Topic: history

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1953: Preserving and operating a wimmenumermolen polder mill

In a 250 year old polder mill in Noord Holland, Eric Zwijnenberg pumps excess water out of the area to avoid flooding. The drainage mill was first rented by his parents as a summer vacation house in 1953... After ...

Water powered hammer (Monjolo) – Primitive Technology

For farmers, millers, engineers, and artisans who live near a river or stream, a monjolo or kara-usu—a water powered hammer—can slowly grind grains into flours or soft stones into powders without repetitive human effo...

How to fit 4 years of trash into a mason jar, a zero waste experiment

Recycling, carrying reusable bags and coffee cups, buying compostable or metal straws, investing in solar energy... these are just a few of the eco-focused habits that consumers have embraced in recent decades. How di...

Yuasa Town: The Birthplace of Soy Sauce

Yuasa, a small coastal town in Wakayama Prefecture, Japan, is a fishing port and the producer of one of Japan’s most well known mandarin oranges, the Arida mikan. But a stroll through the traditional streets, includin...

Why are sloths so slow?

Around 35 million years ago, Earth was populated with giant, prehistoric ground sloths like Megalonyx jeffersonii (named after Thomas Jefferson), Paramylodon, and Megatherium who, until around 10,000 years ago, roamed...

Japanese manhole covers, a factory tour – ONLY in JAPAN

Whether they're in plain metal or decorated in bright colors, city manhole covers stand out in Japan's bustling streets. Personalized with bold yet intricate illustrations that highlight local sights, symbols, and sto...

The Archaeology of Crossrail and the history of London

The construction of London’s newest railway, which will be known as the Elizabeth line when services begin in 2018, has given archaeologists a unique chance to explore some of the city’s most historically important si...

Relighting “Circus Sideshow (Parade de cirque)” by Georges Seurat

French post-Impressionist painter Georges Seurat is well-known for his pointillism technique and for his depictions of life in the late 1800s. In observing his painting Circus Sideshow (Parade de cirque), we see these...

Genevieve von Petzinger & the invention of graphics on cave walls

Northern Spain's Cueva de El Castillo and Cueva de La Pasiega both contain incredible specimens of Franco-Cantabrian cave art, paintings and engravings in Cantabria province and southwestern France. El Castillo cave i...

How Scientists and Citizens Are Protecting Ancient Ruins in Peru

How can a historic archaeological site become a protected part of the crowded city that threatens to take it over for development? Pachacamac Site and Sanctuary Museum director Denise Pozzi-Escot has worked to solve t...

One Town, Four Elements: Ytterby

There's a small town in Sweden that has not one, not two, not three, but four elements named after it. Those elements--yttrium(Y), terbium (Tb), erbium (Er), and ytterbium (Yb)--were discovered by part-time chemist Ca...

How the BBC makes Planet Earth look like a Hollywood movie

In this Vox video from Joss Fong and Dion Lee, we get a look at the technological changes that have influenced how the BBC creates their world-renowned nature documentaries. Compare the groundbreaking access of the ve...

H is for Hertz – Circuit Playground

How does the internet work on your laptop, phone, and other wireless devices without any connecting cables? How does your television remote work? In this episode of Circuit Playground, Adabot learns about electromagne...

The Art and Science of Conservation at the Freer Gallery of Art

The conservation and scientific research of ancient Asian art takes a large team of experts from many fields. In order to bring thousands of treasures from the East to the galleries of the Smithsonian in downtown Wash...

The exceptional life of Benjamin Banneker

Born in 1731 on a farm in Baltimore, Maryland, Benjamin Banneker was an accomplished author, publisher, scientist, astronomer, mathematician, urban planner, activist, and farmer throughout his life. A free descendant ...

A Real-Life Bone Collector: Recovering an Extinct Human Ancestor

Follow biological anthropologist and 'bone collector' Dr. Marina Elliott deep into the ancient underground crevasses that would reveal around 1,500 bone fragments belonging to Homo naledi, a new species in human linea...

The Glass Ribbon Machine

In 1879, Thomas Edison and his research team developed a durable carbon-filament light bulb. In the 1880s and 90s, when glass had to be blown by hand, the skilled Corning glassblowers that Edison hired could produce t...

An Automaton of Marie Antoinette, The Dulcimer Player

From the 2012 exhibition Extravagant Inventions: The Princely Furniture of the Roentgens at The Metropolitan Museum of Art, take a closer look at a unique piece of automata: David Roentgen's Automaton of Queen Marie A...

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