The Archimedes screw is now turning!
I was at Safra Square in Jerusalem on Sunday, and it was my first time after all these years to see it in motion.
During the long recent past when Israel had a water shortage, the water in many of the city's beautiful fountains was turned off.
See more pictures, including a real Archimedes screw once used in agriculture, in my post A Fountain That Screwed Up.
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