The only kind of wave that does not need a solid, liquid, or gas medium to pass through is an electromagnetic wave.

Here's why:

* Electromagnetic waves are made up of oscillating electric and magnetic fields. These fields can exist and propagate even in the vacuum of space, where there are no particles to vibrate.

* Mechanical waves (like sound waves, water waves, or seismic waves) require a medium to travel. They work by transferring energy through the vibrations of particles in the medium.

Examples of electromagnetic waves include:

* Light (visible, ultraviolet, infrared)

* Radio waves

* Microwaves

* X-rays

* Gamma rays