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Damaged bridges will cry for help before they fail

作者:钦茏    发布时间:2017-11-01 01:00:17    

By Sujata Gupta The catastrophic collapse of a highway crossing of the Mississippi river has spurred the development of sensor networks to make such structures safer I AM standing in a hallway at Acellent Technologies in Sunnyvale, California, golf ball in hand. Before me is a hard, black plastic panel. I hurl the ball and it hits the panel with a loud “thwack”. The computer on my left intones:

 

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