Topic: springs

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The Coupled Pendulum, a physics demonstration

See the simple laws of physics at work: Two pendulums swing on a string, transferring energy from one to the other and back again. This demonstration by MarkHacks, made with cardboard, screw hooks, tape, string, and t...

Ridiculous Tricks You Can Do With a Slinky

They walk downstairs alone or in pairs and makes a slinkity sound... but there's a lot more you can do with a slinky, the famous helical spring invented in the 1940s. In this video featuring 黃正懷, Kuma Films capture...

Solar and potential energy ‘swing thing’ mini machines

Made with pencils, a pen, a paper clip, rubber bands, spring clips, and a ball bearing, YouTuber rcbif spent his lunch at work creating a useless 'swing thing' invention, a concept that he saw online. (Take a close lo...

How does a retractable ballpoint click pen work?

Click. Click. The two clicks that you hear when pressing the top button on a retractable ballpoint 'click pen' are a key to understanding the mechanics happening inside of it: A rotation, extension, and lock of the sp...

How shock absorbers work, an under the car view

What happens under your car while you're driving in it? YouTuber ChrisFix put cameras under his car to see what was happening when he drove his 14 year old shock absorbers on a bumpy roadway, a highway, in stop and go...

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...

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....

The cheetah-cub robot

Small, light, and quick, the cheetah-cub robot is a robust little experiment in robotics and biomechanics from EPFL, the École Polytechnique Fédérale de Lausanne, one of two Swiss Federal Institutes of Technology. Fr...

Mechanical singing bird box automata of the 1700s

While googling about mechanical inventions like Mark Galt’s walking mechanical humans, I happened upon this lovely 1890 piece of restored gears and springs, with the original bellows: a singing bird mechanism. F...

Slow Mo Guys: How a Slinky falls in slow motion

How does a slinky fall when extended by its own weight and then released? We’ve watched this before, but perhaps not in the smoothest of smooth slow motion (ie. 1600fps with a Phantom Flex camera) that YouTube&...

The Slinky Drop in slow motion – Veritasium

Slinky Drop in Slow Motion! How does a slinky fall when extended by its own weight and then released? We were surprised by the answer — and especially by what the answer looks like. Veritasium's Derek Muller mee...


 
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