William Henry Bragg Quote

Light, properly so called, is only a narrowly defined part of a far greater phenomenon, that of radiation in general.... The lengths of [visible] light waves fall between close limits; but the rules of wave motion apply to the infinitesimal waves of X-rays on one hand and to the long radio waves on the other.


The Universe of Light (p. vi)

Picture Quote 1

Light, properly so called, is only a narrowly defined part of a far greater phenomenon, that of radiation in general.... The lengths of [visible]...

Picture Quote 2

Light, properly so called, is only a narrowly defined part of a far greater phenomenon, that of radiation in general.... The lengths of [visible]...

Picture Quote 3

Light, properly so called, is only a narrowly defined part of a far greater phenomenon, that of radiation in general.... The lengths of [visible]...

Picture Quote 4

Light, properly so called, is only a narrowly defined part of a far greater phenomenon, that of radiation in general.... The lengths of [visible]...