The Most Insane Roller Coasters Around The World

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The origins of the roller coaster probably date back to Russia in the 1400s, where ice sledding was a popular winter activity. It became so popular that people in relatively flat areas constructed their own hills out of snow and ice.

The tops of these artificial hills were reached by way of elevated wood towers with stairways from the ground. For a small charge, people could climb the stairway and take a quick, exciting ride down the hill on a sled. (Pics)

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Age-Estimation Software Determines Age Through Face

Age-Estimation Software Determines Age Through Face 

People who hope to keep their age a secret won’t want to go near a computer running this software. Like an age-guesser at a carnival, computer software being developed at the University of Illinois can fairly accurately estimate a person’s age. But, unlike age-guessers, who can view a person’s body, the software works by examining only the person’s face.

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