Crowdsourcing Brainpower

If you want to think outside the box, ask someone outside the box for their thoughts.

In 2007, a team of astrophysicists from Great Britain and the United States asked the public for help. They had gathered a million images of galaxies photographed by a telescope at the Apache Point Observatory in New Mexico and needed help classifying each one. Each image had to be classified by 20 different people to decrease the likelihood of an incorrect classification, and the scientists simply didn’t have the time or manpower to complete 20 million classifications on their own.

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