Even originally well-defined pencils of cathode rays from the Sun cannot reach the Earth. For Birkeland's theories to be correct, the existance… — Arthur Schuster Copy Share Image
One of the principal obstacles to the rapid diffusion of a new idea lies in the difficulty of finding suitable expression to convey its… — Arthur Schuster Copy Share Image
Even originally well-defined pencils of cathode rays from the Sun cannot reach the Earth. For Birkeland's theories to be correct, the existance of such… — Arthur Schuster Copy Share Image
In the expressions we adopt to prescribe physical phenomena we necessarily hover between two extremes. We either have to choose a word which implies… — Arthur Schuster Copy Share Image
