NORTH POLE, Alaska — In Krystal Francesco's neighborhood, known here as the "rectangle of death," the air pollution recently was so thick she could hardly see across the street.
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You've probably heard of Pi day held on 14 March, and might even know its rival Tau day on 28 June. But these circular numbers aren't the only mathematical constants worth celebrating. Just in time for today's date, known as Phi day, musician Michael Blake has composed a soundtrack in recognition of the golden ratio, represented by the Greek letter phi (see video above).
More on MATHEMATICS: http://www.scoop.it/t/science-news?tag=mathematics
Via Sakis Koukouvis, Digital Sustainability Delete the scoop?
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