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Video: Video: This video of how vending machines detect fake coins is epic as fuck.

This machine can decipher coins with pinpoint accuracy. Light sensors measure the size while electromagnets detect the metal type of the coin. MACHINES: HOW THEY WORK Thursdays 10/9c on Science http://www.sciencechannel.com/tv-shows/machines-how-they-work/ Subscribe to Science Channel: http://bit.ly/SubscribeScience Check out SCI2 for infinitely awesome science videos. Every day. http://bit.ly/SCI2YT Download the TestTube app: http://testu.be/1ndmmMq
Science ChannelScience & Technologymachines how they workmechanical engineeringinside machinesvending machinesmaking changecoin metallight sensorsinfrared beamsstuck snacksvending technologyscience channel

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This video of how vending machines detect fake coins is epic as fuck.