Computer Science Education Week begins today, and because the field can seem daunting to the uninitiated, we’re showing a very relatable document that humanizes the work behind computer science. The notebook in this photo contains equations and ideas crafted by Alan Turing, the British mathematician and early computer scientist who helped the Allies win World War II when he cracked the code of Nazi Germany’s Enigma machine. In 2015, Turing’s notebook, written while he was working on the Enigma code, was sold at auction for more than $1 million.
Computer science on the page
Today in History
More Desktop Wallpapers:
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The fishing village of Reine, Norway
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World Rainforest Day
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Cherry blossoms spring to life
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A dying breed of tree thrives in an American park
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Venture into a prehistoric gallery of art
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Great white egret, Upper Bavaria, Germany
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Ready. Set. Snow.
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Cheetah in Ngorongoro Conservation Area, Tanzania
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A different kind of dive
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A truly American monument
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Fibonacci Day
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International Lighthouse and Lightship Weekend
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Cherry blossoms at Tom McCall Waterfront Park, Portland, Oregon
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Manatee Awareness Month
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Peggys Point Lighthouse, Atlantic Coast, Nova Scotia, Canada
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Anniversary of Pinnacles National Park, California
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Hispanic Heritage Month
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Flooded crypt, Basilica of San Francesco, Ravenna, Italy
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Harbor and longtail boats at Ko Samui, Thailand
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International Jazz Day
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Longtailed widowbird at Rietvlei Nature Reserve, South Africa
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Manatee Awareness Month
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International Womens Day
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Climb a tree for wild animals and plants
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Bridge of Hillsborough County
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Not your average sandcastle
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Everglades National Park marks 90 years
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Stop and see the flowers
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J.R.R. Tolkien Day
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Tennis in the park
Bing Wallpaper Gallery

