Why did Santa get through the chimney without being detected?

British researchers used Albert Einstein's Theory of Relativity to explain scientifically why Santa brought gifts through chimneys on Christmas Eve without being detected.

The research group at the University of Exeter, England, points out that the theory of relativity of physicist Albert Einstein could easily explain how Santa used to give gifts to more than 700 million children in one night without being seen or hear, according to the results presented at the Christmas Science Festival.

"Visiting about 700 million children worldwide in one night means that Santa will have to move at 10 million kilometers an hour if he does not want to miss any babies," Nature World News said today. December 15 quoted Dr. Katy Sheen, a University of Exeter physicist.

"How can Santa achieve such extraordinary speed? Certainly, he will need a lot of fuel!" . According to Dr. Sheen's calculations, the reindeer should carry Santa flying at about 10 million km / h in 31 hours to be able to visit all children in all time zones.

According to legend, Santa often walks through chimneys to bring gifts to children on Christmas Eve.(Artwork: Zavtoski).

Although Santa is often known for his white beard and large stature, with such a high speed of movement, the size of the snowman is reduced to relativism and can fit into any chimney.

Relativism can also explain why children expect Santa at night to rarely detect the moment Santa enters the chimney. The fact that Santa is undetected is due to the Doppler effect , a frequency-altered light effect when reflected from a moving object . At 200,000 times faster than the world's fastest man, Usain Bolt, the Doppler effect will change Santa's color, transforming him from red to green and finally the images of Santa completely disappeared.

Dr. Sheen explains that the high speed of a sleigh can dissipate the light waves, making Santa invisible. On the other hand, the sounds created by Santa are too high for the audible audio frequency threshold of humans, making every sound created completely quiet.

The only chance we can spot Santa is when the accelerated reindeer car breaks the speed of sound, creating an explosive sound.

The explanations for Santa's mysterious appearance are given to bring a scientific perspective to children. Dr. Sheen has no plans to publish these results and thinks his calculations are only done with the desire to make physics more interesting for children.