The story behind #NASA's #humancomputers. https://t.co/QgY3AIRerj https://t.co/7dP5n7wCGz

The story behind #NASA's #humancomputers. https://t.co/QgY3AIRerj pic.twitter.com/7dP5n7wCGz

— Ira Riklis (@IraRiklis1) January 24, 2017

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