How do electromagnetic waves form and travel?

Electromagnetic waves are created when an electric field changes, creating a magnetic field, which in turn induces a changing electric field. This continuous process allows the wave to propagate through space. Unlike sound or mechanical waves, electromagnetic waves do not require a medium—they can travel through a vacuum. Light, radio waves, X-rays, and microwaves are all types of electromagnetic waves, differing only in wavelength and frequency. These waves carry energy and information, making them crucial for communication, medicine, and many everyday technologies.