The technology of blow-out preventers

If you are curious about the blow-out preventers that are getting the blame for the BP Gulf oil spill, Wikipedia has a short page on their principles of operation:

Also, M.I.T.'s Technology Review publication has brief article on the topic, followed by dozens of vitriolic reader comments:

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The Editor’s Desk focuses on the engineering profession and its impact on society, trends in engineering compensation, and the education of engineers.


Lee Teschler

Leland serves as Editor-in-Chief of Machine Design. He has 34 years of Service and holds a B.S. Engineering from the University of Michigan, a B.S. Electrical Engineering from the University of...
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