While reading Mindstorms book, want to know what is differential gear.
got to this explanation by Learn engineering.
It's a small team from India, who develop these videos.
From the story of how they started...
https://manufacturingstories.com/the-story-of-the-learn-engineering-youtube-channel
"The founder has always believed that, over the decades, engineering education has become a shortcut to get a quick job, and that real engineers and engineering innovations are slowly disappearing from the society."
In Telugu