Foundation ANAR, a nonprofit organization dedicated to the protection of children at risk, has come up with a clever illusion as part of a campaign against child abuse. The images use lenticular technology to communicate different messages to children and adults, based on their respective heights and angles of view.
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ABOUT THE AUTHOR(S)
Susana Martinez-Conde is a professor of opthalmology, neurology, and physiology and pharmacology at SUNY Downstate Medical Center in Brooklyn, N.Y. She is author of the Prisma Prize-winning Sleights of Mind, along with Stephen L. Macknik and Sandra Blakeslee. Their forthcoming book, Champions of Illusion, will be published by Scientific American/Farrar, Straus and Giroux. Follow Susana Martinez-Conde on Twitter Credit: Sean McCabe