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USB-C connectors are tested for thousands of plug-ins
Technology

USB-C connectors are tested for thousands of plug-ins

The specification calls for a minimum durability rating of 10,000 mating cycles. That turns an everyday gesture into a repeatable mechanical test. It is a…

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Silicon constitutes over a quarter of Earths crust
Science

Silicon constitutes over a quarter of Earths crust

Silicon is abundant in Earth’s crust, but it is usually locked into minerals rather than sitting around as chip-ready material. It commonly bonds with oxygen…

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Rolling stock means anything on rail tracks
Transport

Rolling stock means anything on rail tracks

“Rolling stock” means the vehicles that move on the railway: locomotives, passenger cars, and freight cars. Tracks, bridges, and signals belong to the…

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Kawasaki parades sacred phalluses each spring
Travel

Kawasaki parades sacred phalluses each spring

Kanamara Matsuri at Kanayama Shrine features portable shrines shaped as phalluses, including a conspicuous pink one. The tradition is linked with fertility…

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How game audio gives you time to dodge
Technology

How game audio gives you time to dodge

A metallic ring or grunt can warn you that an attack is coming, giving you a cue to dodge before it lands.

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Monitor arms free up desk space by clamping to the edge
Technology

Monitor arms free up desk space by clamping to the edge

A monitor arm clamps to the desk instead of relying on a bulky stand, freeing surface space and letting you adjust the screen's height.

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Holy fools pretended to be insane to avoid compliments
Myths & mysteries

Holy fools pretended to be insane to avoid compliments

Some devout people acted wildly in public—shouting, throwing things, even behaving like animals—to discourage others from praising their holiness. The tactic…

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A tank turret has to rotate a shield, a gun and a workplace
Transport

A tank turret has to rotate a shield, a gun and a workplace

Armor protects the crew while the gun, mounting and other equipment move with the turret. In a heavy tank, this is a massive rotating assembly rather than a…

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Carl Jung justified his use of astrology in psychoanalysis by inventing a fancy term called synchronicity
Myths & mysteries

Carl Jung justified his use of astrology in psychoanalysis by inventing a fancy term called synchronicity

He called meaningful coincidences between astrological events and psychological states “synchronicity,” arguing that one didn’t have to cause the other.

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The bread you bake straight in campfire ashes
Travel

The bread you bake straight in campfire ashes

This simple soda bread needs no yeast or oven: it cooks directly in the dying embers of a campfire.

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A surname can preserve a job your family stopped doing centuries ago
History

A surname can preserve a job your family stopped doing centuries ago

Names such as Baker began as ways to distinguish particular people, then became hereditary. A descendant could keep the name without baking anything. Once a…

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Vietnamese motorbikes flawlessly transport entire families
Travel

Vietnamese motorbikes flawlessly transport entire families

A single scooter can carry a driver, a spouse, three children, and a large piece of furniture through traffic, all balanced on two wheels.

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Public holy water fonts contain high levels of bacteria
Myths & mysteries

Public holy water fonts contain high levels of bacteria

Tests of communal church water basins have found fecal bacteria such as E. coli, which can make shared water a route for disease transmission.

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Binocular vision is always depicted as two conjoined circles
Culture & entertainment

Binocular vision is always depicted as two conjoined circles

TV often shows a figure-eight view so audiences recognize binoculars, even though looking through them usually gives a single circular field.

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Creating minor magical servants to do chores
Myths & mysteries

Creating minor magical servants to do chores

In some magical practices, practitioners imagine temporary invisible entities to handle specific, mundane tasks. They may do the mental busywork, but not the…

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The UNO rule that forbids stacking Draw Twos
Games

The UNO rule that forbids stacking Draw Twos

The official rules say you must draw the cards and lose your turn; you can’t stack another Draw Two to pass the penalty along.

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How an umbrella became a bat swarm
Culture & entertainment

How an umbrella became a bat swarm

Opening and shutting a rain umbrella can recreate the leathery rustle of a swarm of bats in flight—without having to record real bats.

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A skunk's warning display can include a handstand
Science

A skunk's warning display can include a handstand

Some skunks raise their hindquarters while balancing on their front legs, displaying the weapon end before using it. Their scent glands release defensive…

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