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How 3D glasses trick your eyes with red and cyan
Technology

How 3D glasses trick your eyes with red and cyan

Faking dimension in the fifties meant forcing your eyes to essentially operate in two different color spaces. By printing two overlaid images, the colored…

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Why a small share of effort produces most results
Economy

Why a small share of effort produces most results

The Pareto principle suggests that a tiny fraction of your effort drives almost all of your actual results. This means the vast majority of your typical…

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Humans are infinitely more likely to laugh in a group
Psychology

Humans are infinitely more likely to laugh in a group

Laughter is rarely a spontaneous reaction to a genuinely funny joke. It is almost entirely a social signal, meaning you are practically guaranteed to laugh…

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What a folded calling-card corner meant
History

What a folded calling-card corner meant

You couldn't just knock on a door to say hello. You had to leave a printed card with a servant. If the corner of the card was folded up, it meant you…

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Standing in open fire depletes health remarkably fast
Games

Standing in open fire depletes health remarkably fast

The instinct to step out of a roaring blaze is surprisingly delayed. You only realize you are slowly cooking alive when your health bar politely starts…

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A rhino horn is closer to a fingernail than bone
Science

A rhino horn is closer to a fingernail than bone

Poachers risk their lives and face massive prison sentences just to steal what is essentially an unwashed dreadlock. Rhinoceros horns contain zero actual…

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Why muting sound can sharpen your visual focus
Games

Why muting sound can sharpen your visual focus

Sensory overload is a very real threat. Muting the background noise somehow magically enhances your ability to spot a tiny pixel moving across a dark screen,…

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When servants were used as aristocrats' foot warmers
History

When servants were used as aristocrats' foot warmers

Central heating didn't exist, so freezing aristocrats found a deeply uncomfortable solution: making lower-class servants sit on the cold floor so the elite…

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Leaving giant cheek sideburns was absolute peak style
History

Leaving giant cheek sideburns was absolute peak style

Nineteenth-century grooming meant completely clearing your chin while letting massive, unruly bushes of hair explode from the sides of your face, looking less…

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Lydwine of Schiedam shed actual bone fragments
Myths & mysteries

Lydwine of Schiedam shed actual bone fragments

After a brutal ice-skating accident left her bedridden for life, Lydwine embraced her massive suffering as a divine calling. She supposedly began shedding…

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Telecom transport chopped data into fifty three byte cells
Transport

Telecom transport chopped data into fifty three byte cells

In the nineties, telecom engineers decided everything should be sliced into tiny, incredibly specific fifty-three-byte chunks. Asynchronous Transfer Mode…

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When shoe buckles became absurd status symbols
History

When shoe buckles became absurd status symbols

What started as a simple clasp escalated into massive, gem-encrusted squares that covered almost the entire foot. They were so heavy they completely altered…

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Kinetoscopes were private peephole movie viewers
Technology

Kinetoscopes were private peephole movie viewers

Before crowded movie theaters, people enjoyed cinema by hunching over a wooden box like a gargoyle. These early viewers used a continuous loop of film passed…

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A fingerprint can make a halogen bulb explode
Technology

A fingerprint can make a halogen bulb explode

Some lights are meant to gently illuminate a room, and others are meant to casually sear your flesh. Halogen bulbs operate at such extreme temperatures that…

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Your suitcase may share plastic with riot shields
Travel

Your suitcase may share plastic with riot shields

Your carry-on bag is practically ready for modern combat. Most high-end hard shell suitcases are manufactured using polycarbonate, the exact same incredibly…

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Guaranteed mediocre results beat risky brilliance
Economy

Guaranteed mediocre results beat risky brilliance

The certainty effect highlights our strange obsession with guarantees. We will happily throw away a massive potential advantage if it carries a tiny sliver of…

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Sleepwalking has been used as a murder defense
Psychology

Sleepwalking has been used as a murder defense

Because sleepwalkers act with absolutely zero conscious intent, courts have occasionally acquitted them of brutal crimes. You can technically perform a wildly…

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Hardware network transports require permanently burned IDs
Transport

Hardware network transports require permanently burned IDs

Every single internet-capable gadget has a tattoo it cannot erase. Media Access Control addresses are unique hexadecimal codes physically burned into the…

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