US Department of Energy
Us Dept of Energy: Nuclear Age Timeline
This site is a comprehensive timeline of the history of the nuclear age, from the discovery of radioactivity to the cleanup of nuclear weapons.
American Museum of Natural History
American Museum of Natural History: Nuclear Power O Logy Card
OLogy cards are like virtual baseball cards about all kinds of science topics. This card is about nuclear power. See if you can answer a few questions when you're done reading.
Other
Aip: Einstein Image and Impact
A major exhibition that presents nine sections of in-depth information on aspects of Einstein's life.