The temporal inertia effect:
prevents visits either to the future or to any date later than about one million BC;
"'...causes great uncertainty about arrival dates...'" (p. 145) so that expeditions arrive millennia apart.
Built-up stresses in the continuum:
cause whatever is sent back to return to a moment after its departure time after spending only thirty hours in the past;
prevent the bringing back of any matter other than what was sent.
That is one big list of limitations, man, but it is just for this one story.
Kaor, Paul!
ReplyDeleteIn a way, tho, those limitations make "The Little Monster" a more plausible time traveling story than the ones in the Time Patrol series.
Ad astra! Sean