The SciencesNovember 1, 1934
The Ether: Riddle of the Ages
The Original Concept of the Ether Has Been Altered So Many Times, As a Result of Experimental Evidence Which Has Forced Its Modification, That It Is Now Whittled Down to Next to Nothing. We Still Use the Same Word, "Ether," But the Thing Signified Is Quite Different—Even If An Ether Exists At All.