The world's first atomic bomb had been detonated. ... After Japanese leaders flatly rejected the Potsdam Declaration, President Truman authorized use of the atomic bomb anytime after August 3, ...

The United States concealed its project to develop an atomic bomb under the name "Manhattan Engineer District." ... Dropping the First Atomic Bomb ... Demaging Effects of the Atomic Bomb

atomic bomb – Facts about atomic bomb, Pictures, Video and atomic bomb Information at Encyclopedia.com: a free, credible collection of encyclopedias.

atomic bomb – Facts about atomic bomb, Pictures, Video and atomic bomb Information at Encyclopedia.com: a free, ... Find more facts and information on our topic page about atomic bomb

March 11, 2006. I recently learned some of this, some has been old info to me. I thought it would be of interest to your readers to think the following over. It originally was a reply to a private ...

On 6 August 1945 the United States exploded an atomic bomb over Hiroshima and revealed to the world in one blinding flash the start of the atomic age.

Dr Hideki Yukawa was awarded the Nobel Price in physics in 1949 for his extensive work with the atom begun in 1941. An atomic bomb project as launched by Prime Minister Hideki Tojo in January, 1943.

In 1939, the Nazis were rumored to be developing an atomic bomb. The United States initiated its own program under the Army Corps of Engineers in June 1942. America needed to build an atomic weapon ...

Atomic bomb - or A-bomb, weapon deriving its explosive force from the release of atomic energy through the fission (splitting) of heavy nuclei (see nuclear energy). The first atomic bomb was...