Well, the knowledge gained from the balancing stones might be as impressive as learning the density of earth at the time, but I wonder how hard it would be to e

Well, the knowledge gained from the balancing stones might be as impressive as learning the density of earth at the time, but I wonder how hard it would be to explain "ice can evaporate without melting first, and everything is always faintly glowing with a type of warm light that you can't see, and can also cast shadows you can't see..."