Have you ever wonder what would physically happen to Santa Claus and his reindeer if they really delivered presents around the world as the story goes?

According to Science Insider, it wouldn't be good:

He’d need to fly over a thousand times faster than the world’s faster jet fighter to visit about 240 million homes. Those speeds would vaporize the reindeer. Meanwhile, a force tens of thousands of times stronger than gravity would pin Santa to the sleigh and smash him to jelly.