Now, I don’t care about dust, and the makeup of the rings of Saturn is entirely irrelevant to my life. But that writer had me turning pages like a speed-reader.” Mysteries are powerful, Cialdini says, because they create a need for closure. “You’ve heard of the famous Aha! experience, right?” he says. “Well, the Aha! experience is much more satisfying when it is preceded by the Huh? experience.” By creating a mystery, the writer-astronomer made dust interesting.