Hermann von Helmholtz Quote

There can no longer be any doubt that light waves consist of electric vibrations in the all-pervading ether, and that the latter possesses the properties of an insulator and a magnetic medium.


In: Heinrich Rudolph Hertz, The Principles of Mechanics, Presented in a New Form, Preface (p. xvi)


There can no longer be any doubt that light waves consist of electric vibrations in the all-pervading ether, and that the latter possesses the...

There can no longer be any doubt that light waves consist of electric vibrations in the all-pervading ether, and that the latter possesses the...

There can no longer be any doubt that light waves consist of electric vibrations in the all-pervading ether, and that the latter possesses the...

There can no longer be any doubt that light waves consist of electric vibrations in the all-pervading ether, and that the latter possesses the...