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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Great cormorants
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Take a hike near Lovers Lane
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An aviation celebration
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Swimming into the season
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A hero for the 21st century
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All hail the king of shrubs
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A cutting-edge art gallery opens in Paris
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Fog above the forest
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Rainbow Mountain
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An uncommonly cool critter
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Jan van Eyckplein in Bruges, Belgium
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A story of wind and ice
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Sleep tight, little hedgehog
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Floating temples in the Land of Smiles
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That bill s just not going to fit
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East River crossing
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The Twin Cities celebrate Pride
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Bonaventure Cemetery, Savannah, Georgia
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Long-eared owl in the Czech Republic
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Mont-Saint-Michel
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In the path of the pronghorn
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Haghartsin Monastery, Armenia
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Entoloma hochstetteri mushroom at Lake Mahinapua, New Zealand
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Birds and bees, and why they re so important
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Daylight saving time begins
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Fannette Island, Lake Tahoe
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This park is Superkilen
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Celebrating a Paris landmark
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It s Asian American and Pacific Islander Heritage Month
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Hello, spring!