Topic: metal

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Thermal expansion sphere and ring demonstrations

If you ever had trouble twisting open a jar lid that's stuck, try running it under some hot water. When you try again, it will most likely pop open with a twist thanks to thermal expansion. Most (but not all) matter w...

Giant Minotaur and spider robotic puppets in Toulouse

The city of Toulouse, France "has given itself over to an immersive form of street theater, bringing to life creatures like the giant spider and the Minotaur, the mythical monster from Greek mythology that is half bul...

Defacing coins like a British suffragette

Stamped in crude lettering across the head of the king is the phrase ‘VOTES FOR WOMEN’, the slogan of the suffragette movement. The deliberate targeting of the king, as the constitutional monarch and head of the Churc...

Thumb-dented aluminum can sculptures

When Noah Deledda empties an aluminum can, he doesn't throw it into a recycling bin. He reuses it, creating aluminum can sculptures by methodically denting small areas of the cans into patterns with his thumbs. He doc...

Melting a metal alloy spoon in some tea

Imagine stirring your tea and having your spoon disappear into your tea... melting quickly away. When one of Professor Sir Martyn Poliakoff's Periodic Videos viewers sent a metal alloy, Field's Metal, to their office,...

Toy Car Restoration: A No67 Volkswagen 1600 TL and a 1971 Bye-Focal

When old metal toy cars see lots of play time they can get pretty chipped and scratched up. How do hobbyists restore these gems? YouTuber BaremetalHW shares his 2017 restoration of a London-made Lesney Products' Match...

El Relicario: Abdón Punzo Ángel’s artisanal coppersmithing from scraps

Metalsmith Abdón Punzo Ángel and his family craft award-winning decorative copper and silver objects from recycled materials. El Arte del Cobre, their celebrated multi-generational business, is one of over fifty works...

Dressing in late 14th century armor

A video showing how to dress in and wear armor (harness) from late 14th century. The harness is a detailed reconstruction based on the effigy of the Black Prince (1330-1376) in the Canterbury Cathedral, other relevant...

Making strawberry hard candy drops on a restored machine from Alaska, circa 1890

This machine belongs to and has been returned to the Klondike Gold Rush National Historic Museum in Skagway Alaska, and to this day there aren't many good roads into it... Imagine how hard it would have been to get th...

Elephants of War: Elephant armor (bargustavan-i-pil) from India, circa 1600

'Fearsome war elephants fully clad in armor' were a thing. Natasha Bennett, a curator at the Royal Armouries Museum in Leeds, England, introduces this stunning mail and plate elephant armor (bargustavan-i-pil) from In...

Tantalus Mackerel and a School of Fish automata

Automata and kinetic sculpture artist Chris Fitch uses engineering to create repeated moments in time. Named for the Greek mythological figure Tantalus, the fish-themed piece above, Tantalus Mackerel, follows a frustr...

The untold history of ironworking in central & west Africa

In the lush forests of modern-day Central African Republic, sometime between 1800 and 1500 BC, craftsmen are believed to have discovered iron. New evidence indicates that ironworking began in the heart of Africa. ...

North Carolina’s Vollis Simpson Whirligig Park and Museum

In the small town of Wilson, North Carolina, the Vollis Simpson Whirligig Park and Museum is attracting visitors from near and far. In the video above, UNC-TV's North Carolina Weekend shows off the 31 restored wind-po...

Steel track rolling ball sculptures by kinetic artist Tom Harold

With thin rails of hand-bent and welded stainless steel, kinetic artist Tom Harold creates intricate marble tracks full of twists, turns, hinges, and swirls. Titled 'Tomfoolery,' the piece above was specially made for...

Smashing stuff with neodymium magnets

What happens to a cluster of grapes when it's in between two large, very strong and potentially dangerous neodymium magnets as they collide? Science presenter Kevin Delaney and his team demonstrate the power of these ...

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...

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