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 General Relativity: Cosmic Tunnels / Worm Holes How Do They Mine Diamonds? Common science myths debunked Why Squinting Helps You See Better Can We Really Have Stealth Helicopters When They’re So Loud? What Did Prehistoric Humans Actually Eat?