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Month: April 2019

Nancy
By The Generalist Posted on April 14, 2019March 19, 2019

Comic syntax

Comic books have their own structure, conventions, and language. In a seminal 1988 essay, two cartoonists broke down elements of this syntax using a single Nancy comic strip.

Categories: Arts & recreation, Literature
Deicing Boot
By The Generalist Posted on April 13, 2019March 19, 2019

Airplane boots

Flying airplanes gather ice. It’s cold up there. That ice can get into the machinery and cause significant danger. So how do you keep the ice away? The same way we do: with rubber boots.

Categories: Sciences, Technology
Agatha Christie
By The Generalist Posted on April 12, 2019April 28, 2021

The disappearance of Agatha Christie

Agatha Christie is perhaps the most famous mystery and crime writer of the 20th century. In 1923 she started a real-life mystery of her own that has persisted to this day: she disappeared.

Categories: 20th century history, Arts & recreation, History, Literature
Magic Square
By The Generalist Posted on April 11, 2019April 28, 2021

Build your own magic square

A magic square is a grid of numbers in which any row, column, or diagonal adds up to the same total. They look complex, but it’s actually easy to design your own using the Siamese method.

Categories: Early modern history, History, Mathematics & statistics, Places, Sciences, South Asia, Southeast Asia
Atlantic crust
By The Generalist Posted on April 10, 2019April 17, 2021

Science wars: Fixists vs. mobilists

A hundred years ago the idea that the continents could move was controversial. Among the “fixists” were some of the luminaries of geology and geophysics in the early 20th century. But history has proven them very, very wrong.

Categories: Earth science, Sciences
Shin-kicking
By The Generalist Posted on April 9, 2019April 21, 2021

Shin-kicking

Everyone loves to give someone’s shins a good kick (no? just me then?) but leave it to the English to make it into a sport.

Categories: Early modern history, Europe, Games & sport, History, Places
Hwacha
By The Generalist Posted on April 8, 2019April 28, 2021

Medieval rocket launchers

We think of rocket launchers as a modern invention, but the Koreans were using them four hundred years ago. The hwacha could fire two hundred rockets at once, blowing up enemies more than a hundred metres away.

Categories: Early modern history, East Asia, History, Medieval history, Military, Places, Sciences, Technology
Staircase
By The Generalist Posted on April 7, 2019March 18, 2019

Staircase wit

Ever thought of the perfect comeback, but thought of it way too late? Then you’ve got a case of staircase wit.

Categories: Language
Gentileschi's Judith Beheading Holofernes
By The Generalist Posted on April 6, 2019May 29, 2019

Power of Women

The Power of Women is a topos (“topic”) of medieval and Renaissance Western art that inverted traditional gender roles. While most male painters saw this as comedy, prominent Renaissance painter Artemisia Gentileschi turned it on its head and used her art to portray “courageous, rebellious, and powerful” women.

Categories: Art, Arts & recreation, Early modern history, History
Columbus
By The Generalist Posted on April 5, 2019April 4, 2019

Columbus’ UFO

In 1492, the Columbus expedition sighted and visited land. We’re still not sure which island in the Caribbean he landed on, but did he see a UFO the night before?

Categories: History, Medieval history, North & Central America, Places
Sewing machine
By The Generalist Posted on April 4, 2019April 4, 2019

The sewing machine dream

Elias Howe Jr. patented the modern sewing machine in 1846. Its innovative “lockstitch” mechanism was revolutionary. And, apparently, it came to Howe in a dream.

Categories: Arts & recreation, Fashion & design, Sciences, Technology
Guidonian Hand
By The Generalist Posted on April 3, 2019March 17, 2019

Short hand

The hand is a flexible and convenient mnemonic device. The knuckle mnemonic tells us the number of days in a month, but a musical mnemomic called the Guidonian hand has been around for eight hundred years.

Categories: Arts & recreation, History, Medieval history, Music
River under the desert
By The Generalist Posted on April 2, 2019April 17, 2021

The river under the Sahara

Searching for oil in the 1950s, prospectors discovered huge supplies of ancient water under the Sahara. The Great Man-Made River (an enormous network of underground pipes) now brings that water to the major cities of Libya.

Categories: Africa, Earth science, Food & agriculture, Places, Sciences, Technology
Rubber duck
By The Generalist Posted on April 1, 2019April 17, 2021

Rubber duck debugging

You’re writing a computer programme, and you need to debug it. Why not use a rubber duck?

Categories: Computer science, Sciences

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