One way we can enliven the imagination is to push it toward the illogical. We're not scientists. We don't always have to make the logical, reasonable leap.
The use of travelling is to regulate imagination by reality, and instead of thinking how things may be, to see them as they are.
About seven years later I was given a book about the periodic table of the elements. For the first time I saw the elegance of scientific theory and its predictive power.