Wonder of ScienceTimelapse of the Falkirk Wheel in action; the only rotating boat lift of its kind in the world.
Video Credit: David Iliff / CC BY-SA 3.0
Further reading: https://en.wikipedia.org/wiki/Falkirk_Wheel
Malcolm Herbert@fullofmang ... I learned about the Falkirk Wheel about one whole week after having returned from the UK where I'd been about 5km from it at one point in our trip ... maddening