Melting Pot
Dec 31, 2008 | 09:58 AM
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When seconds count
If you're stuck on a bridge during an earthquake, you better hope its a nickel-titanium alloy bridge. According to an experiment at the University of Nevada, Reno, bridges reinforced with an "elastic" nickel-titanium alloy known as nitinol can withstand 10 seconds of a magnitude 8 quake on the Richter Scale, unlike regular bridges, which would emerge from the tremors as a pile of rubble. "These are the type of materials that have a memory. They remember how they were before the earthquake happened, so they tend to maintain their....
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