10 Unbelievable Examples Of Things Being Worn Down Over Time


The Life Cycle of the American Penny

Credit: reddit.com

You can see the whole life cycle of a penny in this photograph. Old pennies are stained, discolored, and worn while the newest pennies are bright and shiny. It doesn’t help that after 1982 pennies were made out of copper coated zinc which degrades more easily than the 95% pure copper used before that.