👉 Impossible math refers to mathematical problems or concepts that defy conventional logic and standard mathematical principles, often leading to contradictions or paradoxes. One classic example is the Banach-Tarski paradox, which states that a solid ball in 3D space can be divided into a finite number of non-overlapping pieces and reassembled into two identical copies of the original ball, seemingly violating the conservation of volume. Another example is the Hilbert's Hotel paradox, where a hotel with infinitely many rooms, all occupied, can accommodate an infinite number of new guests by shifting each guest to the next room, leaving the first room vacant. These scenarios highlight the limitations and counterintuitive nature of infinite sets and space, challenging our understanding of basic mathematical axioms.