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Ticket punches utilized highly unique hole shapes
Transport

Ticket punches utilized highly unique hole shapes

Different punch shapes made tickets easy to distinguish after validation. Conductors could check the little cutout at a glance, while anyone trying to reuse a…

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Gore-Tex began as stretched-out Teflon
Technology

Gore-Tex began as stretched-out Teflon

Stretching heated PTFE creates microscopic pores that keep raindrops out while letting sweat vapor escape.

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Glowing atmospheric flashes occur during seismic shifts
Myths & mysteries

Glowing atmospheric flashes occur during seismic shifts

In astrology-based office stereotypes, someone born in early March might be labeled overly sensitive and bad at taking feedback before coworkers know them.

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Scissors given as gifts were thought to sever friendships
Myths & mysteries

Scissors given as gifts were thought to sever friendships

The superstition held that scissors could cut the bond between giver and recipient, turning a practical gift into an omen of a broken friendship.

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One piece of Kentucky has no road to the rest of Kentucky
History

One piece of Kentucky has no road to the rest of Kentucky

Kentucky Bend sits inside a loop of the Mississippi, with Tennessee on its southern land boundary and Missouri across the water. The state boundary and the…

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An 1888 cookbook already offered edible ice-cream cornets
History

An 1888 cookbook already offered edible ice-cream cornets

Victorian cookery writer Agnes Marshall published a recipe for “cornets with cream,” using an edible cone-shaped casing. She also wrote extensively about…

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Target drones let gunners practice without a pilot in the line of fire
Technology

Target drones let gunners practice without a pilot in the line of fire

Radio-controlled aircraft such as the 1930s Queen Bee provided moving aerial targets. Operators could guide the plane while remaining on the ground,…

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Missouri elected a senator who had already died
History

Missouri elected a senator who had already died

Carnahan died in a plane crash three weeks before Election Day, but his name stayed on the ballot and voters elected him anyway. Missouri then filled the…

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Silver utensils had an unexpected antimicrobial effect
Health

Silver utensils had an unexpected antimicrobial effect

A silver utensil could affect microbes without its owner knowing why. Silver can interfere with pathogen replication at a molecular level, an unexpected…

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Noon once pointed to a time around three in the afternoon
History

Noon once pointed to a time around three in the afternoon

Its ancestor was the Latin expression for the ninth daylight hour, counted from roughly sunrise. The word passed through religious timekeeping and gradually…

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Remaining completely silent on bridges supposedly secured luck
Myths & mysteries

Remaining completely silent on bridges supposedly secured luck

The belief held that speaking while crossing a bridge over rushing water would surrender your good luck to the river.

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Why you apologize to furniture after bumping into it
Psychology

Why you apologize to furniture after bumping into it

You bump a table and hear yourself say, “Sorry.” The apology is an automatic social repair move: your mind has detected a small collision and reached for the…

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Devil May Cry strictly relies on fiercely aggressive juggles
Games

Devil May Cry strictly relies on fiercely aggressive juggles

Stylish combat revolves around launching enemies into the air and keeping them suspended with repeated attacks.

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Mortal Kombat grew from an unrealized Van Damme idea
Games

Mortal Kombat grew from an unrealized Van Damme idea

The developers explored a fighting game built around the action star, but that project did not come together. They instead developed their own fighters,…

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Lenticular clouds frequently resemble hovering objects
Myths & mysteries

Lenticular clouds frequently resemble hovering objects

High winds interacting with steep mountains can create stationary, disc-shaped clouds that resemble hovering saucers.

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Blue painted ceilings deterred hovering atmospheric anomalies
Myths & mysteries

Blue painted ceilings deterred hovering atmospheric anomalies

A sky-blue porch ceiling was believed to make hovering forces mistake it for daylight and stay away.

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Pay-per-chapter reading apps obscure massive total costs
Culture & entertainment

Pay-per-chapter reading apps obscure massive total costs

A romance novel split into 200 paid chapters can add up to $50, even when the paperback costs $10. Small in-app charges can make the total easy to overlook.

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Halo's bouncy jeep helped pull its camera closer
Games

Halo's bouncy jeep helped pull its camera closer

Bungie co-founder Alex Seropian recalled suspension tests that looked impressive close up but lost their impact from an overhead view. The vehicle that became…

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