How Do Vending Machines Detect Fake Coins?

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MACHINES: HOW THEY WORKThursdays 10/9c on ScienceThis 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/SubscribeScienceCheck out SCI2 for infinitely awesome science videos. Every day.http://bit.ly/SCI2YT

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@sunnymony91 04-03-2025 12:27

Everyone talking bout the vending machine exploding,but dawg how tf a blind person gonna see what they want the keypad has braile on it.

@Trainlover-p6u 01-03-2025 02:28

Sometimes if the vending machine has a moving cart that carries the snack , it sometimes falls out of the cart that brings it to the person , making it popular among sleazy operators

@sandundertable69 31-01-2025 03:44

Why did this became a huge meme

@ElementEvilTeam 04-01-2025 21:01

all the vending machines in my country stopped using coins few years ago

@TruthPool 03-01-2025 15:09

So the coils remain active until a dropping snack triggers the bottom sensor? Why then do people hit and tip vending machines when the snack doesn't drop and the coils have stopped? lol

@ryanm7832 12-12-2024 05:02

I love the transition. xD As soon as he said "push the button to get your snack," I thought, "yeah, sometimes..." Lol. And then he immediately went into the bit about snacks getting stuck.

@XandarYT 21-11-2024 22:42

In my previous school you had to push and kick the machine from the side if something got stuck

@krash184 02-11-2024 04:42

My favorite chips are Chips Demons.

@YASH-zr2sm 21-10-2024 21:16

I have come at that point of life where i would watch what goes on inside a vending Machine

@Calvados656 01-10-2024 20:43

Back when I was in highschool one of our snack vending machines was kinda terrible and some snacks would get stuck (cheezits were one if the biggest culprits).

Fortunately my arm was both long enough and thin enough that I could reach up and pull the snack loose. My friends quickly learned that if it happened to them to come look for me to get it out for them.

@Dclxvi6x3 13-09-2024 08:12

When I was a kid, I would smash nickels with a hammer till it was the size of a quarter and take them to the arcade. Believe it or not, it worked every time 🤫

@nightwingb0128 23-08-2024 09:00

So what your telling me is that the vendor at the market turned of the sensor that tells the machine the food made it to the bottom.

@kemowasabi551 18-08-2024 02:48

An absolute engineering marvel.

All for some cheetos.

@Uzsjjbs. 26-05-2024 20:39

If you've desperate, break the glass.

@gigahertzmedia 18-05-2024 19:16

This is the best animation I've ever seen

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