Look, in the sky - it's a bird, it's a plane, no it's... it's actually Santa's sleigh, sleighing its way around the world. But how did it get there? Many people have been busy hand-making mince pies ...
The U.S. Air Force showed off a rendering of a hypersonic Santa sleigh. A hypersonic sleigh would be capable of moving at up to 13,000 miles an hour. Mathematics, however, calculates Santa’s real ...
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