How fast must something travel for it to be rendered invisible to the naked human eye? Is it possible to change eye colour naturally? How many colours can a human eye detect?
Ecotone, Inc is an ecological restoration company that provides full-delivery ecosystem restoration, mitigation, design, construction and consulting solutions throughout the United States.
Full Definition of OVERTONE. 1. a: one of the higher tones produced simultaneously with the fundamental and that with the fundamental comprise a complex musical tone: harmonic 1a b: harmonic 2.2.: the color of the light reflected (as by a paint).3.ull Definition of OVERTONE. 1. a: one of the higher tones produced simultaneously with the fundamental and that with the fundamental comprise a complex musical tone: harmonic 1a b: harmonic 2.