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
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.