Waves
Waves are the transport of energy without the transport of matter. which means, a wave can be described as a disturbance that travels through a medium, transporting energy from one location to another location without transporting matter.
Waves can also come in different ways for example there are Microwaves, Gamma waves, X-rays ,Radio waves, and ultraviolet waves.
Waves can be found in different ways and forms some can even be stronger than others For example Gamma rays happen to be the strongest forms of ways out there.