Topic: metal

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Making Artificial Earthquakes with a Four-Tonne Steel Ball

In Göttingen, Germany, there's a four-tonne steel ball that can be raised up a 14-metre tower -- and then dropped in less than two seconds, crashing back to earth. It makes tiny, artificial earthquakes. Tom Scott v...

The surprising interactions between copper and neodymium magnets

Experiments with super strong neodymium magnets and copper! These surprising demonstrations of magnetic damping go beyond the magnet through a copper tube demo that we've previously seen. Watch as Night Hawk in Light ...

Golden Kingdoms: Luxury & Legacy in the Ancient Americas

Emblems of royalty, sacred offerings, ornaments, adornments, and treasures endowed with symbolic significance. Follow the development of goldworking from the Inca Empire, the Aztec Empire, and other ancient civilizati...

How zippers are made at the zipper factory – Mister Rogers’ Neighborhood

The bulk of a zipper/zip consists of two rows of protruding teeth, which may be made to interdigitate, linking the rows, carrying from tens to hundreds of specially shaped metal or plastic teeth... The slider, operate...

The Big Sort: An Insider’s Tour of a Recycling Plant

Every day at the Sims Municipal Recycling facility in Sunset Park, Brooklyn, roughly 800 tons of recyclables meander through a tangle of machines, scanners, and conveyor belts. Mountains of discarded metals, glass, an...

COS & Snarkitecture’s Loop, a 400 meter marble run in Seoul

A follow up to their 2014 interactive marble run installation and their viral ball pit installation The Beach, New York-based art and architecture team Snarkitecture has partnered with fashion brand COS to create 400 ...

How knives, forks, and spoons are made

How are knives, forks, and spoons made? In this video from The Magic of Making, we go behind-the-scenes with the workers and machines that cut, stamp, bend, sharpen, and polish silverware into its final forms. We ...

Humphry Davy’s Potassium Volcano

Humphry Davy is one of the best know men of science of the nineteenth century. He isolated nine different chemical elements, was the first person to inhale nitrous oxide and invented the miner's safety lamp known as t...

How to build a balancing bridge out of coins without glue

Build a bridge of coins that can balance off the side of a table without glue. This video from The Q demonstrates the stacking process with around 200 coins. Can you make something similar with fewer coins, or somethi...

Making Matchbox cars in 1960s London – British Pathé

In the 1960s, Matchbox toy cars were made on a series of assembly lines in a Hackney factory in London. Filmed 15 years after the company was founded under the name Lesney Products, this 1962 British Pathé video featu...

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...

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