Saturday, May 31, 2014

Faces or vases - Awesome Optical Illusions

What do you see?


Tuesday, May 27, 2014

Are They the Same - Awesome Optical Illusions

Look carefully at the two pink diagonal lines. Are they the same shade of pink
or are they different shades?



Look carefully, they are the same. Don't let your eyes deceive you!

Monday, May 26, 2014

What do you see? - Awesome Optical Illusions

What do you see?






 A face or the word "liar"?  This clever illustration was drawn by Paul Agule.

Monday, May 19, 2014

The Impossible Elephant - Awesome Optical Illusions

How many legs does this elephant have?






The impossible elephant was drawn by American cognitive scientist Roger N. Shepard.

Sunday, May 18, 2014

Which circle is bigger ? - Awesome Optical Illusions

Look carefully at the center circles on both the left and right.
Which circle is bigger?




 Are you sure they aren't both the same size?  This relative size illusion is called the Ebbinghaus illusion.  It was discovered by Hermann Ebbinghaus, a German psychologist, in the early 1900s.

Friday, May 16, 2014

Wednesday, May 14, 2014

straight or curved? - Awesome Optical Illusions

Are the lines below straight or are they curved?





 Try putting a straight edge against the lines on your screen to test your conclusion.