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3-D Vision

   
       
 

Leonardo's Window

3-D from 2-D Dots
Each eye sees a random dot pattern. For one eye, a block of dots is shifted sideways. This produces a 3-D picture.

3-D Movement from a 2-D Pendulum
A dark glass slows down the response of one eye enough to produce different images of a straight swinging pendulum bob in each eye. This results in the bob appearing to follow a elliptical path.

3-D Pictures (red-green)
Use red-green glasses to see depth in these pictures.

3-D Shadows
A bit like the old 3-D movies: red and green shadows, viewed through red/green spectacles produce a different image in each eye resulting in 3-D vision.

3-D Views
View pairs of stereo pictures using mirror stereoscopes to see 3-D images.

3D Drawing Machine (RLG)
A pair of electro-luminescent image-retaining panels, on which a hand-held point source is imaged - to give 3-D drawing as the panels, in the heart of the machine, are viewed one by each eye - in a stereo optical system. Try drawing a knot in three dimensions. It is impossible, even for the greatest artist with pencil and paper - but you can do it with this device.

Changing Depth Julesz Square
Random dot stereograms seen through a stereo viewer. When one pattern is shifted to one side, the depth of the 3-D image changes.

Leonardo's Window
An easy way to draw with the correct perspective. Also shows how our brain alters the image we see to make distant objects look larger.

Moving Depth Footballer
Look through a stereoscope at two similar pictures. As you move an image of a footballer sideways in the view to one eye, and he appears to move back and forward in depth..

The Deepest Colours You Ever Saw
See in 3-D when special glasses shift the colours in a picture.

Victorian Views
Use a stereo viewer to see examples of old stereo pictures.

 
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