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"The classic "3 R's" of learning are, of course, Reading, 'Riting, and 'Rithmetic.  For the 21st century, we need to add a fourth R--and it will help inspire the other three:  Algorithm. "

"A team of university students in Sydney have cracked the secret algorithm used on Sydney's public transport tickets for buses, trains and ferries, which they say could allow them to print their own tickets. "

"It's one of the great unseen drivers of our world-silently altering and shaping our social lives, the way we communicate, our access to information, our economies, our culture, the very future itself. Ladies and gentlemen, we give you-the algorithm!"

Teach #cs4hs computational thinking with #scratch. Scroll down to see the sorting algorithm dancers.

"Well, we are two Ukrainians who studied computer science at a university a while back. Both deeply passionate about computer science, sometime ago for our gradate work we developed an algorithm for detecting plagiarism in content. Once the project was completed, we saw what it has become. It was an amazing and useful tool for students and teachers to check if they or someone they know has plagiarized. Now finished with school, we thought this could really be useful to the public. So we gathered like-minded people to help make our service useful and popular throughout the world."

"CS Unplugged is a collection of free learning activities that teach Computer Science through engaging games and puzzles that use cards, string, crayons and lots of running around. The activities introduce students to underlying concepts such as binary numbers, algorithms and data compression, separated from the distractions and technical details we usually see with computers."