Questions tagged [alexandria]

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How did the lighthouse at Pharos work?

Was the ancient Greek pharos light house of ancient Alexandria, Egypt capable of creating light beams like a modern flash light? Lots of websites which also includes ones from schools, colleges, ...
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2answers
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When was the “Alexandrian period” of Greek sciences?

Engels (1880): The foundations of the exact natural sciences were, therefore, first worked out by the Greeks of the Alexandrian period, and later on, in the Middle Ages, by the Arabs. When was this &...