Took one look at that thumbnail and knew it was a Steve Mould creation. He has a very distinctive style to his water models.
Actually just watched this before I saw this post. Great video and very informative!
Steve Mould is a great YouTuber. Up there with Technology Connections
Matt Parker looks so insanely different with that beard.
Here is an alternative Piped link(s):
https://piped.video/watch?v=wCxRHueX6jQ
Piped is a privacy-respecting open-source alternative frontend to YouTube.
I’m open-source; check me out at GitHub.
So, basically an Archimedes Screw.
Nope. The airlock effect inside the mechanism produces an additive effect with each coil that builds the pressure way beyond what a normal screw pump is capable of (he shows a friend who has one that pumps water to a garden 8 meters above just from the force of the river spinning it). That’s what makes it worth its own whole Steve Mould video.