Abstract: With the growing demand for clean and safe drinking water, there is a need for innovative approaches to enhance water access and distribution, particularly in public places like railway ...

Discover how to build a working Lego vending machine with just a few bricks! In this fun and easy tutorial, you’ll see how this simple Lego mechanism dispenses candy using real coins. Great for Lego ...

In this video, I demonstrate how to build a homemade shredder machine. After searching unsuccessfully for a shredder in my country and local scrap yards, I decided to take on the challenge of ...