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
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An island hopper s paradise
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Keep your hands inside the ride at all times…
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Let s celebrate cephalopods
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Taughannock Falls State Park
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Badlands National Park in South Dakota
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Rockin with the rockhoppers
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Lights, camera, Sundance
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Dancers perform ‘Revelations’
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A sea of swirling stone
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World Rainforest Day
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Happy Fathers Day!
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Huntington Beach Pier, California, at sunset
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A cry for independence
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A good time in the Badlands
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A grand event
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Wayag Islands in the Raja Ampat Islands of Indonesia
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A unique elephant encounter in Nantes
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Bowling Ball Beach in Mendocino County, California
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Red fox, Grand Teton National Park, Wyoming
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International Day of Human Space Flight
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Daylight saving time
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Ancient til trees in Fanal Forest, Madeira, Portugal
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Lake Peipus, Estonia
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Portland celebrates its bounty
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It’s Art Deco Weekend in Miami
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St. James Tidal Pool, Cape Town, South Africa
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Happy winter solstice!
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International Kissing Day
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Great horned owl fledglings
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The Rainbow Houses of Houten, Netherlands
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