What’s the best way to plug a giant hole? Why with a giant plug, of course. That’s the thinking of the Department of Homeland Security’s (DHS) Science and Technology Directorate (S&T), which has ...
With a few dull thuds, the 1-ton bag of high-strength fabric tumbled from the wall of the mock subway tunnel and onto the floor. Then it began to grow. As air flowed into it through a hose, the bundle ...
Two tunnel-airbag prototypes sit at a West Virginia University laboratory. The levee plug is still being tested by the Army Corps of Engineers in Mississippi. A Homeland Security spokeswoman said it ...
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