https://www.sciencenews.org/article/...s-space-travel
They used the observatory's green laser to track the relay satellite. Transmitted some qbits on a 5,000 km ride and they returned with no change in quantum state.
-G
They used the observatory's green laser to track the relay satellite. Transmitted some qbits on a 5,000 km ride and they returned with no change in quantum state.
-G