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News: USA showered by a watery comet ~11,000 years ago, ending the Golden Age of man in America
http://dsc.discovery.com/news/briefs/20050926/mammoth_02.html
 
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Mothman


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Author Topic: Mothman  (Read 1308 times)
Christian Kielbasa
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Posts: 1197



« Reply #60 on: June 06, 2009, 12:17:54 am »



Fractured  eyebar member from the    Pt.   Pleasant   Bridge.  The eyebar contained an initial flaw, due to stress corrosion, one-eighth of an inch long.

The eyebar then fractured in a brittle manner with the crack extending rapidly from the initial flaw.  The entire 1700-foot long bridge collapsed in less than 60 seconds.
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