Atomic bombings of Hiroshima and Nagasaki - Wikipedia
WEBOn 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.
Atomic Bomb: Nuclear Bomb, Hiroshima & Nagasaki ‑ HISTORY
WEBSep 6, 2017 · An atomic bomb, codenamed "Little Boy," was dropped over Hiroshima Japan on August 6, 1945. The bomb, which detonated with an energy of around 15 kilotons of TNT, was the first nuclear...
Nuclear explosion - Wikipedia
WEBThe first manmade 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. [3] [4] The event involved the full-scale testing of an implosion-type fission atomic bomb.
The Most Fearsome Sight: The Atomic Bombing of Hiroshima
WEBAt 2:45 a.m. on Monday August 6, 1945, three American B-29 bombers of the 509th Composite Group took off from an airfield on the Pacific island of Tinian, 1,500 miles south of Japan. Colonel Paul Tibbets piloted the lead bomber, “Enola Gay,” which carried a nuclear bomb nicknamed “Little Boy.”
Atomic bomb | History, Properties, Proliferation, & Facts
WEBAug 25, 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.
Bombing of Hiroshima and Nagasaki - HISTORY
WEBNov 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. The explosion immediately...
atomic bombings of Hiroshima and Nagasaki - Encyclopedia Britannica
WEBAug 25, 2024 · atomic bombings of Hiroshima and Nagasaki, during World War II, American bombing raids on the Japanese cities of Hiroshima (August 6, 1945) and Nagasaki (August 9, 1945) that marked the first use of atomic weapons in war. Tens of thousands were killed in the initial explosions and many more would later succumb to radiation poisoning.
How Nuclear Bombs Work - HowStuffWorks
WEBMar 1, 2022 · In 2009, the North Koreans successfully tested a nuclear weapon as powerful as the atomic bomb that destroyed Hiroshima. The underground explosion was so significant that it created an earthquake with a magnitude of 4.5 [source: McCurry ].
Science Behind the Atom Bomb - Nuclear Museum
WEBJun 5, 2014 · The immense destructive power of atomic weapons derives from a sudden release of energy produced by splitting the nuclei of the fissile elements making up the bombs’ core. The U.S. developed two types of atomic bombs during the Second World War.
How understanding nature made the atomic bomb inevitable - Science News
WEBAug 6, 2020 · Nuclear fission — the source of the bomb’s energy — was discovered in 1938, less than seven years before Hiroshima. But the science behind nuclear energy originated decades earlier. You could...