QKD Satellites are a real technology. https://en.wikipedia.org/wiki/Quantum_Experiments_at_Space_S...
305 karma · joined May 26, 2009
> The most commonly used orbits for both manned and unmanned space vehicles are low earth orbits, which cover an altitude range low enough for residual air drag to be sufficient to help keep the zone clear.
"Although I still have serious misgivings about the systemd upstream’s attitude, I’ve got to say I find the system rather refreshing and useful in practice."
http://wiki.eveuniversity.org/Scams_in_EVE_Online#The_Margin...