How Big Is a Billion? Millions, billions, trillions and centillions is this film about the long and short scales. No wonder I was always confused as to how many zeroes a billion has. Facebook Prev Article Next Article Discover Checkout these cool gadgets... Related Posts Ten ways gene editing will transform the world Road diets: designing a safer street How The Toilet Changed History Our Brains Can Store 10x More Than We Thought! Are Olympic Gold Medals Really Made of Gold? Can Humans Really Feel Hot and Cold?