Alfred North Whitehead Quote

Physics refers to ether, electrons, molecules, intrinsically incapable of direct observation.


The Principle of Relativity with Application to Physical Science (p. 62), The University Press. 1922


Physics refers to ether, electrons, molecules, intrinsically incapable of direct observation.

Physics refers to ether, electrons, molecules, intrinsically incapable of direct observation.

Physics refers to ether, electrons, molecules, intrinsically incapable of direct observation.

Physics refers to ether, electrons, molecules, intrinsically incapable of direct observation.