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Il y a 1 jour · After four years of intensive and ever-mounting research and development efforts, an atomic device was set off on July 16, 1945, in a desert area near Alamogordo, New Mexico, generating an explosive power equivalent to that of more than 15,000 tons of TNT. Thus the atomic bomb was born.
Il y a 2 jours · The first atomic bomb was detonated on July 16, 1945, in New Mexico as part of the U.S. government program called the Manhattan Project. The United States then used atomic bombs on Hiroshima and Nagasaki in Japan on August 6 and 9, respectively, killing about 210,000 people.
- The Editors of Encyclopaedia Britannica
Il y a 2 jours · J. Robert Oppenheimer (born Julius Robert Oppenheimer; / ˈɒpənhaɪmər / OP-ən-hy-mər; April 22, 1904 – February 18, 1967) was an American theoretical physicist who served as the director of the Manhattan Project 's Los Alamos Laboratory during World War II.
Il y a 1 jour · Hiroshima, city, capital of Hiroshima prefecture, southwestern Honshu, Japan. It was founded as a castle town in the 16th century and lies at the head of Hiroshima Bay, an embayment of the Inland Sea. On August 6, 1945, Hiroshima became the first city in the world to be struck by an atomic bomb.
Il y a 2 jours · In August 1945, the atomic bombings of Hiroshima and Nagasaki were conducted by the United States, with British consent, against Japan at the close of that war, standing to date as the only use of nuclear weapons in hostilities.
Il y a 2 jours · The Atomic Bomb Survivors Relief Law defines hibakusha as people who fall into one or more of the following categories: within a few kilometers of the hypocenters of the bombs; within 2 km of the hypocenters within two weeks of the bombings; exposed to radiation from fallout; or not yet born but carried by pregnant women in any of ...
Il y a 5 jours · The detonation of atomic bombs over the Japanese cities of Hiroshima and Nagasaki in August 1945 resulted in horrific casualties and devastation. The long-term effects of radiation exposure...
