In which year first nuclear bomb was dropped?

The atomic bomb and nuclear bombs are powerful weapons that use nuclear reactions as their source of explosive energy. Scientists first developed nuclear weapons technology during World War II. Atomic bombs have been used only twice in war—both times by the United States against Japan at the end of World War II, in Hiroshima and Nagasaki. A period of nuclear proliferation followed that war, and during the Cold War, the United States and the Soviet Union vied for supremacy in a global nuclear arms race. Nuclear Bombs and Hydrogen Bombs A discovery by nuclear physicists in a laboratory in Berlin, Germany, in 1938 made the first atomic bomb possible, after Otto Hahn, Lise Meitner and Fritz Strassman discovered nuclear fission. In nuclear fission, the nucleus of an atom of radioactive material splits into two or more smaller nuclei, which causes a sudden, powerful release of energy. The discovery of nuclear fission opened up the possibility of nuclear technologies, including weapons. Atomic bombs get their energy from fission reactions. Thermonuclear weapons, or hydrogen bombs, rely on a combination of nuclear fission and nuclear fusion. Nuclear fusion is another type of reaction in which two lighter atoms combine to release energy. Manhattan Project On December 28, 1942, President The Manhattan Project was the code name for the American-led effort to develop a functional atomic bomb during Who Invented the Atomic Bomb? Much of the work in the Manhattan Project was performed i...

The crew of the Boeing B-29 bomber, Enola Gay, which made the flight over Hiroshima to drop the first atomic bomb. Left to right kneeling; Staff Sergeant George R. Caron; Sergeant Joe Stiborik; Staff Sergeant Wyatt E. Duzenbury; Private first class Richard H. Nelson; Sergeant Robert H. Shurard. Left to right standing; Major Thomas W. Ferebee, Group Bombardier; Major Theodore Van Kirk, Navigator; Colonel Paul W. Tibbetts, 509th Group Commander and Pilot; Captain Robert A. Lewis, Airplane Commander. Nagasaki was a shipbuilding center, the very industry intended for destruction. The bomb was dropped at 11:02 a.m., 1,650 feet above the city. The explosion unleashed the equivalent force of 22,000 tons of TNT. The hills that surrounded the city did a better job of containing the destructive force, but the number killed is estimated at anywhere between 60,000 and 80,000 (exact figures are impossible, the blast having obliterated bodies and disintegrated records). READ MORE: General Leslie R. Groves, the man responsible for organizing the READ MORE ABOUT THE BOMBINGS OF HIROSHIMA AND NAGASAKI:

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“For this reason I order the minister of defence and the chief of general staff to put deterrent forces on special combat duty.” While this doesn’t mean Russia plans to use its nuclear weapons, Putin’s announcement has been condemned by global leaders and organisations, including NATO members and the UN. The order has raised questions among the public over how many nuclear bombs have been used in the past. • Photo by DANIEL LEAL/AFP via Getty Images Have nuclear bombs been used in war? Yes, nuclear weapons have been used in war before – both times The first atomic bomb was dropped in Hiroshima on August 6th, 1945. It instantly killed 80,000 people and thousands more died due to radiation exposure. The second bomb, which was dropped on Nagasaki three days later, killed 40,000 people. In total, 135,000 people have died as a result of the two bombs. • Where have they been used before? Although nuclear weapons have only been used twice in warfare, about 13,400 remain in our world today, according to the At least eight nations have conducted about 2,056 nuclear tests to this date at dozens of sites around the world. The sites include Lop Nor in China, the South Atlantic, Semipalatinsk in Kazakhstan and different sites across Russia. Photo by Beata Zawrzel/NurPhoto via Getty Images How many nuclear weapons does Russia have? According to statistics, Russia has the most nuclear weapons in the world, which currently stands at 6,257. The US follows with 5,550, China with 350, France...

