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Sep 6, 2017 · Learn about the development, use and impact of nuclear weapons in World War II and the Cold War. Explore the science, politics and consequences of the atomic bomb and hydrogen bomb.
- Missy Sullivan
- 1 min
Apr 17, 2024 · 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
- What led to the Manhattan Project?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...
- Who were the most important scientists associated with the Manhattan Project?American physicist J. Robert Oppenheimer headed the Manhattan Project, with the goal of developing the atomic bomb, and Edward Teller was among the...
- What did the Manhattan Project do?The Manhattan Project produced the first atomic bomb. Several lines of research were pursued simultaneously. Both electromagnetic and fusion method...
- What were the immediate and long-term results of the Manhattan Project?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...
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Learn how the bomb was invented, used and shaped the world in this documentary series. Explore the scientific, political, cultural and moral aspects of the most destructive invention in human history.
Learn how and why the US dropped the first atomic bomb on Hiroshima in 1945, and what happened to the city and its people after the explosion. Explore the historical context, the scientific development, and the human impact of the most feared weapon of war.
- Malloryk
Mar 28, 2024 · atomic bomb, weapon with great explosive power that results from the sudden release of energy upon the splitting, or fission, of the nuclei of a heavy element such as plutonium or uranium.
On 6 and 9 August 1945, the United States detonated two atomic bombs over the Japanese cities of Hiroshima and Nagasaki. The bombings killed between 129,000 and 226,000 people, most of whom were civilians, and remain the only use of nuclear weapons in an armed conflict.
