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But you might be surprised to learn that this is an optical illusion that long predates the smartphone. Known as Pepper's ...

Illusion is derived from the Latin verb illudere, which means to mock or trick. Optical illusion pictures are designed to trick the human mind and are regarded as one of the simplest tests to ...

"Artists & writers guild books"--P. 4 of cover. "Golden books"--P. 4 of cover. Contains acetate sheets, cards, 3D glasses and other aids in pocket. EYE MAGIC : FANTASTIC OPTICAL ILLUSIONS : AN ...

Seeing things that aren’t really there is a daily experience in the 21st century. “When you see your best friend on Zoom, you don’t think, ‘OMG, a ghost,’ or ‘How did she get so tiny and inside my ...