Categories Science Learn {How Do Vending Machines Detect Fake Coins} In 1:57 https://www.youtube.com/watch?v=0AkcWjB0UBEVideo can’t be loaded because JavaScript is disabled: How Do Vending Machines Detect Fake Coins? (https://www.youtube.com/watch?v=0AkcWjB0UBE) Tags Detect fake coins, Fake coins, Vending machines