• العربية • Asturianu • Azərbaycanca • Български • Català • Čeština • Dansk • Deutsch • Eesti • Español • Esperanto • Euskara • فارسی • Français • Frysk • 한국어 • Bahasa Indonesia • Íslenska • Italiano • עברית • Jawa • Lëtzebuergesch • Magyar • മലയാളം • Nederlands • 日本語 • Norsk bokmål • Polski • Português • Română • Русский • Simple English • Slovenčina • Српски / srpski • Suomi • Svenska • Türkçe • Українська • West-Vlams • 中文 This article is about the bomber. For other uses, see Enola Gay Enola Gay 's cockpit before taking off for the Type Manufacturer Manufactured 18 May 1945 Serial 44-86292 Radio code Victor 12 (later changed to Victor 82) Owners and operators In service 18 May 1945 – 24 July 1946 Preserved at The Enola Gay ( ə ˈ n oʊ l ə/) is a Enola Gay participated in the second nuclear attack as the weather reconnaissance aircraft for the primary target of After the war, the Enola Gay returned to the United States, where it was operated from In the 1980s, veterans groups engaged in a call for the Smithsonian to put the aircraft on display, leading to an acrimonious debate about exhibiting the aircraft without a proper historical context. The cockpit and nose section of the aircraft were exhibited at the World War II [ ] Early history [ ] The Enola Gay (Model number B-29-45-MO, Enola Gay 's bomb bay On 5 August 1945, during preparation for the first atomic mission, Tibbets assumed command of the aircraft and named it after his mother, Enola Gay Tibbets, who, in turn, ...

It's been 75 years since the world's first nuclear bomb was dropped, wiping out half of the population of Hiroshima, a city in Japan. In the unprecedented event, which took place at 8.15am local time on August 6, 1945, American pilots aboard a US B-29 bomber unleashed the equivalent of 12,500 tons of TNT in a bomb that was more than 2,000 times as powerful as the largest bomb ever used before. But what has changed in the last 75 years? What have the lessons of the end of World War II taught modern leaders about the dangers of nuclear power? And do the images from that fateful day in 1945 mean nobody will be willing to use them ever again? The atom bomb in 1945, nicknamed "Little Boy", reached temperatures of On August 9, a second atom bomb, nicknamed "Fat Man" was dropped on the city of Nagasaki, killing 40,000 people immediately, with tens of thousands of others dying in the aftermath. In total, Although the war in Europe had concluded in May 1945, it had continued in the Pacific theatre. The dropping of the two atom bombs is credited by many historians with bringing the war to an end. The use of the atom bombs not only had an immediate impact on Japan itself but cast a much longer shadow for decades to come on the nature of conflict. That long shadow is as relevant today as it ever has been. Some survivors Professor Rana Mitter, of Oxford University, who specializes in the history of China and Japan says the use of the atom bombs had a profound impact not only on how Jap...

The Battle of Okinawa was a turning point in the Second World War. (Image credit: Getty/ Keystone / Stringer) By the summer of 1945, World War II had raged across several continents for six years, beginning when German forces invaded Poland in 1939. To a world grown weary of death and destruction, the surrender of Nazi Germany on May 8, 1945, was welcome news. Japan, however, vowed to fight to the very end. Their resolve was evident in the battles of Iwo Jima and Okinawa, both of which saw huge U.S. casualties. By June 1945, the U.S. military had lost more than 12,000 soldiers and Japan's military suffered more than 90,000 deaths — plus the loss of an estimated 100,000 Japanese civilians according to the National WW2 Museum. Against this backdrop, Allied forces drew up plans for Operation Downfall, a large-scale invasion of Japan, according to The Imperial War Museum. But with Allied casualties from an invasion estimated to reach 1 million deaths — plus another 10 million Japanese casualties, including civilians — Allied planners searched for another way to end the war, which they found in the Manhattan Project. The Manhattan Project Concerned over reports that Nazi Germany was developing a new type of weapon using radioactive uranium, in 1939 U.S. government officials began to investigate the potential of uranium— particularly the uranium-235 isotope — for making a powerful nuclear bomb, according to the World Nuclear Association. Within a matter of months, a coalition of...