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Smoke is full of tiny solid particles
Science

Smoke is full of tiny solid particles

The visible plume is not mostly the gases themselves. Tiny solid particles and droplets hanging in the air scatter light into your eyes, making the smoke show…

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Catching the most violent energy bursts in the universe
Technology

Catching the most violent energy bursts in the universe

Dense crystals or semiconductors detect high-energy gamma-ray photons and convert their signals into data, letting scientists study events such as exploding…

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GPS tracking instantly annihilates phone batteries
Travel

GPS tracking instantly annihilates phone batteries

Following the blue dot keeps GPS tracking and mapping active, which can drain your battery—often when you need it most.

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Roald Dahl was a spy before writing children’s books
Culture & entertainment

Roald Dahl was a spy before writing children’s books

During World War II, Dahl worked for the British Security Coordination in Washington, feeding propaganda to American journalists and gathering political…

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T-Mobile claims ownership of a shade of magenta
Economy

T-Mobile claims ownership of a shade of magenta

Deutsche Telekom, T-Mobile's parent, trademarked the specific magenta used in its branding. It has challenged similar shades used by other businesses,…

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Why your neighbor might legally cross your property
Economy

Why your neighbor might legally cross your property

The awkward part of an easement is that the land is yours, but a neighbor may still have a right to cross it. That can happen when your driveway is their only…

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Foucault turned prison research into a microphone for prisoners
History

Foucault turned prison research into a microphone for prisoners

In 1971, Michel Foucault helped found the Prisons Information Group in France. It collected accounts of daily prison life and circulated information from…

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Articulated dump trucks bend in the middle
Transport

Articulated dump trucks bend in the middle

A joint between the front and rear frames lets an articulated dump truck bend to steer. Its wheels follow the turn across rough ground, while the middle hinge…

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Dante put his enemies in Hell
Culture & entertainment

Dante put his enemies in Hell

After his 1302 exile from Florence, Dante placed real politicians, popes and other local adversaries in specific circles of torment in the Inferno.

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Beatrix Potter studied fungi before Peter Rabbit made her famous
Culture & entertainment

Beatrix Potter studied fungi before Peter Rabbit made her famous

She drew mushrooms in detail and investigated spore germination, with a paper read at the Linnean Society in 1897. Her scientific work was more substantial…

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Matisse painted massive murals using a charcoal stick
History

Matisse painted massive murals using a charcoal stick

As his mobility declined, Matisse attached charcoal to a long bamboo pole and drew on his studio walls from his chair. When the wall was out of reach, he made…

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Some people build houses purely out of spite
Economy

Some people build houses purely out of spite

A spite-house builder wants to block a neighbor’s sunlight, view, or alley access—not create a pleasant home. The narrow shape is the point: the building is a…

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Ian Fleming wrote Bond facing a wall
Culture & entertainment

Ian Fleming wrote Bond facing a wall

Fleming spent two months each year at his Jamaican estate, Goldeneye, writing all 14 Bond books at a desk facing the wall so the Caribbean view wouldn't…

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Jnana yoga uses relentless intellectual inquiry
Myths & mysteries

Jnana yoga uses relentless intellectual inquiry

Jnana yoga pursues enlightenment through intellectual inquiry: practitioners question and reason their way toward it, testing assumptions about reality.

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The ordinary funeral that scandalized the art world
History

The ordinary funeral that scandalized the art world

Courbet painted ordinary townspeople on a monumental canvas, the kind of scale usually reserved for saints and heroes. The scandal was that he insisted a…

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Starting a slide is drastically harder than maintaining it
Science

Starting a slide is drastically harder than maintaining it

A box sitting still is held by static friction, which can resist a stronger push than sliding friction can once the box is moving. Your first shove has to…

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Snow White's villain began as her mother in the Grimms' first edition
Culture & entertainment

Snow White's villain began as her mother in the Grimms' first edition

The 1812 version makes the jealous queen Snow White's biological mother. Later editions turn her into a stepmother, changing the family relationship while…

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Why the Nintendo Switch kickstand pops off
Games

Why the Nintendo Switch kickstand pops off

The kickstand is designed to pop off its hinge under too much pressure, so it can be snapped back into place instead of breaking permanently.

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