It has been since 1915 that this optical illusion drawn by the British cartoonist William Ely Hill hasn’t got old at all… Firstly drawn to be a memento mori and to trap the lingering eye of a soul too sensible to the beauty of youth, this optical illusion actually owns other powers. An Australian study recently published in the Scientific Report review reveals that  the spectator’s age influences his perception of the drawing.

My wife or step-mother show either a young woman looking away and an old lady in a fur coat. The success of this optical illusion has made it one of the most copied one of the last century. In order to help you to distinguish one from the other, please pay attention to the eye of the old lady, which is also the ear of the young woman…

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