Is Santa Claus real? This video will help us find out…
0:51 Why do Christmas lights always tangle?
1:34 How do we know that Rudolph is actually Rosie?
2:20 How do reindeer fly?
3:16 How much time does Santa have to deliver presents?
3:39 How much time does he have at each house?
4:33 How many pounds of cargo does Santa have?
5:01 What is the observation of quantum mechanics he discusses?