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...
Light wave-A light wave is a special type of electromagnetic wave that has a frequency in the visible spectrum. Longitudinal-A longitudinal wave is a wave where the disturbance travels in the same direction as the wave. Sound waves are longitudinal. Mechanical Waves-A mechanical wave is a wave that must travel through some sort of matter called a medium. Mechanical waves cannot travel through a vacuum like outer space. Medium-The medium is the matter that a wave travels through.