FollowTheTrail Posted August 17, 2014 #1 Share Posted August 17, 2014 ''As a report from the Obama administration warns that one in four bridges in the United States needs significant repair or cannot handle automobile traffic, engineers are employing wireless sensors and flying robots that could have the potential to help authorities monitor the condition of bridges in real time...'' http://www.sciencedaily.com/releases/2014/08/140815102037.htm Link to comment Share on other sites More sharing options...
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