Math Arguments
180 Days of Ideas for Discussion in Math Class. (as of 9July2014, we're in overtime!)
Sunday, May 17, 2015
463: Illusions 3 - Cafe Wall
Here's the original Cafe Wall, after which the Cafe Wall Illusion was named.
What went wrong with this wall? What is it that every single bricklayer and tile-setter knows as Rule #1, to avoid the Cafe Wall Illusion?
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