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Cable Crossing: The Story of Optical Telegraphs
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Cable crossing 40 (14 June 2025) The history of optical telegraphs [~19:00] – Every time I see an article about this curious means of communication of the Napoleonic era I can only gossip a little more about some of the details. I was talking about this and its origins with David Sierra in the latest cable crossing program, in which although we usually spend ten minutes only gives time to tell many things: Before optical fiber, wifi and satellit…
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