[Video]
Yes, well, person really. [Cause he may know a few people but he's not really attached to them like he is Aidan. Or so he thinks.]
It's the thing that brought us here to begin with. Given the name I take it it also keeps the whole time-space continuum in balance once we're here. Apparently it malfunctions sometimes and people are lost. Not a very comforting thought, but that's about as much as I know.