Topic: metal

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The Slinky machine: A hand-cranked, wooden Slinky escalator

What if you had a never-ending stairway for a Slinky to "walk" down? How long do you think it might continue to descend? Matthias Wandel of Woodgears.ca decided to find out. This is The Slinky Machine, a specially-con...

1,000 bloom chrysanthemum: The largest in the western world

This 2011 video from Kennett Square, Pennsylvania's Longwood Gardens goes behind-the-scenes to show how one fosters the growth of a Chrysanthemum plant with over 1,000 blooms. Senior gardener and chrysanthemum special...

Making wire gears + the kinetic sculptures of Arthur Ganson

We love gears. Steel gears, wooden gears, paper gears, unusually shaped gears... but we'd yet to see handmade wire gears. Enter Arthur Ganson and his kinetic sculptures, including the one above, Machine with Housefly....

Artist Cyrus Kabiru makes eyeglasses from trash & e-waste

Kenyan artist Cyrus Kabiru designs and makes eyeglasses from Nairobi's discarded trash and e-waste. In a mix of sculptural art, fashion, and social commentary, the bifocals explore "the aspiration of popular culture b...

Beam Drop Inhotim, 2008, Brazil – Chris Burden

A large space in the dirt is cleared, a pit is dug and filled with wet concrete, and a huge crane lifts and drops 100 locally sourced steel I-beams into the pit. This is the work of late American artist Chris Burden f...

How do batteries work?

If you've ever used a flashlight, or changed the channel with a remote control, if you've ever recharged your electric car, or if you're reading this on a smart device, then you know how useful batteries can be. But h...

Anodizing Titanium – “The Rainbow Metal”

Titanium is nicknamed "The Rainbow Metal" in some jeweler circles because it can be anodized in an electrolyte solution to produce a variety of colors. The colors are created by passing electricity through it to produ...

Machining a cube in a cube in a cube from a single metal block

This three-layered cube – a cube in a cube in a cube – was made from a single block of metal. It was machined with precision on a metal lathe and a drill by YouTuber Инженер BrunS, an experienced hobbyist. The cubes c...

The science of static electricity – TED Ed

What is static electricity? Why do we get a tiny spark when we've walked across a carpet and touched a doorknob? Or have you ever pet a cat and then picked up something metal, like a spoon to stir up cat food? Zap! (A...

The Ingenious Design of the Aluminum Beverage Can

When we first think of aluminum, we think of aluminum foil or aluminum cans, those ubiquitous containers that line beverage shelves in almost every grocery store. But have you ever thought about the decades of design ...

The Mephisto Spiral – Part magic trick, part optical illusion

Watch as Grand Illusions' Hendrik Ball deftly showcases The Mephisto Spiral, a brain-breaking toy that seems to mix an optical illusion with a bit of the slight-of-hand skills required for magic tricks: It looks li...

Hydrophobic metal made with laser-etched microscopic patterns

Scientists from the University of Rochester have created water-repelling metal by laser-etching nanostructures into the surface. Watch as water droplets bounce like water balloons off of the metal's super-hydrophobic ...

Anthony Howe’s kinetic sculptures in Barneys holiday windows

When department store windows get "dressed up" during the holidays, it's always a treat. In big cities like Paris, London, and New York City, there's usually the added promise of seeing high-profile artists, engineers...

How are shipping containers made?

We've seen them traveling on trains and stacked high on ships, but where do shipping containers come from? How are they made? To answer that question, moving and storage company BigSteelBox filmed this HD promotional ...

To the Scientists of the Future: Materials science with EUPHRATES

Created by EUPHRATES and Masahiko Sato for Japan's National Institute for Material Science (NIMS), these three "To the Scientists of the Future" short films are a mesmerizing combination of materials research innovati...

Combat demonstrations in fifteenth century suits of armor

From Le Figaro, Le combat en armure au XVe siècle, in which two people demonstrate what it was like to battle in 15th century suits of armor. The combat was staged with reproductions for Le Musée National du Moyen-Âge...

Beautiful Chemical Reactions

Metal displacement, precipitation, crystallization, and more: This is Beautiful Chemistry, a 4K UltraHD short film project that aims to share how beautiful chemical reactions can be. From Tsinghua University Press and...

The Curiosity Show: How does a music box work?

In this clip from Australia's The Curiosity Show, science educator and co-host Deane Hutton demonstrates the basics of sound, moving air particles, and forced vibrations with a plastic comb, hacksaw blades, the metal ...

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