How fast must Santa travel to deliver gifts to every home on Earth?
In short: Calculating Santa's speed requires solving a complex logistical puzzle. This video explores the physics and mathematics behind his delivery schedule, using data on global population density to determine how quickly he and his reindeer must move to reach every destination in time.
To determine the necessary speed for Santa Claus, researchers apply the 'Traveling Salesman' problem, a classic mathematical challenge of finding the most efficient route between multiple points. By utilizing population density data provided by the Center for International Earth Science Information Network, the analysis models the logistics of a global delivery mission.
The calculations, supported by work from David Applegate of Google and William Cook of the University of Waterloo, highlight the immense scale of the task. The project draws on mathematical frameworks detailed in The Indisputable Existence of Santa Claus by Hannah Fry and Thomas Oléron Evans to estimate the velocity required for the reindeer to complete their journey.
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Sources
- Summary by Intellect · source: How Fast Does Santa Fly?
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