The terms theory and model are defined, and students learn how a theory remains valid. Atomic Theory: The Development of the Atomic Theory: The terms theory and model are defined, and students ...

Modern physics, and particularly the quantum theory — the discovery of Max Planck, the centennial of whose birth was celebrated last year —has raised a series of very general questions ...

Jennifer Rampling traces how ideas of material essence and indivisibility evolved in the centuries before modern atomic theory. Jennifer Rampling traces the evolution of ideas of material essence ...

Wrong! One of the strangest things modern atomic theory has shown us is that what we commonly take to be the world of solid objects is for the most part empty space. That's right.

But Lindley's precise detailing of the inception of modern atomic theory does not falter, and he leads the lay reader along with straightforward analogies.

Article Published: 28 May 1903 The Atomic Theory and the Development of Modern Chemistry P. J. HARTOG Nature 68, 82–84 (1903) Cite this article ...

A lecture on Axial Forces was lately given at Sandusky, Ohio, by Dr. Bronson. The lecture was intended to popularize the modern atomic theory of matter, and account for all the phenomenaof the ...

This article was originally published with the title “The Atomic Theory and the Development of Modern Chemistry” inSA Supplements Vol. 56 No. 1438supp(July 1903), p. 23043doi:10.1038 ...