Inside FedEx’s Christmas Miracle: Popular Mechanics

For Santa to really deliver presents to half a billion children in a single night, he’d have to be immune to the ordinary rules of general relativity. Nimbler than a sugarplum fairy. More ubiquitous than snow. He could to it in a month, maybe, if he had his fat, merry fingers in more than 650 international airports, with his own air traffic control towers, trucks, scanners, and fleet of megajets. If he had engineers designing crazy things like wheeled floors and sorting matrices and automatic fire extinguishers for 777s. If he had nearly half a million people working for him—all of them operating in ant-like coordination during the nether hours of global time, sorting presents as the sun rose and disseminating them under the stars—then he could probably do it.

And here’s the thing: He does…