Nature of Light Waves and Particle Waves

Light waves, including radio waves, microwaves, gamma rays, x-rays, and invisible light, are always traveling waves that can cross empty space at the speed of light with any frequency. On the other hand, particles like electrons can both travel and stand, allowing them to move or stop, unlike photons which always travel as they cannot stop in empty space. Electrons can have energy in their mass while photons only have energy of motion.