cross-eyed to see them, which inverts the depth of the image...the parts that should stick out towards you are 'lowered' into the image.

I have a book of these things, my wife reads them like a comic, but it takes me much longer...:)
Rainman

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It's just a knack, like lots of other things. Once you've seen one or two, you should be able to instantly see others.

I found the best way was to have the image behind glass or another reflective surface (unfortunately most computer screens are pretty non-reflective these days). If you focus on your own reflection in the glass rather than the image itself, then you're effectively doing what you need to - focusing beyond the image.

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Ok. I see them...WOW
How do they work ????



By fooling the brain into thinking that your left and right eye, which are actually looking at two different parts of the image, are seeing two 'sides' of the same object. The parts of the pattern that your two eyes are focusing on individually are very similar but just different enough to give a sense of perspective.

The most basic stereograms comprise two photographs side by side, each taken from slightly to the left or right of the subject. Once you can get your left and right eye to concentrate on the left and the right image respectively, then it's as if you're seeing a real-world object in 'stereo', like we do in the 3d world.

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I could tell 1 and 2, but I couldnt tell what 3 and 4 are.



I think they're all fairly obvious, so I suspect you're not quite seeing the last two properly. Keep looking!

By the way, I remember hearing that the principle of stereograms was first noticed by someone gazing at wallpaper (jeez, that guy must have been bored!) Slight imperfections in the repeating pattern gradually gave him the impression that it was 3-dimensional.

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I can never see these things. I try the cross eyes, letting my eyes not focus, but nutting! :P


Look over your monitor and focus on something at the wall, then look back down at your monitor without refocusing your eyes - just pretend the monitor isn't there and you're still trying to see something on the wall.
it's like incest - you're substituting convenience for quality

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