Topic: metal

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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...

Bequeath These Seeds, a blooming brass wire kinetic sculpture

Brass wire and liquid plastic flutter open and close like flowers in time lapse, driven by motorized mechanisms within the wooden scaffolding below. Bequeath These Seeds was created by kinetic sculptor Casey Curran fo...

What’s inside a tape measure?

It's useful for measuring, fun to extend out as far as possible, and when its rocker is unlocked, the long metal measuring blade snaps quickly back inside of its shell. But how? What's inside a tape measure? In th...

Traditional sword making from scratch

Witness the reproduction of the 25th king of the Korean Joseon Dynasty's sword being made from scratch, starting with the building of a brick and clay forge for smelting the powdered iron mixed with sand. The smelting...

How a Bach Stradivarius trumpet is made

In this video series from musical instrument manufacturer Conn-Selmer, we see how a Bach Stradivarius trumpet is made. The mouthpiece above is shaped to the tune of Nikolai Rimsky-Korsakov's Flight of the Bumblebee. T...

How Do They Make Money?

Watch shiny discs of metal tumble through giant machines and conveyor belts in the mint before they're stamped and made officially into Canadian one cent pieces. How Do They Make Money? is a 1999 wordless short film b...

Electromagnetic Levitation Quadcopter

On a visit to Hyperloop One, a Los Angeles-based team working to create a near-vacuum tube-based transportation system, Veratasium's Derek Muller got to check out this Electromagnetic Levitation Quadcopter demo. In th...

What can you do with a large neodymium magnet?

Neodymium magnets are really strong. The larger they get, the more careful you need to be to avoid being pinched or struck from the force of their attraction. This video from Magnetic Games cautiously explores what ca...

Here’s Where the Juice That Powers Batteries Comes From

Atomic number 3 on the periodic table, lithium is the 'li' in the li-ion batteries that are inside of our smartphones, laptops, digital cameras, and electric vehicles. Above, Alejandro Bucher gives Bloomberg's Ashlee ...

Why does a frozen lake sound like a Star Wars blaster?

Ice can make all sorts of sounds: cracking, crackling, musical booooooms... and that pew! pew! Star Wars blaster sound. How? In this episode of NPR's Skunk Bear, we learn about acoustic dispersion and how the phenomen...

Metal crystals forming in time lapse

From Italy-based chemistry student Emanuele Fornasier, this is Crystal Birth, one of the many chem vids he's created as a video and photo enthusiast. He writes: This video is the beginning of a long term chemistry...

What’s inside my pocket camera? – Tinker Friday

What's inside my pocket camera? What's inside my flashlight thingy? What's inside my mobile phone pouch? Cairo-based product designer Dina Amin asks these questions every week for her Instagram side project called Tin...

Everyday Objects In Macro

Take a good look at these everyday objects up close... the colors, the textures, the scratches or bits of dust and dirt. Can you guess what the objects are before the camera zooms out? This is Everyday Objects In ...

The Waterphone

Invented by Richard Waters in the late 1960s, the waterphone is an unusual instrument that often contains a bit of water to help create its signature sound. Used in a variety of movies and albums, the instrument is of...

Welding in Space

On June 3, 1965, after America's first spacewalk was complete, the two Gemini IV astronauts, spacewalker Edward H. White II and command pilot James A. McDivitt, had trouble getting the hatch closed. They managed to, a...

DuoSkin: Functional, stylish on-skin user interfaces

Wear your game controller on your arm in the future and much more. From MIT Media Lab in collaboration with Microsoft Research, PhD student Cindy Hsin-Liu Kao introduces DuoSkin: Functional, stylish on-skin user inter...

Dismantling the San Francisco–Oakland Bay Bridge

Weighing more than 25 tons each, the five 504 foot (153.6 meter) long trusses of the San Francisco–Oakland Bay Bridge's eastern span have each been dismantled and lowered onto a barge that takes them away for further ...

Making a Forge Blower – Primitive Technology

A rotary fan from pieces of bark, a fan cover and spout made from unfired clay, a bow drill to power it, and a mud furnace to concentrate the heat. Watch how Primitive Technology constructs a forge blower from wood, b...

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