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📝 shares: "The physics of Santa's sleigh" https://web.archive.org/web/20101227093608/http://www.latimes.com/news/nationworld/nation/la-na-s...

shares: “The physics of Santa’s sleigh” https://web.archive.org/web/20101227093608/http://www.latimes.com/news/nationworld/nation/la-na-santa-science-20101224,0,5360258.story

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