How Do Vending Machines Detect Fake Coins?

in science •  8 years ago 

science blog video
8 years ago by

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      ·  8 years ago 

    Woah. That is a much simpler method than I had expected it to be. Not sure what Inwas expecting though haha. Sometimes the simplest solutions are the best. I have never tried to enter fake coins into such a machine but good to know they are protected against it.

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      ·  8 years ago 

    Cool video, gave it an upvote, maybe you could checkout some of my content!?

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        ·  8 years ago 

      thanks for sharing

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