Concrete Safely Stops Overrunning Jet Liner

There's a simple reason why a Boeing 737 wasn't destroyed this week at Jiuzhai Huanglong Airport, China, and instead destroyed the concrete runway with its landing gear: it's neither a runway nor concrete. At least, not in the traditional sense.

It's something called EMAS, Engineered Materials Arresting System, a paving system made of foamed concrete, and it may save your life one day.

The Boeing 737 was used to test the effectiveness of the material.

(More on the concrete jet cushion . . . )

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