|
|
|
|
|
|
|
|
|
Shifting Cube: A Visual IllusionThere are two cubes: a small one and a big one. Or is it just a small cube set up in a corner formed by three planes? Or, perhaps, it's a big cube one of whose corners was cut off?
As with the Necker cube, the brain tries to make up for the absence of perspective clues. There are at least a couple of ways to do that. It is easy to make it see either one or the other. 
Copyright © 1996-2008 Alexander Bogomolny |
| 28737571 |  |
|