Topic: springs

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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...


 
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