Coffee, Pi and Phi

Caffe Destino serves up mathematical art and mochas

Arts & Books
In honor of Pi Day, here’s a mathematical query related to phi: What shape’s surface area, when divided by the area of a square of its same dimensions, equals the golden ratio? The DOR (direct opposite reverse), of course! Caffe Destino has just opened an exhibit dedicated to the shape, which Portlander David Sterner discovered over thirty years ago while slicing old skylight glass to ...   More
Thursday, March 14, 2013 ENID SPITZ


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