The first nuclear test was carried out by the US ... The US hydrogen bomb explosion in 1952 Archive news footage of the blast shows observers watching from military boats about 50km away.

The first atomic bomb test in New Mexico was on July 16, 1945 and on August 6, 1945 Little Boy was detonated above Hiroshima. After WWII he became chief adviser to the newly-created Atomic Energy ...

Photo: Atomic bomb test explosion in Alamagordo, New Mexico, July 16, 1945. AP/Wide World Photos In 1932, James Chadwick discovered the neutron, a small atomic particle with mass but no charge.

2. At 0530, 16 July 1945, in a remote section of the Alamogordo Air Base, New Mexico, the first full-scale test was made of the implosion type atomic fission bomb. For the first time in history ...