Atomic Theory and StructureEarly Ideas about Matter: From Democritus to Dalton

by Anthony Carpi, Ph.D.

Further Exploration

Dalton's Atomic Theory

F. Senese, Frostburg State U. - From General Chemistry Online, a summary of Dalton's work.

From Democritus to Dalton

J. Park, ChemTeam - An excellent tutorial on early atomic theory.

Matter

F. Senese, Frostburg State U. - From General Chemistry Online, elements, mixtures and compounds.

Where Does Matter Come From?

M. Gleiser - A short essay on the origin of matter from the PBS program Stephen Hawking's Universe.

Biography

Democritus Biography

From the Internet Encyclopedia of Philosophy (IEP).

Democritus
Democritus

John Dalton
John Dalton

Classics

A New System of Chemical Philosophy

J. Dalton - 1808 paper introducing his chemical theory. 

News & Events

Creating Matter

U. Colorado

Antimatter

ScienceDaily

Current Science News

News from around the world of science.

Research

Cosmic X-Rays Reveal Evidence for New Form of Matter

NASA - Data from Chandra Observatory on dense matter.

Google Scholar

Google - Research database allows searching of the scholarly literature.

By convention there is color, by convention sweetness, by convention bitterness, but in reality there are atoms and space.
—Democritus
460-371 b.c.