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On Pi Day, San Francisco's Exploratorium Celebrates With Circular Parades, Pi And Pie
Chris Flink is executive director of the Exploratorium in San Francisco, otherwise known as the birthplace of Pi Day. He speaks about the importance of the holiday that celebrates the ratio of a circle's diameter to circumference.
Read more on NPR
On Pi Day, San Francisco's Exploratorium Celebrates With Circular Parades, Pi And Pie
Chris Flink is executive director of the Exploratorium in San Francisco, otherwise known as the birthplace of Pi Day. He speaks about the importance of the holiday that celebrates the ratio of a circle's diameter to circumference.
Read more on NPR
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