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Sep 6, 2017 · On August 6, 1945, the United States dropped its first atomic bomb from a B-29 bomber plane called the Enola Gay over the city of Hiroshima, Japan. The “Little Boy” exploded with about 13...
- Missy Sullivan
- 1 min
The first atomic bomb was built in Los Alamos, New Mexico, during World War II under a top secret U.S. government program called the Manhattan Project. Los Alamos was approved as the site for the main atomic-bomb scientific laboratory on November 25, 1942, by Brigadier General Leslie R. Groves and physicist J. Robert Oppenheimer.
Oct 28, 2024 · The first atomic bomb was exploded at 5:30 am on July 16, 1945, at the Alamogordo air base 120 miles (193 km) south of Albuquerque, New Mexico. Oppenheimer had called the site “Trinity” in reference to one of John Donne ’s Holy Sonnets.
- The Editors of Encyclopaedia Britannica
- In 1939, American scientists, many of whom had fled from fascist regimes in Europe, were aware of advances in nuclear fission and were concerned th...
- American physicist J. Robert Oppenheimer headed the Manhattan Project, with the goal of developing the atomic bomb, and Edward Teller was among the...
- The Manhattan Project produced the first atomic bomb. Several lines of research were pursued simultaneously. Both electromagnetic and fusion method...
- Although many physicists were opposed to the actual use of the atomic bomb created by the Manhattan Project, U.S. President Harry S. Truman believe...
Oct 12, 2024 · The first atomic bomb, named Little Boy, was dropped on Hiroshima from the Enola Gay, a B-29 bomber, at 8:15 AM on August 6, 1945. The second bomb, named Fat Man, was dropped on Nagasaki from the Bockscar, also a B-29 bomber, at 11:02 AM on August 9, 1945.
- The Editors of Encyclopaedia Britannica
- The atomic bombings of Hiroshima and Nagasaki were American bombing raids on the Japanese cities of Hiroshima and Nagasaki during World War II, whi...
- American physicist J. Robert Oppenheimer headed the Manhattan Project to develop atomic bombs for the United States, and Edward Teller was among th...
- A number of factors contributed to the United States’ decision to drop atomic bombs on Japan. One reason was Japan’s unwillingness to surrender unc...
- The atomic bombings of Hiroshima and Nagasaki produced effects in Japan and around the world that changed the course of history. Tens of thousands...
Nov 18, 2009 · On August 6, 1945, during World War II (1939‑45), an American B‑29 bomber dropped the world’s first deployed atomic bomb over the Japanese city of Hiroshima, immediately killing 80,000...
On 6 and 9 August 1945, the United States detonated two atomic bombs over the Japanese cities of Hiroshima and Nagasaki, respectively. The bombings killed between 150,000 and 246,000 people, most of whom were civilians, and remain the only use of nuclear weapons in an armed conflict.
The Manhattan Project was a research and development program undertaken during World War II to produce the first nuclear weapons. It was led by the United States in collaboration with the United Kingdom and Canada. From 1942 to 1946, the project was directed by Major General Leslie Groves of the U.S. Army Corps of Engineers.
