Ever wonder how vending machines detect fake coins? If you have tried inserting counterfeit coins and end up being rejected by the machine, you need to know how this technology works. It may look simple, but the process inside is very complicated.
In this video, you will know how a usual vending machine detect fake coins in just seconds. You will also know the reason why the machines can’t easily be deceived by counterfeits. Well, vending machines were really created carefully and brilliantly.
Watch the video below:
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