Sunday, October 2, 2016

Sander Parallelogram

Sander Parallelogram 

Sander Parallelogram - The Sander illusion or Sander's parallelogram is an optical illusion described by the German psychologist Friedrich Sander (1889–1971) in 1926. However, it had been published earlier by Matthew Luckiesh in his 1922 book Visual Illusions: Their Causes, Characteristics, and Applications.
Sander Parallelogram

Note:The two lines in purple have the same length; Sander's Parallelogram, also known as "Sander Illusion" is an optical illusion described by the German psychologist Friedrich Sander.
Posted by at No comments:
Labels:

Friday, August 12, 2016

The Ehrenstein Illusion

The Ehrenstein Illusion

 The Ehrenstein Illusion is depicted below. As shown in the following picture, the straight sides of the square appear curved due to the concentric circles.
The Ehrenstein Illusion is depicted in this picture. In this picture, the straight sides of the square appear curved due to the concentric circles.
The Ehrenstein Illusion


Posted by at No comments:
Labels: , ,

Thursday, August 11, 2016

The Penrose Triangle

The Penrose Triangle

The Penrose Triangle, also known as The Penrose Tribar, The Tribar and The Impossible Tribar is an impossible object created by a Swedish artist, Oscar Reutersvärd, in 1934. The Penrose Triangle is depicted below:

The Penrose Triangle, also known as The Penrose Tribar, The Tribar and The Impossible Tribar is an impossible object created by a Swedish artist, Oscar Reutersvärd, in 1934. This picture is displaying a Penrose Triangle.
The Penrose Triangle




 
Posted by at No comments:
Labels: , , ,
Subscribe to: Posts (Atom)