Room 613 Student Blogs - 2005/2006

January 30, 2006

Optical Illusions - The Rotating Snakes

Filed under: Mr. H, Science —— Mr. Hetherington @ 10:59 pm

The illusion above is called “Rotating Snakes.” Can you see them moving? The apparent motion of the illustration is due to a visual illusion known as peripheral drift. The motion appears in your peripheral (to the side) vison when black and dark grey lines or white and light gray lines are drawn side by side. If you like this type of illusion, there are many more for you to view at Akiyoshi’s illusion pages.

Warning: This post contains some works of “anomalous motion illusion”, which might make sensitive observers dizzy or sick. Should you feel dizzy, you should leave this post immediately.

5 Responses to “Optical Illusions - The Rotating Snakes”

  1.   forrestg Says:

    WOW! At first I thought it was the computer moving the snakes until I put my mouse close to one of the tongues.

  2.   mattm Says:

    Wow, that is very interesting and It really give’s me a headache.

  3.   sarahd6h Says:

    Wow! that makes me dizzy,….cool!

  4.   amandam Says:

    I am so speechless, that all I can say is wow!

  5.   ericg Says:

    That’s really cool Mr. H! It’s amazing what the human eye does.

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