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How a vending machine spots a fake coin
A vending machine can spot a fake coin in half a second — with no camera, no computer, and no electricity.
Every coin you drop in runs through three mechanical gates: a size check, a weight check, and a magnet test. Fail one, it comes back out. Pass all three, and you get your drink. The magnet part is the strangest bit.
#Shorts #HowItWorks #EverydayScience #Explained #Engineering
Видео How a vending machine spots a fake coin канала MS Paintsplained
Every coin you drop in runs through three mechanical gates: a size check, a weight check, and a magnet test. Fail one, it comes back out. Pass all three, and you get your drink. The magnet part is the strangest bit.
#Shorts #HowItWorks #EverydayScience #Explained #Engineering
Видео How a vending machine spots a fake coin канала MS Paintsplained
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24 мая 2026 г. 21:23:04
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