They jingle in our pockets and crinkle in our wallets, but coins and bills are being replaced by a new kind of money. It's stored on computers and plastic cards, but will it be better than the money we can see and feel?
Ask a family member if you can look at a five or ten dollar note. Together, look for the fine patterns, the watermark, the security thread, and the serial number. What other security devices could you add to a bank note?