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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Constitution Day and Citizenship Day
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Lanterns alight in Pingxi
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International Zebra Day
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Let us introduce you…
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Poinsettia Day
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The aftermath of a meteorite
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International Jazz Day
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Málaga, Spain
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Desert bighorn sheep in Valley of Fire State Park, Nevada
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Black History Month
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International Day of Light
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‘Think equal, build smart, innovate for change’
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High alpine color in Colorado
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Our Lady of the Rocks
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The Badlands celebrates a milestone
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Jane’s Carousel delights
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Happy Presidents Day
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Wedded Rocks, Japan
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Silent night, sparkling lights, and hearts full of joy
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Women s History Month
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Celebrating 54 years of Capitol Reef National Park
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The 80th anniversary of D-Day
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Feeling crabby?
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Ludwig’s palace
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Negratín Reservoir, Granada, Spain
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An iris garden in Tokyo, Japan
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Digging the birds
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A monastery in the mountain
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Pretty, pretty…butterfly?
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Cheetah in Ngorongoro Conservation Area, Tanzania
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