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...
While all electromagnetic waves are transverse, mechanical waves can be transverse or longitudinal, which brings us to our next type of wave. Longitudinal Waves. In a longitudinal wave, the particles of the medium move parallel to the wave's direction of travel.