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Atomic Bombs
Atomic bomb is an explosive device in which a large amount of energy is released through nuclear reactions. This makes an atomic bomb, more properly called a nuclear weapon, a much more powerful device than any conventional bomb containing chemical explosives. The first Atomic Bombs were used during World War 2 in 1945 by the US onto 2 Japanese cities.
2,042 Questions
Who dropped the atomic bomb in 1912-1945?
In 1945 the United States dropped two nuclear bombs on Japan. The first was dropped on Hiroshima on August 6, and the second was dropped on Nagasaki on August 9. They are the only two instances of a nuclear attack in human history.
Was there ever an atomic bomb dropped during the cold war?
Yes, many. But not in an attack on anyplace; just for test, troop training, and propaganda purposes. These real live bombs were dropped from airplanes from 1946 through 1962 by various nations deliberately. In some training exercises the troops were required to march over Ground Zero within hours of the shot.
There were also several launched on missiles to explode in space (but these technically did not drop). One of these space nuclear test shots actually caused a manned Gemini space mission to be postponed several days out of fear of exposure to radiation from that bomb captured by the earth's magnetic field.
And this does not count all the tower, balloon, underwater, underground, surface, cratering, etc. test shots done from 1945 to the present.
Answer:
As far as dropping real live nuclear weapons there were 32 incidents (in Military speak "Broken Arrows") where nuclear weapons were dropped or lost by accident. Six have never been recovered. These include:
- Date: July 27, 1956 Location: Suffolk, England
- Date: February 5, 1958 Location: Off Georgia, United States
- Date: February 28, 1958 Location: Greenham Common, England,
- Date: January 24, 1961 Location: Goldsboro, North Carolina, United States
- Date: July 4, 1961 Location: North Sea (Russian submarine)
- Date: December 5, 1965 Location: Pacific Ocean off the deck of the USS Ticonderoga.
- Date: Mid-1960s (Date undetermined) Location: Kara Sea Russian source
- Date: January 17, 1966 Location: Palomares, Spain
- Date: April 11, 1968 Location: Pacific Ocean (Near Oahu) Russian source
- Date: November 1969 Location: White Sea
- Date: April 12, 1970 Location: Atlantic Ocean Russian Source
- Date: November 22, 1975 Location: Off Sicily, Italy
- Date: October 3, 1986 Location: Atlantic Ocean 480 miles east of Bermuda. Russian Source
- Date: April 7, 1989 Location: Atlantic Ocean 300 miles north of the Norwegian coast, Russian source .
- Date: August 10, 1985 Location: Near Vladivostok, Russia
- Date: September 27, 1991 Location: White Sea Russian source
- Date: March 20, 1993 Location: Barents Sea
- Date: February 11, 1992 Location: Barents Sea
What big thing happened in Hiroshima?
The first atomic bomb was detonated on the city of Hiroshima, Japan
When did america drop atomic bomb on korea?
The US did not apply atomic weapons during the conflict but did use atomic bombs upon the Japanese cities of Hiroshima and Nagasaki during the second World War .
What is the difference between plutonium weapon and uranium weapons?
The obvious difference is a plutonium weapon uses plutonium as its fuel while a uranium weapon uses uranium as its fuel, however there are also composite weapons that use both as their fuel.
Plutonium, being produced in reactors has some degree of plutonium-240 and plutonium-241 as undesired contaminates that can cause a fizzle. So weapons made with plutonium must be assembled much more rapidly than uranium weapons. So uranium weapons can use either gun or implosion rapid assembly systems, but weapons using any amount of plutonium must use implosion rapid assembly systems.
How is nuclear fusion used in an atomic bomb?
fusion can be used in several ways:
- external electronic neutron sources, uses a miniaturized particle accelerator with tritium gas to produce a burst of neutrons to initiate fission at the best time for desired yield
- boosting, injects a controlled amount of deuterium and/or tritium gas into a hollow core, when the device is detonated this undergoes fusion producing a large burst of neutrons increasing the fission efficiency; this permits either a reduction in amount of fissile material required or an increase in yield or both; this also permits dial-a-yield bombs having selectable variable yield
- staged fusion, a bomb permitting unlimited theoretical yield; also commonly called the hydrogen bomb
How many atomic bombs have been used?
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How long feet were the atomic bombs?
The 2 atomic bombs used in WW2 were 10 feet long because this was the longest bomb that could fit in a B-29 bombbay.
How much was spent on the atomic bombs during World War 2?
The US spent 2 billion dollars on the Manhattan Project during WW2, almost all of this was on infrastructure not bombs themselves. Each of the bombs themselves probably cost on the order of a million dollars, although no exact costs have been declassified.
Why did the U.S. drop an atomic bomb on Hiroshima?
People believed that President Truman decided to drop the bomb because he wanted to quickly end the war.
What was the Japanese response to American use of atomic bombs?
At first the Japanese continued fighting but after the second bomb was dropped they surrendered ending this portion of WWII.
What color was the atomic bomb?
This question cannot be answered as written.
If you mean the physical bomb itself it was painted in a typical army color, but I don't recall seeing any photos or documents that would show the actual bomb used (they would still be classified unless touched up to obliterate certain external detail). Most likely a khaki. I have seen casings in museums painted khaki, brown, black, camo, and white.
If you mean the explosion that cannot be described as a color, it was blinding light covering the entire spectrum IR, visible, UVA, UVB, and soft x-rays. Similar to a black body spectrum for an object at a temperature of a few million degrees.
If you mean the mushroom cloud, that was a muddy brown/black with flickers of red and orange "flame" and enveloped in a multicolored ionization halo glow.
What were the two cities where the atomic bomb was dropped?
the two cities the United States destroyed with atomic bombs were Hiroshima and Nagasaki.
Truman decided to use the atomic bomb against Japan because?
- He and the Presidential Cabinet hoped it would prevent an invasion on the mainland of Japan by the Russians and Western Allied Forces.
- He was really hoping to save millions of Japanese lives and the lives of the allied forces.
- He prayed and hoped the Emperor Hirohito would surrender when he figured out the US could annihilate his country.
- Hirohito surrendered to save the throne and the Empire. He went against the Japanese Military leaders who would never surrender.
Did an atomic bomb blasted the city hiroshima in 1945?
yes, in August 1945 by a US B29...............also Nagasaka got an A bomb......
