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Dollarization is giving up and using another nations cash
Economy

Dollarization is giving up and using another nations cash

When a country switches to a foreign currency, it gives up a tool of its own: it can no longer make independent currency decisions to steer the domestic…

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When Victorian aristocrats used laughing gas for fun
Science

When Victorian aristocrats used laughing gas for fun

Nitrous oxide briefly changes signaling in the brain, which can bring on laughter, euphoria, and a feeling of detachment. Victorian aristocrats inhaled it at…

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Mutex locks force multi-threaded code into single lanes
Technology

Mutex locks force multi-threaded code into single lanes

A mutex lets only one thread at a time access a protected variable, preventing conflicting updates. Other threads must wait, so that section of code runs…

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Why video game health packs stopped using the red cross
Games

Why video game health packs stopped using the red cross

The International Committee of the Red Cross has asked game studios not to use its emblem, which is protected under international humanitarian law. Many…

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Garbage collection pauses all execution to clean variables
Technology

Garbage collection pauses all execution to clean variables

Some garbage collectors briefly pause an application while reclaiming memory, then clear away objects the program no longer uses.

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Why book titles aren't protected by copyright
Culture & entertainment

Why book titles aren't protected by copyright

U.S. copyright generally doesn't protect titles or other short phrases, so two different books can legally have the same title.

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This acid can injure you before the pain starts
Science

This acid can injure you before the pain starts

Dilute hydrofluoric acid can penetrate skin before severe pain becomes obvious. Fluoride then binds calcium and magnesium, so the danger can extend beyond the…

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Why tsunamis can hide in deep water
Transport

Why tsunamis can hide in deep water

In deep water, a tsunami’s energy spreads through a wave stretching across a huge distance, so its height stays low and ships pass over it. Near shore, the…

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Graphene consists of a single layer of carbon atoms
Science

Graphene consists of a single layer of carbon atoms

Graphene is a single layer of carbon atoms linked in a honeycomb pattern, like chicken wire made of atoms. That sturdy-looking network is only one atom thick,…

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Catching a yawn is something children grow into
Science

Catching a yawn is something children grow into

Contagious yawning often starts around age four, but there’s no birthday when a child suddenly catches it. Researchers are still figuring out whether it…

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Idle games are explicitly meant to play themselves
Games

Idle games are explicitly meant to play themselves

After a few clicks, the game keeps generating progress in the background while you sleep, making you more of a manager than an active player.

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The $30 you saved exists only in your comparison
Economy

The $30 you saved exists only in your comparison

If you would willingly pay $50 for a shirt but its price is $20, economists call the $30 gap consumer surplus. It measures the value you got beyond what you…

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Zalgo text exploits Unicode combining character limits
Technology

Zalgo text exploits Unicode combining character limits

Stacking dozens of Unicode combining marks on one letter can make it spill far above and below its line, even though the text remains valid.

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Climax Michigan offers absolutely zero excitement
Travel

Climax Michigan offers absolutely zero excitement

Despite its name, Climax is simply a place in Michigan, not a promise of a spectacular finale.

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Why success can make your costs rise
Economy

Why success can make your costs rise

A business can make more without changing its rent, but it cannot make more goods without using more inputs. Each additional unit needs materials, and the…

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True crime authors heavily depend on unresolved tragedies
Culture & entertainment

True crime authors heavily depend on unresolved tragedies

Ongoing cases can keep readers wondering what happened, so authors look through police records for unresolved mysteries that can sustain a book-length…

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Economies must sacrifice one major goal to achieve two
Economy

Economies must sacrifice one major goal to achieve two

A country that wants its currency fixed to another cannot also let money cross borders freely and set its own interest rates. It can pick only two: keeping…

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DayZ can make an apple more important than a gun
Games

DayZ can make an apple more important than a gun

Long journeys between settlements force you to manage food, water, and supplies before the next encounter. A weapon won't fix hunger or contaminated water.…

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