Детлаф А. А., Яворский Б. М. Курс физики (в трех томах): Учебное пособие.— 3-е изд., перераб. и доп.—М.: Высш. школа, 1979, т. III: Волновые процессы....
The discovery of the quantum—the idea, born in the early 1900s in a remote corner of physics, that energy comes in finite packets instead of infinitely divisible quantities—planted a rich set of metaphors in the popular imagination.
Quantum...