How Do Vending Machines Detect Fake Coins?

Video
MACHINES: HOW THEY WORK
Thursdays 10/9c on Science
This machine can decipher coins with pinpoint accuracy. Light sensors measure the size while electromagnets detect the metal type of the coin.

More Machines!
http://www.sciencechannel.com/tv-shows/machines-how-they-work/

Full episodes streaming FREE on Science GO:
https://www.sciencechannelgo.com/machines-how-they-work/

Subscribe to Science Channel:
http://bit.ly/SubscribeScience

Products You May Like

Articles You May Like

U.S., China set for spring Civil Space Dialogue on exploration, science
Hairy situation: Scientists explain how stress-related graying occurs
New virus surging in Asia rattles scientists
Facial Recognition Could Help Discover Fate of Holocaust Victims
Asteroid Twice the Size of Big Ben to Skim Past Earth Today

Leave a Reply

Your email address will not be published. Required fields are marked *