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...
Report Abuse. Here's a few differences: Electromagnetic waves travel at the speed of light, mechanical waves travel at or below the speed of sound in the medium through which they're traveling. Mechanical waves can only flow through matter, EM waves can travel through free space (and through matter, as well).