Spin glasses are a type of disordered magnetic material where the magnetic moments, or "spins," of the atoms are frozen in a random arrangement. Unlike regular magnets, where spins align uniformly, spin glasses exhibit a complex landscape of interactions, leading to frustration and competing magnetic forces. This results in a system that does not settle into a single stable state. These materials are important in the study of statistical mechanics and condensed matter physics. They help researchers understand phenomena like phase transitions and complex systems. Spin glasses also have applications in information theory and neural networks, where their properties can model certain types of data processing.