Card fans are a visual display created by spreading playing cards in an arc. Originating from the world of magic and illusion, this technique requires both manual dexterity and a deep understanding of the physical properties of playing cards. A well-executed card fan can showcase either the uniform back design or the unique faces of a deck, depending on its orientation. The artistry involved in creating card fans has captured the attention of audiences worldwide, leading to its incorporation into diverse fields such as theatrical performances and advertising campaigns. Variations have emerged over time – some performers have even developed methods to fan an entire deck in one hand – reflecting continual innovation within this niche but captivating discipline. Card fans, therefore, represent not just a sleight of hand trick but a fascinating intersection between physics, aesthetics, and performance art.