As you might guess from the title, today's article will be slightly less serious than normal, and a lot more lighthearted. Those of you who prefer serious science may want to skip this one...

Now for those who are still reading this, the topic today is the physics of Santa Claus. I will not weigh in on the reality or lack there of of the magical elf, but rather I will be addressing how modern physics makes some of the more questionable aspect of the story of Santa Claus a little more plausible...
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