It’s Pi Day, the day we celebrate the mathematical constant π. This day was chosen since today’s date expressed numerically (in US format) matches the number’s first digits, 3.14. Pi represents the ratio of a circle’s circumference to its diameter. It can be used to compute the area and circumference of a circle, such as the crop patterns we"re looking at here in Colorado. (Who said math wasn"t useful in the real world?) Many towns, schools, and museums mark the day with festivities based around mathematics and, of course, serving pie. We can’t think of a more delicious way to study geometry.
Rocky mountain pi
Today in History
More Desktop Wallpapers:
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Poinsettia Day
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Santa Claus Village in Rovaniemi, Lapland, Finland
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Summer huts in winter
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A fortress in the sky
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World Turtle Day
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Grand Staircase-Escalante National Monument, Utah
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Dog days of summer
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Holi festival
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‘The memory of Abraham Lincoln is enshrined forever’
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Patriot Day
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Devils Tower National Monument, Wyoming
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Lunar eclipse
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Porto Flavia, Sardinia, Italy
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Halfway Day
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Spring comes to the Palouse
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Of moles and liquid nitrogen
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The otherworldly red river
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International Literacy Day
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Abbey Gardens in Bury St Edmunds, England
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On the rebirth of the Olympic Games
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Best. Holiday. Ever.
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There’s treasure in them thar hills
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International Day of Peace
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Let’s go foraging
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Cypress trees in George L. Smith State Park, Georgia
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Tiny fliers head south
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World Book Day
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Let the games begin
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Provence blooms with lavender at Sénanque Abbey
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Marshland, Gloucester, MA