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
Nagasaki National Peace Memorial Hall for the Atomic Bomb Victims Nagasaki National Peace Memorial Hall for the Atomic Bomb Victims The is a commemorative monument in Nagasaki, Japan, situated next to its Atomic Bomb Museum. The Peace Park is nearby. Like its counterpart in Hiroshima, the hall was constructed as a place to remember and pray for those killed by the 1945 atomic bombing, with photos, and memoirs and personal accounts of the event. It also offers information on international co-operation and exchange activities concerning medical treatment for sufferers of nuclear accidents. Designed by architect Akira Kuryu, the memorial was constructed between November 2000 and December 2002. The subterranean interior