From Archimedes, Pulleys & Hex Nuts, to an Aussie Invention: The Segnut.
I always thought that the pulley was one of Archimedes’ many inventions. I was wrong.
![](https://upload.wikimedia.org/wikipedia/commons/2/22/Archimedes-screw_one-screw-threads_with-ball_3D-view_animated_small.gif)
Archimedes' screw - Wikipedia
![](https://www.smith.edu/hsc/museum/ancient_inventions/images/shipshaker1.jpg)
Smith College Museum of Ancient Inventions: Ship Shaker
Autonomous Lethal Robots -as-a-Service?
![](https://i0.wp.com/thehistorianshut.com/wp-content/uploads/2017/11/66d32-facebook2bcrop2bof2bsyracusia.jpg?fit=1600%2C800&ssl=1)
Archimedes And The Luxurious Ship, Syracusia - The Historian's Hut
![](https://images.interestingengineering.com/img/iea/4N618oqRGJ/799px-trispastos-schemesvg.png)
7 Remarkable Inventions from Archimedes That Shaped History - Interesting Engineering
![](https://i0.wp.com/www.archimedesoffspring.com/wp-content/uploads/2019/03/Archimedes__Inventions_-_Google_Search.png?resize=730%2C167&ssl=1)
Archimedes' Inventions - Archimedes' Offspring
![](https://dawlishchronicles.com/wp-content/uploads/2018/09/SS_Archimedes_by_William-Joh-Huggins.jpg)
SS Archimedes – arrival of the screw propeller 1839 - dawlish chronicles
![](https://www.archimedesoffspring.com/wp-content/uploads/2020/08/cropped-ArchiLogo.jpg)
Archimedes' Inventions - Archimedes' Offspring
![](http://archimedesazbio.weebly.com/uploads/2/9/6/2/29625435/477898499.gif)
F-J - Αρχιμήδης AZ (Archimedes A-Z)