Click here to get an easy-to-see Stereogram made of these small images.

Here is another neat example; you may have noticed it before...

... and This one is one of my favorites. Here is a great idea , I think, but for me it's difficult.  Sometimes it 'comes in' properly and sometimes it doesn't!   Here is a classic [off-site].   This one is interesting, click here... it's also a book... see Amazon.com elsewhere on this page.

Stereograms are not like the familiar pictures one views with 3D viewers or with 3D glasses. The image one perceives by staring at them is generated when the brain tries to make sense of the patterns.

Also, Stereograms are not like these... after you click here, cross your eyes slightly & wait for the middle picture to form... (I love you - wo ai ni).  This one shows that even with two low quality pictures, you can see a better one, in stereo.

Cross your eyes to see this one ,  it's not too difficult...
cross your eyes to see this one! , it's easy and really neat.  This is a nanotechnology differential gear made of just a bunch of atoms.  (It's not real -- yet, but it will be.  Here is a larger version.  It's at this a web site which is about nanotechnology: http://www.imm.org/Parts/.  And here and here are more! 

Another way to see 3-D from a flat surface is for the surface to somehow reconstruct the wave front of light that the real object would reflect if it were present. White light HOLOGRAMS can do this. This one was scanned in with an ordinary scanner, frame and all. (Of course you can't get the three dimensional effect on your screen, but this gives you some idea of what it looks like. In the original hologram, when you move your head from side to side, you can see somewhat AROUND the 'object' just as happens in real life -- as if the object were there.)

 Photographing a person's face with a cone-shaped mirror in front of the lens creates a distorted, doughnut- shaped image (left). The cone provides two extra perspectives of the face on opposite sides of the center point, providing enough information to construct a 3-D model.

Computer Vision Lab., Columbia  Univ.

Count them... wait for the image to move !

3-D 35mm camera tested on the International Space station, 2003

Albert Einstein.

If you stand 15 feet away,
It will become Marilyn Monroe.

Click to open in new window.

Wind on Mars - Cross your eyes...

This image was acquired at the Phoenix landing site on
day 13 of the mission on the surface of Mars, or Sol 12.
June 2008

Source: http://www.nasa.gov/mission_pages/phoenix/main/index.html

You need 3D glasses for this: Two images taken within 10 minutes of each other by the Mars Reconnaissance Orbiter show roughly the same features. Scientists combined the two angles to