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How Do Vending Machines Understand Fake And Real Coins?

Video: One of my life dreams as a child was to be able to fool a vending machine with coin-like objects. I mean, how smart could a vending machine be, right? Wrong. More like how dumb a kid I was. Vending machines use light sensors to measure the size of a coin and electromagnets to detect the metal type to determine what kind of coin it is. If you’re not shaped like a dollar and built like a dollar, you ain’t a dollar in their book.

Farmer Discovers Priceless Trove Of Ancient Roman Coins While Removing A Molehill

A cache of over 4000 silver and bronze coins dating back to ancient Rome has been discovered by a Swiss farmer. Buried some 1700 years ago, it’s one of the largest treasures of its kind ever found in Switzerland.

The Difference In Quality And Levels Of Coins

Video: The British Royal Mint makes three types of commemorative coins: bullion, brilliant uncirculated and proof. Bullion is basically made to the same standard of regular coins in circulation, brilliant uncirculated coins (a real mouthful) are finished with more attention to detail than bullion coins and proof coins are of the absolute highest quality and care.

Neat Animation Shows What European Coins Looked Like Before The Euro

The German mark. Lithuanian litas. Estonian kroon. Irish pound. Slovenian tolar. Portuguese escudo. Greek drachma. Slovak koruna. Maltese lira. Finnish markka. Dutch guilder. Spanish peseta. Luxembourgish franc. Belgian franc. Italian lira. Cypriot pound. Austrian schilling. French franc. Latvian lats. All got replaced by the euro.

A History Of Internet Spying, Part 2

How long have intelligence agencies been keeping tabs on the internet? And what role did these agencies play in creating the internet we use today? For the most part, these kinds of questions have been relegated to comments sections on random blogs and the occasional tweet from researchers. So we’re hoping to remedy that in whatever small way we can, starting with a look at the 1960s and 70s.

Get Your Star Trek Silver Dollars From The Perth Mint

I’m not aware of any anniversaries or other events that would warrant the release of a Star Trek-themed coin from Perth Mint, yet, from tomorrow the company will be offering 99 per cent pure silver currency with either the original Enterprise or James Kirk himself slapped on the front.

Why You Should Always Catch The Coin To Make A Toss Fair

When you throw a coin in the air to make a decision, you’d expect the outcome of the toss to be 50-50 whether you catch it or let it land on the ground. But, according to randomness expert Persi Diaconis, that’s simply not true.

Watch A Coin Transformed Into A Tiny, Intricate Sculpture

Imagine an alternate world where are coins are graced not by unsmiling presidents but Frankenstein, ET, skulls, pirates — hell, even a butt. That’s the funny, fanciful world of Italian artist Paolo Curcio.

Holy Wow, You Can Actually Swim Like Scrooge McDuck In This Bank Vault

People of Earth, dreamers of the universe and possible alien organisms of the beyond: you can swim like Scrooge McDuck in a Swiss bank vault in real life. Like, literally swim in money. This is incredible. A bank safe swimming pool filled with 8 million Swiss coins is being auctioned off to the highest bidder who wants to fulfil every person’s childhood (and adult) dream of swimming in money.

The Only Thing These Superman Coins Will Rescue Is Canada's Economy

As if Canadian currency wasn’t already colourful enough, to help commemorate the 75th anniversary of Superman — which was co-created by Canuck Joe Shuster — the Royal Canadian Mint has created a series of seven coins honouring the fictional hero.

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