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A Concise History of Thermodynamics
Excerpt from a biography of Gibbs, and a translation of Carnot's 1824 paper.
http://www.thermohistory.com/
Atomic Archive
This site explores the complex history surrounding the invention of the atomic bomb
http://www.atomicarchive.com/
The Invention of Knowledge
The connections between the sciences and the arts with emphasis on physics. A prediction on where to look for the next great theories in physics.
http://www.artifacts.com
The Nuclear Files
Most comprehensive and user friendly online tool to explore the political and ethical dilemmas of the Nuclear Age. A citizen guide to create a saner and more peaceful world. Classroom use encouraged.
http://www.NuclearFiles.org/
Timeline of Physics (1896 to present)
American Physical Society site explores developments in physics in the 20th century, along with their historical context.
http://www.timeline.aps.org/