NYC's First Inflatable Tunnel Plug Will Stop Floods, Smoke, and Gas

After Hurricane Sandy decimated the subway system last year, officials pledged to install new devices to help halt the rising tides—including flood gates and, more intriguingly, a device called a "tunnel plug."

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Source: http://feeds.gawker.com/~r/gizmodo/full/~3/nOjj3kj8gBU/nycs-first-inflatable-tunnel-plug-will-stop-floods-sm-1458290295

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