More than ever, air travel is a focus of curiosity, intrigue and anxiety. This year, some half a billion passengers will ride aboard the ten largest US airlines alone. Fair to say each one has a question, a doubt, and a lingering fear in the back of his or her mind. We take to the air routinely, yet few of us understand the how and why of jetting from New York to London in six hours. Patrick Smith, an airline...
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