Design flaw: to check air pistol pressure, point it at your face

Mark W Shead uses the terrifying design of this air pistol (you have to point is straight at your face to check the pressure) as a jumping-off point for a short, to the point essay on "domain knowledge" and software design. Why You Need Domain Knowledge (via Making Light)

Source: http://boingboing.net/2012/02/10/design-flaw-to-check-air-pist.html

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