https://en.wikipedia.org/wiki/Space_Shuttle_Challenger
http://www.nasaspaceflight.com/2011/01/1983-1986-missions-history-space-shuttle-challenger/
http://www.msn.com/en-ca/money/technologyinvesting/apple-has-another-problem-the-ipad-is-dying/ar-BBoLFtF?li=AAggFp5
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