Hybrid image

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A Hybrid Image is an optical illusion developed at MIT in which an image can be interpreted in one of two different ways depending on viewing distance. They achieve this through the way humans process visual input.^[1]

Perhaps the most common example is one featuring Albert Einstein and Marilyn Monroe. Looking at the picture from a short distance, and one can see a sharp image of Einstein, with only a hint of blurry distortion hinting at the presence of an overlaid image. If printed at A4 size and depending on the viewer's eyesight, one can see the unmistakable face of Monroe at around 5m of more away from the image.^[2]