This article titled “Dizzying optical illusions by Akiyoshi Kitaoka – in pictures” was written by , for theguardian.com on Tuesday 5th August 2014 16.36 UTC

Rotating Snakes - circular snakes appear to rotate spontaneously, using the peripheral drift illusion
Rotating Snakes – the circular snakes appear to rotate spontaneously in your peripheral vision as a result of the peripheral drift illusion. Notice how the movement stops when you look directly at a collection of concentric circles. The illusion is probably caused by unconscious rapid eye movements and blinking
Snake Conveyors - Conveyors appear to move
Snake Conveyors is another peripheral drift illusion. Blinking may enhance the effect
Autumn Colour Swamp - the inset appears to move
Autumn Colour Swamp. Try moving your browser window rapidly up and down (or scroll) to enhance the effect
Rollers appear to rotate
Rollers appear to rotate
Construction Of A Subway By Rabbits - the inner circle appears to rotate clockwise
Construction of a Subway by Rabbits: the inner circle seems to rotate clockwise while the outer circle rotates anti-clockwise. It helps if you don’t look straight at it
Primrose Field - checkered background and squares appear to undulate
Primrose Field: the checkered background and squares appear to undulate. Moving your browser window or scrolling enhances the effect
Red Frog Eggs - rows appear to move
Red Frog Eggs
Button Yokai. As you move your eyes around the picture, the buttons seem to get bigger
Button Yokai. As you move your eyes around the picture, the buttons seem to get bigger
Irrigation
Irrigation. The contents of the central channel move slowly upwards
Swimming Rings - appear to approach each other and move apart
Swimming Rings appear to approach each other and move apart

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