Magnetic Dipole Radiation is Electromagnetic Radiation naturally
generated when a magnetized object is spun other than
in alignment with its Magnetic Field.
The magnetic field is constantly changing, thus
generating an electric field the two of which form
Electromagnetism waves. The effect is considered the means
by which Pulsars produce their "searchlight"
beams of Radio Waves.
The energy to create this radiation is from the
spin of the pulsar, which slows down over time.