Parlor trick is something that looks interesting only as long as you make incorrect assumptions about how it's being done. For example, a card that seems to app

Parlor trick is something that looks interesting only as long as you make incorrect assumptions about how it's being done. For example, a card that seems to appear out of nowhere while in reality it is held behind the hand between little and index finger. Or a program that seems to engage in planning when in reality it simply iterates over all possible solutions.