Topic: history

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Preparing Pilcher’s Hawk to fly again

According to Wikipedia, The Hawk was the fourth flying machine that British inventor Percy Pilcher built in the 1890s. Following Bat, Beetle, and Gull hang gliders, Pilcher's Hawk broke the world distance record in 18...

40,000 years of London history created with papercraft

Peel back the pavement of a grand old city like London and you can find just about anything, from a first-century Roman fresco to a pair of medieval ice skates—even an elephant’s tooth. As one of Europe’s oldest capit...

Making a cord drill & pump drill from sticks & rocks

How far can you go without using modern technology? As a hobby, YouTuber Primitive Technology explores this question by making simple tools from scratch using no modern tools or materials. In the video above, he craft...

Driving a Ford Model T at the Henry Ford Museum

In 1908, Henry Ford started selling the Model T, nicknamed the Tin Lizzie, as the first affordable car that everyone could drive, but driving the car "that started it all" is quite different than driving today's cars....

The iPhone of Slide Rules – Numberphile

From Numberphile, science and math writer Alex Bellos introduces the slide rule and then shares "the iPhone of Slide Rules" -- the Halden Calculex. On the pocket-sized disk made in Manchester, circa 1906, CollectingMe...

How do we know what color dinosaurs were?

The meat-eating microraptor was a black-feathered, four-winged dinosaur. How do we know its feathers were black? The evidence is in the microraptors' fossils. This TED Ed explains. Plus, more from Wikipedia: In Mar...

The 12 Days of Evolution – It’s Okay to Be Smart

Joe Hanson of It's Okay To Be Smart celebrates the diversity of life with 12 days of videos dedicated to explaining evolution and natural selection. Above: What is evolution, anyway? From Berkeley’s Understanding ...

In Bavaria, Krampus Catches the Naughty

Long before parents relied on the powers of Santa Claus to monitor their children’s behavior, their counterparts in Alpine villages called on a shaggy-furred, horned creature with a fistful of bound twigs to send the ...

Animated Life: Mary Leakey & the Laetoli footprints

Forty years ago in Laetoli, Tanzania, an elephant dung fight between a couple of paleoanthropologists led to a discovery: a fossilized animal print, at least 3.6 million years old. But the site had an even bigger surp...

Rosa Parks, her story as a lifelong civil rights activist

On December 1st, 1955, Rosa Parks was arrested when she bravely refused to surrender her bus seat to a white passenger. In protest of the unjust Alabama law that required African Americans to sit in the back of the bu...

Buster Keaton – The Art of the Gag

Buster Keaton was known as 'The Great Stone Face', a reference to the deadpan expression he wore during some of the most incredible physical comedy scenes known in film. His artistry as a vaudevillian, a comedian, a f...

Sweet potato vs. yam: What’s the difference?

Have you ever eaten a yam? Maybe. Maybe not. In this Vox video, Joss Fong (and Mac Rogers, the President of the Sweet Potato Council) explain how American history has led us into a few hundred years of tuber confusion...

Why are there oyster shells in the ‘Chalk Pyramids’ of Kansas?

Fossilized oyster shells, coral, fish bones, shark teeth, and other marine organisms can be found in the 'Chalk Pyramids' or Monument Rocks that rise up from the flat plains of western Kansas. These ancient chalky spi...

How did clouds get their names? – TED Ed

In daydreaming out the window as a kid, Luke Howard began to informally study the constantly changing clouds in the sky. In 1802, he was the first to name cloud forms, as well as a variety of transitional cloud types....

Meet the Balloonatics – SciFri goes to Macy’s Parade Studio

How are Macy's Thanksgiving Day Parade balloons designed, calculated, fabricated, tested, and retested before they show up on the streets of Manhattan on Thanksgiving morning? From Science Friday in 2011, visit the 'b...

How does a retractable ballpoint click pen work?

Click. Click. The two clicks that you hear when pressing the top button on a retractable ballpoint 'click pen' are a key to understanding the mechanics happening inside of it: A rotation, extension, and lock of the sp...

Odd – Mysteries of Vernacular

Odd. Odd. Say it a few times, and the word 'odd' sounds odd. Peculiar. Different from what is usual or expected. Of course, we also know that odd numbers can't be divided evenly into two groups. But where did this odd...

Solar Wind Strips Martian Atmosphere – NASA Goddard

In 2014, NASA's MAVEN (Mars Atmosphere and Volatile Evolution mission) spacecraft measured the speed and direction of ions escaping from Mars. The data collected as it orbited the Red Planet is visualized in this NASA...

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