This is the first time we see Lt. Uhura's quarters in the series. The other time is in Star Trek: Elaan of Troyius
(1968), when the room was occupied by Elaan, Dolman of Elas, on the way to her wedding. See more
It's obviously a stand-in for Scott, and not James Doohan
, whom the mad crewman jumps down upon in the Engine Room. See more
I don't understand what's so special about this region of space.
Picture it this way, Mr. Chekov: we exist in a universe which co-exists with a multitude of others in the same physical space. At certain brief periods of time, an area of their space overlaps an area of ours. That is the time of interphase, during which we can connect with the Defiant's universe.
Mr. Spock? We WILL be able to retrieve the Captain at that time... won't we?
Yes. However, the dimensional structure of each universe ...