For people like herself, says Anneke Bart, math is like a puzzle. “We sit around and play with pictures and dink around,” says the professor of mathematics. That’s how, faced with a tough question, ...

Let there be no mistake about it. Many of the pictures that now routinely appear in print are no more than pictorial aids to reasoning, graphical sketches intended to suggest or persuade rather than ...

The late Dutch artist M.C. Escher is perhaps best known for his tessellations that fool the eye, like “Sky and Water I,” where birds in the air trade off negative space with fish underwater. But there ...

As somebody who was a math whiz in high school and also an artist, I have always been fond of M. C. Escher's artwork. There's just something about his tessellations and topsy-turvy optical illusions ...

image: Dutch artist M.C. Escher's most famous drawing, ;Circle Limit IV (Heaven and Hell)', shows angels and demons in a tessellation that fills a circle without empty spaces. This masterful woodcut ...

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When Mick Jagger wrote a letter to Maurits Cornelis Escher asking to use his artwork on a Rolling Stones LP, the rock star’s request was answered with a brusque lesson in etiquette. “Please tell Mr.