A tiny satellite, but a huge leap. Quantum-Encrypted data is beamed across the globe, ushering in a new era for ultra-secure internet. Plus, skeletal evidence of a Roman gladiator that was bitten by a lion. On This Day in History, the first submarine to circumnavigate the globe.

Tiny Chinese Satellite Sent Hack-Proof Quantum Messages 12,900 Kilometers Through Space. Is a Quantum Internet Around the Corner? | ZME Science

Skeletal evidence of Roman gladiator bitten by lion in combat | ScienceDaily

Operation Sandblast: The First Submarine Circumnavigation | Amusing Planet

1960: USS Triton’s Underwater Circumnavigation – Knowledge Spectra

This 60 Day Submarine Voyage in 1960 Tested the Psychological and Physical Limits of Crew

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