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intriguing perception and optical illusion contents, you
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though they seem to bulge inwards, the lines are perfectly
straight and parallel to each other.
Lab Illusion Galleries & Stores
can use the image above in your non-commercial web
page for free as long as you leave the copyright and
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A. Sarcone and Marie J. Waeber, designers and writers,
are specialists in creative learning. They create and invent
educational manipulatives and thinking games which help teach
mathematics, visual and plastic arts. Their maxim is: be
curious first!. In 2018, they won
the prestigious Royal
Society's Young People's Book Prize (click here to
get more info about the authors).
Lab Books To Delight Your Eyes & Mind!
Read here before copying and using any of our images
or texts. Thanks