"Maybe," Sapphire replied. "Or perhaps your magic is pulling metallic dust out of the dirt, and using it. Ultimately, the individual differences are minimal, as long as the end result is the same."
Thinking for a moment, David considered what he knew of science from his own world. "So you are suggesting that matter cannot be created or destroyed; only changed?"
"Exactly. That actually sounds very similar to one of the first things my mother taught me about conjuration. Has she explained this to you already?"
"No," David replied apologetically. "We did not discuss the theory of conjuration to that degree of detail. That is a scientific principle from my world, called 'Conservation of Energy'."
David then spent the next two hours explaining science to Sapphire, which was actually a more
