Nuclear explosion debris. The first man made nuclear explosion occurred on July 16, 1945 at 5:50 am on the Trinity Test Site near Alamogordo, New Mexico in the United States, an area now known as the White Sands Missile Range. The event involved the full-scale testing of an implosion-type fission atomic bomb. In a memorandum to the U.S. Secretary of War, General Leslie Groves describes the yield as equivalent to 15,000 to 20,000 tons of TNT. Following this test, a uranium-gun type nuclear bomb (Little Boy) was dropped on the Japanese city of Hiroshima on August 6, 1945, with a blast yield
Hiroshima National Peace Memorial Hall for the Atomic Bomb Victims Hiroshima National Peace Memorial Hall for the Atomic Bomb Victims Hiroshima National Peace Memorial Hall for the Atomic Bomb Victims is one of the National Memorial Halls in Hiroshima, Japan. The Hall was founded by the Japanese national government to mourn the atomic bomb victims in 2002. It was designed by Kenzo Tange. There is another National Peace Memorial Hall for the Atomic Bomb Victims in Nagasaki built for the same purpose. The Hall is in Hiroshima Peace Memorial Park near Hiroshima Peace Memorial across the "Motoyasu River" by "Motoyasu Bridge". The Hall curators are collecting atomic bomb memories and