Crews blew up the 94-year-old Black Hawk Bridge over the Mississippi River, making way for a modern replacement. The implosion Friday brought a dramatic end to the riveted cantilever bridge between ...

This undated photo provided by the Iowa Department of Transportation on Thursday, Dec. 18, shows the Mississippi River Bridge, also known as the Black Hawk Bridge, in Lansing, Iowa.

Watch live from Lansing, Iowa, as the Black Hawk Bridge is blown up, bringing a dramatic end to the 94-year-old riveted cantilever bridge over the Mississippi River, connecting Iowa and Wisconsin. The ...

Abstract: This paper reports on a hydrophone based on a structure in which liquid was used to bridge the gap between a piezoresistive cantilever and the surrounding walls. Due to surface tension, the ...