= Henry Petroski =
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== To Forgive Design - Understanding Failure ==
=== Hillsboro Brookwood Library, 620.0045  2012 ===
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 .p87 "Scientific understanding didn't progress by looking for truth; it did so by looking for mistakes."
  . William Rosen ''The Most Powerful Idea in the World: A Story of Steam, Industry, and Invention''
   . Multco Central 909.81 R8133m 2010 . . . Washco Bvtn 909.81 ROS
 .p183 [[ http://www.kiplingsociety.co.uk/poems_martha.htm | The Sons of Martha ]]
 .p206 Tacoma Narrows bridge failure 1940 July 1 to November 7
  . car: reporter Leonard Coatsworth, small dog Tubby trapped and died
  . Length to width ratio 72 >> 45 for Golden Gate bridge, 5x lower weigh per foot
 .p290+  Deepwater Horizon, jammed blind shear ram
  . Over 25 years and 15,000 wells off North America and in North Sea, 11 activations of blowout preventers, 5 failures
  . Cost of drilling stop $40K/hr