The Science of Santa

Ginger Zee breaks down the numbers and looks at the real science of Santa.
2:56 | 12/25/11

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Transcript for The Science of Santa
Now that it's Christmas morning sent his job is done he's been around the world delivering presents to millions of boys and girls. It is our gargantuan task in every year we wonder how could he possibly get it all done so we put our. Ace meteorologist ginger -- on the case she's been tracking him throughout the night and you lost them somewhere over Kansas is that right gender. Heads right at last and so difficult to track that stands -- been a long night and I set out to find out everything I possibly could the bad guy. He just can't track him. So how does he do it. The ultimate man of mystery prompting questions about everything from his reindeer -- -- But never mind the man's facial hair we wanted to find out how does what he got. How does -- navigate the globe in the blink of -- nine. -- most of us can't seem to make it through airport security in under five hours to find out. We headed to Columbia University where physics professor Bob -- Winnie teaches. If it's possible from the gentleman in the red velvet suits -- playgrounds and delivered this much -- -- at all hours. Consider this there are roughly two billion children in the world even if Santo only delivers to the kids who identify themselves as Christian. Best of 700 million hits -- their three kids per household -- more than 200 million stop. He would have to refuel that's an awfully long ways to go -- had some. Some power source that's not known to -- Then there's animals -- issue it's Santa travels from east to west -- the son of maximizing available nighttime up 32 hours to get to all the children of the world. That means he need to -- just under 18100 miles per second. We don't have any vehicles approached his cousins and even. States. And look -- -- he hits he. You certainly would not want to get hit as. Even if -- optimizes theme there's still a matter of wait how going to get all the president's off the ground. Saints can't get such -- former. About a pound and a half per child that equals 461300. Metric tons and that's -- -- are experts opinion. -- might want to. Fashioned toys and various places around the globe -- -- bring them all but one. That leaves the -- -- waiting for Santa at each home assuming -- cookies and a glass of milk add up to 320 calories per household. We're talking about consumption of seventeen. Trillion calories in just one night I guess that explains why you might -- wrote ten man. -- -- -- So calories in the -- are gonna have to did -- its next year for Santa. -- -- guys and -- in the spirit -- -- snowball fighting and also some snowman making.

This transcript has been automatically generated and may not be 100% accurate.

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