Most magnets have two poles: north and south, or positive and negative, in a familiar arrangement called a "dipole." But researchers are increasingly uncovering more complex forms of magnetism.
Physicists identify 'octupolar' magnetism, with implications for quantum technologies
Most magnets have two poles: north and south, or positive and negative, in a familiar arrangement called a "dipole." But researchers are increasingly uncovering more complex forms of magnetism.