Electromagnetic traps are devices that use electromagnetic fields to capture and hold charged particles, such as ions or electrons. These traps can manipulate particles by creating a potential well, allowing scientists to study their properties in a controlled environment. They are commonly used in fields like atomic physics and quantum computing. One well-known type of electromagnetic trap is the Paul trap, which utilizes oscillating electric fields to confine ions. Another example is the Penning trap, which combines magnetic and electric fields for particle confinement. These traps are essential tools for advancing research in various scientific disciplines.