Visual Illusions 10

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So it's time again for our installment of visual illusions. Enjoyed by many, we'll keep this content coming! 

The Spinning Dancer

Known as a "bistable illusion," this spinning dancer illusion below is pretty incredible. As you can see, the far left dancer is spinning clockwise, and the far right dancer is spinning counter-clockwise. The middle dancer may appear to spin either direction. However, try alternately covering the far left dancer, and later the far right dancer, to see how this affects the middle dancer. Most will see the middle dancer switch spinning directions depending. Thanks to Nobuyuki Kayahara for this great illusion!

 The spinning dancer in the middle will, for most, spin either clockwise or counter clockwise depending on which dancer (far left or far right) you cover with your hand.  Image Courtesy: Nobuyuki Kayahara

The spinning dancer in the middle will, for most, spin either clockwise or counter clockwise depending on which dancer (far left or far right) you cover with your hand.  Image Courtesy: Nobuyuki Kayahara

The "Moving" Bike

Another master of visual illusions is Akiyoshi Kitaoka. This great "moving" bicycle is one of his best. Of course, the bike is not actually moving. The arrangement of colors and shapes tricks the eyes. 

 Are the bike wheels turning or not? Hint (nope ;). Image Courtesy: Akiyoshi Kitaoka

Are the bike wheels turning or not? Hint (nope ;). Image Courtesy: Akiyoshi Kitaoka

Scrolling waves

This image by Akiyoshi Kitaoka looks static when your page is static. However, try scrolling up or down and you will see a lot of movement in this wave pattern. Another classic creation from the master of "moving, static images." 

 Moving waves by Akiyoshi Kitaoka. Scroll your webpage up or down to see the "movement." Image Courtesy: Akiyoshi Kitaoka

Moving waves by Akiyoshi Kitaoka. Scroll your webpage up or down to see the "movement." Image Courtesy: Akiyoshi Kitaoka

Dan Meyers