How about using drone submarines to cut optic fibre undersea cables? Can geoloca... | Hacker News

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		ghywertelling 15 days ago \| parent \| context \| favorite \| on: Iran strikes leave Amazon availability zones "hard... How about using drone submarines to cut optic fibre undersea cables? Can geolocation coordinates be beamed to submarines deep under water?

rcxdude 15 days ago [–]

Communicating with submarines that are deep underwater is pretty hard. There are techniques like ELF (Extremely Low Frequency) but they require a small power station to transmit a few characters a minute.

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