Friday, 19 August 2011

Brain Illusions

Impossible  Objects Illusions:
Our brain will usually try their best, but there are cases when not correctly process what the eye sees. The brains of useful shapes and symbols. It is trying to put them together like a jigsaw puzzle, formulating what is not there to what is credible. 2D figure is unconsciously interpreted as a 3D object, although such objects can not exist.
The Penrose triangle, also known as the Tribar is one of the most famous Impossible Figures. Try to find a line in the triangle and you would have to track three times around the triangle until they return to where you started.
The Penrose stairs is a variation on the Penrose triangle. You could up the stairs and never any  higher. That is only in two dimensions. This endless stairs can also be found in the paintings  of MC Escher, or even in the movie by Christopher Nolan Inception.
A realistic photo or just another undecidable figure?

This corner house is a little tricky. Q: Is the  angle concave or convex? Use your hand to the  upper half of the image and the angle cover is bulged. However, if you cover the bottom half, it will look like the inside corner.


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