Core City
"Judging by the lack of other possible targets for your query, it is 87% likely your query is directed at SR-47. In that event, the answer is that this encryption is four-dimensional terraflop encryption. Time is part of the encryption. Though I am capable of processing the three-dimensional aspects much faster than this, I must also enter the security code at the precise time. I cannot estimate the amount of time left because-"
The rotating stops and the code jack retracts. "The sequence is complete. Please follow me." True to his word, the door slides up into the ceiling and SR-47 clanks through. Immediately he climbs a stairway that switches back on itself four times before reaching another door. Once again he extends his jack. As the rotating interface begins to move, the door below hisses shut with an ominous thunk.