Fond Memories of Alexandria

I have found myself recently reminiscing about my time in Alexandria. I was almost 18 at the time when my father sent me away to study mathematics with teachers who had learned from Euclid. At the time, I was a little angry because I wanted to stay in Syracuse because it was where I grew up and I considered it to be home. Now I know that my father was not only thinking about my education, but also trying to send me away from the warfare that was being waged around Syracuse. He did what he thought was beneficial to me while keeping me safe.
I fondly recall my friends Conon of Samos and Eratosthenes of Cyrene whom I met while in Alexandria, they too were also mathematicians. I was able to meet many mathematicians during my studies there that ignited my passion for knowledge.
While I was in Alexandria, King Hieron II, who was the King of Syracuse asked me to help him with one of his larger ships named Syracusia; the King was worried about the ship sinking due to excess water in each hull and wanted me to design a way to remove the water. The device I created takes liquid from a source and forces it to another location, where it is discharged (also known as positive displacement). The device consists of a helix contained within a tight fitting cylinder, and the blades of the helix create individual pockets between the helix and the wall of the cylinder. One end of the device goes into the pool of water and turning the handle rotates the screw which scoops up a small amount of water. As the screw rotates further, the water is transferred to the next pocket while the screw scoops up more water from the source. Eventually, this creates an almost uninterrupted discharge of fluid at the other end.



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