Category: Size and Distance | Date Added: June 4, 2009 | 
16 comment(s)
These two tables in this image by Roger Shepard appear to be different sizes, the one on the left is oriented vertically and seems to be longer and thinner. Remarkably, both tables are actually exactly the same size.
Image credit: Roger Shepard
16 comment(s)These two tables in this image by Roger Shepard appear to be different sizes, the one on the left is oriented vertically and seems to be longer and thinner. Remarkably, both tables are actually exactly the same size.
Image credit: Roger Shepard
Category: Shape and Color | Date Added: June 4, 2009 | 14 comment(s)
This image shows a grey stripe on a gradient background. The stripe appears to be shaded with a grey gradient also, however if you look closely you'll see that in reality the stripe is the same color all the way across.
14 comment(s)This image shows a grey stripe on a gradient background. The stripe appears to be shaded with a grey gradient also, however if you look closely you'll see that in reality the stripe is the same color all the way across.
Category: Size and Distance | Date Added: June 4, 2009 | 6 comment(s)
The Ebbinghaus Illusion, also known as Titchener circles is an image of two circles with additional circles around them. In this case the orange circle on the left is surrounded by large blue circles and the orange circle on the right is surrounded by small blue circles. But which is larger, the orange circle on the left or the orange circle on the right ? The answer is of course - they are both the same size.
Image credit: This image is believed to be in the public domain.
6 comment(s)The Ebbinghaus Illusion, also known as Titchener circles is an image of two circles with additional circles around them. In this case the orange circle on the left is surrounded by large blue circles and the orange circle on the right is surrounded by small blue circles. But which is larger, the orange circle on the left or the orange circle on the right ? The answer is of course - they are both the same size.
Image credit: This image is believed to be in the public domain.
Category: Shape and Color | Date Added: June 4, 2009 | 13 comment(s)
In this picture the squares marked A and B are exactly the same color, despite the fact that A looks a lot darker than B. The fact that B falls within the shadow of the green object fools the eyes in to perceiving the shades of grey differently. It is in fact very difficult to see these two squares as the same color even when you are told that they are.
Image credit: Adrian Pingstone
13 comment(s)In this picture the squares marked A and B are exactly the same color, despite the fact that A looks a lot darker than B. The fact that B falls within the shadow of the green object fools the eyes in to perceiving the shades of grey differently. It is in fact very difficult to see these two squares as the same color even when you are told that they are.
Image credit: Adrian Pingstone
Category: Shape and Color | Date Added: June 4, 2009 | 181 comment(s)
The question here is straight forward enough - what is this a picture of ? The answer is simpler than you might think.
Image credit: This image is believed to be in the public domain.
181 comment(s)The question here is straight forward enough - what is this a picture of ? The answer is simpler than you might think.
Image credit: This image is believed to be in the public domain.
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