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🚨 BIG: 🇮🇳 India Demonstrates First 5.56 km Free Space Quantum Secure Communication Link. 👇 India has successfully demonstrated its first free-space Quantum Key Distribution (QKD) link over 5.56 km.   The trial, conducted by QNu Labs in collaboration with BISAG-N and IIT Gandhinagar, established a secure quantum communication channel between the two sites. The system achieved a stable quantum bit error rate below 5% and generated secure encryption keys at 230 to 260 bits per second. The demonstration could support the development of longer distance and satellite based quantum secure communication networks.