Not to be confused with Genus. For other uses, see Genius (disambiguation). A genius is a person who displays exceptional intellectual ability, creative productivity, universality in genres or originality, typically to a degree that is associated with the achievement of new advances in a domain of knowledge.
Mechanical waves need matter to transfer energy, while electromagnetic waves do not, they can travel through space, or a vaccum. Electromagnetic waves include the electromagnetic spectrum...
Answer. Mechanical waves require a medium, such as air, to travel through. An example of a mechanical wave is a sound wave, which requires air to travel. Electromagnetic waves do not need a medium to travel through, as they travel through radiation. An example of an electromagnetic wave is ultraviolet light, which can even travel through the empty vacuum of space. Tabitha Farrant.