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
burneRotating the wheel once consumes roughly as much energy as boiling two gallons of water. It doesn’t matter whether the wheel is empty or carrying the maximum of 8 boats (4 up, 4 down) with a total cargo of 200 tonnes.
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