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1. Show HN: Communication Without Networks – Just Light and Sound (Spectra) 1 point by Hi-Alex 1 day ago | past | discuss 2. Ask HN: Could a passive underwater device shift naval strategy? 2 points by Hi-Alex 3 days ago | past | discuss 3. Underwater anomaly-response probe: cheap, autonomous, disruptive? 1 point by Hi-Alex 3 days ago | past | discuss 4. AI to AI social network context transfer (Gendouble Protocol) 1 point by Hi-Alex 86 days ago | past | 2 comments

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