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The first enduring color photo used three monochrome images
Technology

The first enduring color photo used three monochrome images

In 1861, Thomas Sutton photographed a tartan ribbon through colored filters for James Clerk Maxwell's demonstration. Projecting the images through…

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Why Broadway theaters skip Row I
Culture & entertainment

Why Broadway theaters skip Row I

The letter I can look like the number 1 on a seating chart, so theaters skip it to keep patrons from taking the wrong seats.

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The Pulitzer Prize began with yellow journalism
Culture & entertainment

The Pulitzer Prize began with yellow journalism

Joseph Pulitzer made his fortune with sensationalized yellow journalism before becoming known for the prize that bears his name.

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Portland has a park smaller than a parking space
Travel

Portland has a park smaller than a parking space

Mill Ends Park is a tiny planted circle about two feet across. Columnist Dick Fagan built stories about leprechauns around the spot, and it became an official…

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Sunscreen is a surprisingly recent invention
Health

Sunscreen is a surprisingly recent invention

Early attempts to protect skin from ultraviolet light included exploring UV-blocking paste for soldiers, while beachgoers often went without protection.…

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Pac-Man used eating to invite a different crowd into arcades
Games

Pac-Man used eating to invite a different crowd into arcades

Toru Iwatani wanted to reach people beyond the young men dominating arcades. He built the game around a bright, simple character eating dots while avoiding…

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A cruise ship's height doesn't tell you where its weight is
Transport

A cruise ship's height doesn't tell you where its weight is

Heavy machinery sits low in the hull, while much of the tall upper structure contains relatively light rooms and open space. When the ship tilts, its hull…

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How one infinity can be bigger than another
Science

How one infinity can be bigger than another

Imagine listing every number between 0 and 1. Build another decimal by choosing each digit as 1 or 2, always different from the corresponding digit of the…

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People subscribed to live opera by telephone
Technology

People subscribed to live opera by telephone

Before radio broadcasting, services such as Paris's théâtrophone carried performances along telephone wires. A subscriber could listen from elsewhere in the…

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Ouija name literally just means yes in two languages
Myths & mysteries

Ouija name literally just means yes in two languages

Ouija combines French oui and German ja, both meaning “yes”—a much less sinister origin than the board’s spooky reputation suggests.

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Why famous podcasts are recorded in coat closets
Culture & entertainment

Why famous podcasts are recorded in coat closets

Coat closets help absorb echo with their hanging jackets; some hosts even sit on a pile of shoes while recording.

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One route to the mouse wheel began with a zoom idea
Technology

One route to the mouse wheel began with a zoom idea

Microsoft's Eric Michelman wanted an easier way to navigate large Excel sheets and first imagined a lever that zoomed in and out. Scrolling later became the…

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Why gossip may have started as social glue
Psychology

Why gossip may have started as social glue

Gossip can sound like idle chatter, but in a small group it serves as a rough reputation system. A story about who broke a promise helps everyone decide whom…

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A Japanese court woman wrote Genji roughly a thousand years ago
Culture & entertainment

A Japanese court woman wrote Genji roughly a thousand years ago

Murasaki Shikibu's tale follows relationships, status and court life across a long narrative. Written in the early eleventh century, The Tale of Genji…

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Why saying because can get you ahead in line
Psychology

Why saying because can get you ahead in line

“Because” sounds like a reason is coming, and people often respond to that cue before checking how good the reason is. In a classic photocopier study, people…

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Antarctic visitors have to check their gear for tiny stowaways
Travel

Antarctic visitors have to check their gear for tiny stowaways

Seeds and other biological material can hide in boot treads, bags, clothing, and even fastening strips. Cleaning them before landing helps prevent introducing…

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Psychic hotlines dragged out calls purely for money
Myths & mysteries

Psychic hotlines dragged out calls purely for money

Since callers were charged by the minute, slow, evasive readings could run up the bill before a vague prediction arrived.

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An audiobook booth makes tiny noises into production problems
Culture & entertainment

An audiobook booth makes tiny noises into production problems

The microphone must capture a voice without traffic, room echo, or equipment hum. That quiet also exposes mouth clicks, rustling, and breaths the narrator…

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