Tuesday, May 28, 2013

How Engineers Are Building a New Railroad Under New York City


Workers inspect the “shock tubes” that set off blasting caps, which detonate the charges. More than 2,400 blasts have been conducted on the project.


For the rest of the story: http://www.wired.com/autopia/2013/05/fa_tunnel/?utm_source=feedburner&utm_medium=feed&utm_campaign=Feed%3A+wired%2Findex+%28Wired%3A+Top+Stories%29&pid=2708&viewall=true

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