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...
A mechanical wave is a vibration in matter that transfers energy through a material. Mechanical waves have peaks and troughs, frequencies, and wavelengths. Frequency is the number of waves per second, and wavelength is the distance from one peak to the next. A mechanical wave is created by putting energy into it.