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Deep & Emerging Tech·September 10, 2026·1 min read

Researchers Send Twin Photons 7 Kilometers Across Brazil’s Guanabara Bay

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Sending entangled photons 7 km across open water is another incremental step toward practical quantum-secure links outside the lab. CIOs with long-lived sensitive data — defense, healthcare, critical infra — should keep quantum-safe networking on the watchlist, not just post-quantum crypto.