Monday

Paris - Rome Sign Optical Illusion

Here is another excellent optical illusion from Sarcone & Waeber. Look at the two sign poles below, Sarcone & Waeber ask one question, "are the poles straight and parallel?"

What do you think?

Pull out a ruler and measure the gap at the top and bottom and you'll prove to yourself that they are in fact parallel.

Paris Rome Sign Optical Illusion

© 2005, Sarcone & Waeber
www.archimedes-lab.org
used w/permission

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