So, yeah. That. Or This.

Some day I will learn not to get hard science in my fantasy. This duology? Ain't that.

And I'm trying to lead my characters where I need them to go, and none of them are scientists and the science isn't the point, the realization is the point, and so this morning I came up with the following:

( here be spoilers )

And I ask you, oh readers - does that make any sense, even without surrounding context? Does the handwaving convince you? Or have I just blown a lot of smoke up my own plot?