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Concentrated sunlight perfectly melts solid structures
Science

Concentrated sunlight perfectly melts solid structures

A mirror can collect sunlight from a broad area and aim it at one small target. That concentrates the incoming energy in one spot, raising its temperature…

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Why museum audio guides sound so slow
Culture & entertainment

Why museum audio guides sound so slow

Museum audio guides are often recorded at about 100 words per minute, much slower than ordinary conversation. The deliberate pace gives visitors time to take…

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Starving guests order entirely too much food
Psychology

Starving guests order entirely too much food

A hungry guest doesn’t just want dinner; they’re trying to solve the feeling of hunger before it gets worse. That can make extra dishes seem like prudent…

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Why pumpernickel has such a rude name
History

Why pumpernickel has such a rude name

The name is traditionally glossed as “the devil’s fart,” a joke blaming dense rye bread for the digestive trouble it was thought to cause.

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Two men's names once outnumbered women among CEOs
Economy

Two men's names once outnumbered women among CEOs

A count of S&P 1500 leaders found more chief executives named John or David combined than women chief executives. The striking comparison was not about names…

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Google mapped a desert with a camel
Technology

Google mapped a desert with a camel

For Street View in the Liwa Oasis, Google mounted its Trekker camera on Raffia, a 10-year-old camel.

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Games

Why trying not to laugh makes everything funnier

Players stare at one another with straight faces while others try to provoke them; once laughter is forbidden, even a tiny twitch can seem hilarious.

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Practitioners inevitably spill tea on their diagrams
Myths & mysteries

Practitioners inevitably spill tea on their diagrams

A lukewarm chamomile spill can turn carefully drawn symbols into an unreadable puddle.

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Venus Return demands a totally new wardrobe update
Myths & mysteries

Venus Return demands a totally new wardrobe update

In astrology, a Venus Return is said to stir vanity, making old clothes feel wrong and a wardrobe refresh irresistible.

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In Ico, you have to hold hands to survive
Culture & entertainment

In Ico, you have to hold hands to survive

In Ico, you lead your companion by holding a button to take her hand; let go, and she can fall behind. Keeping her close becomes part of the journey.

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Why bands sue over similar-sounding chords
Games

Why bands sue over similar-sounding chords

A freelance composer’s battle track allegedly echoed a famous rock hit so closely that the studio faced an expensive legal fight and settlement.

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Health economists put time and quality of life on one scale
Economy

Health economists put time and quality of life on one scale

A quality-adjusted life year, or QALY, combines how long a treatment helps someone live with the health-related quality of that time. One year in full health…

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Why bingo balls bounce so chaotically
Games

Why bingo balls bounce so chaotically

Forced air creates localized turbulence that tosses bingo balls around unpredictably inside the chamber.

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Rubik's cube white faces rest opposite yellow faces
Games

Rubik's cube white faces rest opposite yellow faces

On a standard Rubik's Cube, the white face is opposite the yellow one, regardless of how the cube is scrambled.

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The stilts that turn builders into temporary giants
Transport

The stilts that turn builders into temporary giants

Builder’s stilts raise the wearer so drywall and ceilings sit within reach, while straps keep the feet attached to the platforms. The trade is simple: longer…

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America's doomsday plane is a flying command center
Transport

America's doomsday plane is a flying command center

The E-4B is built to keep national leaders communicating if ground command centers are destroyed. Its protection includes shielding against electromagnetic…

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How notaries built a career around one stamp
History

How notaries built a career around one stamp

A notary’s fee pays for an official check that the signer is who they claim to be. The stamp makes that verification usable on documents beyond the notary’s…

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Katamari makes you clean up your father's cosmic mess
Games

Katamari makes you clean up your father's cosmic mess

In Katamari Damacy, the King of All Cosmos destroys the stars, leaving his tiny son to replace them. You roll objects into an ever-growing ball until the…

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