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Tennessee's building packed with tiny salt shakers
Travel

Tennessee's building packed with tiny salt shakers

The attraction began when an enthusiast found herself with too many condiment dispensers and turned her collection of tiny ceramic salt shakers into a…

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Technology

When drones mistake harmless objects for threats

Poor lighting and obscured views can confuse object-recognition software, leading drones to flag harmless infrastructure—or even a tractor—as a threat. Human…

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Restaurant takeout containers inevitably leak everywhere
Travel

Restaurant takeout containers inevitably leak everywhere

Flimsy foam and paper containers can buckle under pressure, letting grease and sauce soak into your bag until it becomes the real takeout container.

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Invisible earth lines carrying pure energy
Myths & mysteries

Invisible earth lines carrying pure energy

Ley lines are hypothetical geometric alignments said to carry mystical energy, but that energy cannot be seen or measured.

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Valet attendants sprint frantically to fetch parked sedans
Transport

Valet attendants sprint frantically to fetch parked sedans

The sedan is parked out of sight; the valet has to fetch it before the customer’s patience runs out. That sprint is the final leg of the parking system,…

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Why a million-mile car can reset its odometer
Transport

Why a million-mile car can reset its odometer

A six-digit mechanical odometer rolls from 999,999 back to 000,000 when its final wheel turns over. The car hasn’t become new; the counter has simply run out…

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Unicode has a dedicated symbol block
Myths & mysteries

Unicode has a dedicated symbol block

Unicode includes a dedicated block for these symbols, giving each one a standardized code point for use in digital text.

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Radioactive isotopes decay at incredibly precise intervals
Science

Radioactive isotopes decay at incredibly precise intervals

Imagine a crowd of radioactive atoms, each with no scheduled appointment to decay. You can’t predict which one goes next, but over a large group the odds…

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How bulletproof glass stops a speeding bullet
Technology

How bulletproof glass stops a speeding bullet

The outer glass cracks and deforms the bullet, absorbing some of its energy; a flexible polycarbonate layer behind it catches the projectile.

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Some early radiator caps doubled as engine-temperature instruments
Transport

Some early radiator caps doubled as engine-temperature instruments

A motometer mounted above the radiator displayed the temperature of coolant vapor, warning the driver about overheating. These devices were useful before…

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Villain monologues only happen to pad the runtime
Culture & entertainment

Villain monologues only happen to pad the runtime

The pause gives the hero time to escape, even though the villain could have acted instead of explaining the plan.

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Why some relationships begin with a stolen partner
Psychology

Why some relationships begin with a stolen partner

An unavailable person comes with a ready-made signal: somebody has invested in them. That can make them seem appealing, while the chase itself adds the thrill…

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Marco Polo turns swimming into a listening game
Games

Marco Polo turns swimming into a listening game

The player with closed eyes calls 'Marco,' and everyone else answers 'Polo.' Those replies reveal directions and distances without a clear view. Unlike true…

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Why game-show losers got bizarre consolation prizes
Culture & entertainment

Why game-show losers got bizarre consolation prizes

Sponsors gave losing contestants odd prizes, such as a year’s supply of floor wax, giving networks extra time to promote their products.

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Andrew Johnson's inauguration speech was clouded by whiskey
History

Andrew Johnson's inauguration speech was clouded by whiskey

At his 1865 vice-presidential inauguration, Johnson delivered a rambling speech after drinking whiskey while unwell. The occasion was supposed to project…

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A glow stick counts as a liquid at airport security
Transport

A glow stick counts as a liquid at airport security

TSA applies its carry-on liquid limits to glow sticks because of what is sealed inside them. The plastic wand may look more like a toy than a bottle, but its…

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Gemini natives instigate loud drama to avoid pure silence
Myths & mysteries

Gemini natives instigate loud drama to avoid pure silence

Astrology stereotypes Geminis as stirring up debate just to break a quiet moment and watch the conversation flare.

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The emperor who slapped European royals
History

The emperor who slapped European royals

Wilhelm II was known for slapping his royal cousins on the backside. On one yacht trip, he reportedly slapped Bulgaria’s monarch so hard that the king packed…

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