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Greek mathematician, physicist (hydrostatics, levers), engineer (siege engines, screw pump), inventor, astronomer.

His twin circles are created inside an arbelos formed by three collinear points and having a shape bounded by three semi-circles with pairs of these points as diameters and each circle with the same area and radius. See the YouTube arbelos video (and then come back).

Who's Viewing? Customers in Melbourne, Australia & Cary, North Carolina, and Roswell, Georgia, USA.

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