Scientists at an Italian observatory this year succeeded in firing lasers at the mirror-covered Ajisai Japanese satellite, proving that a sequence of photons can travel great distances through space.

Quantum Key Encryption Information Security – Heisenberg’s Uncertainty Principle Quantum Mechanics – Popular Mechanics.

It’s an article about quantum key encryption but the title made me laugh.  Larry Niven has been writing about communication lasers almost as long as he’s been writing.