“Based on his advanced knowledge of the theory of relativity, Santa recognizes that time can be stretched like a rubber band, that space can be squeezed like an orange and that light can be bent… Children shouldn’t put too much credence in the opinions of those who say it’s not possible to deliver presents all over the world in one night. It is possible, and it’s based on plausible science.”

– Dr. Larry Silverberg as reported in “Science of Santa Claus: Jolly Old Elf Really Can Deliver Presents in One Night, Says NC State Engineer,” news.ncsu.edu, December 6, 2006.