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For those who don t remember high school math class, pi represents the ratio of a circle s circumference to its diameter, and the number goes on apparently forever. (Shutterstock)
SAN FRANCISCO, CA The blue lights flashed, the music kicked in and the chant began: Three - one - four - one - five. It wasn t a techno nightclub show or a cult meeting; it was the Exploratorium s annual celebration of pi, also known as 3.1415, on Sunday, 3/14. The San Francisco science museum began the event in 1988 and held it online this year due to COVID-19. For those who don t remember high school math class, pi represents the ratio of a circle s circumference to its diameter, and the number goes on apparently forever.