The US Department of Homeland Security (DHS) has developed a ten-by-five-metre inflatable structure that could be quickly deployed to isolate sections of transit or rail tunnels in the event of ...

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 ...

The full-scale in situ system test at the Onkalo underground characterisation facility near Olkiluoto has proceeded to the concreting phase in the construction of the end plug for the deposition ...