A bizarre World War II pigeon project is what gave rise to the modern touchscreen. Pigeons were trained to peck at screens in gliders to drop bombs. http://www.dailymail.co.uk/sciencetech/article-4845448/WWII-pigeon-project-led-modern-touch-screens.html
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WWII pigeon project gave rise to the modern touch screen. http://dailym.ai/2wW27Oz