Discusses lost nuclear weapons, the power of an atomic bomb, the bombing of Hiroshima and Nagasaki, the development of the atomic bomb, the making of the hydrogen bomb, the detonation of a hydrogen bomb by Russia in 1961, and the status...

Describes the history of the invention of the atomic bomb, its use in World War II against Japan, the impact on people who were targetted by it, the immediate and long-term impact on generations of people, the effect on communications,...

Discusses the Manhattan Project of the United States which worked on developing nuclear weapons during World War II. It led to the two atomic bombs that were dropped on Japan in August 1945, ending the war with Japan.

This detailed chronology of the events and communication of 1945-1946 shows Truman's role in the process of the decision to drop the world's first atomic bomb used in warfare upon Hiroshima and then the second upon Nagasaki. Also...

Provides general information about the Manhattan Project group during World War II, and their involvement with the atomic bomb.

Here is the story of the first ever atomic bomb, beginning with early scientific ideas, leading up to the success of this weapon.

This site has information about the bombings of Nagasaki and Hiroshima. The information is detailed and in depth. Contains many links to related sites.

Outlines the devastation the atomic bomb had on Hiroshima and Nagasaki, Japan.

The atomic bomb dropped on Hiroshima had lasting and far reaching effects on all mankind! Learn about a young girl, Sadako, and her paper cranes as well as the Kids Peace Movement and building of the Hiroshima Peace Memorial Museum for...

Article describes military power in an atomic age and perception at home and abroad during the 1950s.

This is a short biography of J. Robert Oppenheimer provided by a personal site from Doug Long. Included is a quote of his reaction to the use of the atomic bomb several years after the war.

This illustrated document from the AMERICAN EXPERIENCE Web site examines the "zones of destruction" caused by nuclear weapons.

Credited with the creation of the atomic bomb, Robert Oppenheimer opposed the development of the hydrogen bomb. Read about Oppenheimer's education and involvement in the atomic explosions, which "changed the world forever."

This site from PBS provides biographical information about J. Robert Oppenheimer, and his involvement with the atomic bomb.

Enrico Fermi was a titan of twentieth-century physics. He outlined the statistical laws that govern the behavior of particles that abide by the Pauli exclusion principle and developed a theoretical model of the atom in his mid-twenties....

This biography from the encyclopedia Wikipedia of physicist Robert Oppenheimer discusses his education, his creation of the atomic bomb, and later, his opposition to the use of the bomb.

A special feature on Einstein from the BBC, in Spanish. Follow Einstein's life, including his role in the development of the atomic bomb; learn about the impact and practical applications of his work; or watch a speech he gave in 1950...

From the Mad Scientist Network web site. Using a question and answer format, this page describes some potential effects of a nuclear explosion. The possibilities of tidal waves, earthquakes and radiation-related damages are discussed.

This biography of the physicist Richard Feynman surveys his contributions to the development of the atomic bomb as well as his work on quantum electrostatics.

At this site from Nuclearfiles.org you can read a biography of J. Robert Oppenheimer and about his career as a scientist and his important involvement with the Manhattan Project and Atomic Energy Commission.

[Free Registration/Login Required] Documents by Manhattan Project scientists expressing their concern about nuclear weapons after the bombings in Japan.

Site from Yale provides detailed information about the radiation sickness that swept through the bombed areas of Japan after WWII. Detailed and thorough analysis.

A wonderful PBS biography of a great man. This contains many personal touches, yet does a fine job of describing Bohr's scientific work. But it's best at Bohr the man. Nice quotes, one in the middle, one at the end.

Looks at the nuclear arms race in the 1950s as the United States and the USSR both stockpiled nuclear weapons. Includes 1951 propaganda video showing schoolchildren how to 'Duck and Cover' in the event of a nuclear attack. [9:15]