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The Boston Globe


Yvonne Abraham

The physics of Santa’s Christmas night journey

Like many of you, I lie awake this time of year, fretting about how Santa pulls it off.

Even allowing for different time zones, how can he possibly make it around the globe in one night, shimmying down gazillions of chimneys, dropping off gifts, scarfing what must be literally tons of cookies? Shouldn’t his sleigh be unliftable? Wouldn’t he have to travel at impossible speeds? Will he make it to my place? Who can answer these questions?

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