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Where was the ultimatum threatening to use the atomic bomb issued?
An ultimatum was issued to Japan from Potsdam, but no mention of atomic bombs was made in it as they were classified and the only people at Potsdam cleared to discuss them were Truman and Churchill.The first time the Japanese were told of the atomic bomb was after the bombing of Hiroshima.
What is the atomic bomb used for?
The atomic bomb was used to end the war between the U.S. and Japan. The U.S. also dropped it to test the bomb to see if it worked. When the bomb passed the test the U.S. told Japan that we will drop an atomic bomb; Japan refused to surrender and we dropped two bombs on them (Hiroshima and Nagasaki); that's when Japan surrendered.In modern terms, atomic bombs (and all nuclear weapons) are political tools, with very little practical battlefield use. In some regards, they can be considered a "terror" weapon, as possession of nuclear weaponry provides the owner with a credible threat to wreck mass destruction upon an opponent. That is, the utility of nuclear weapons comes not from their use, but from the threat of their use. As such, they are classic political tools for use in international power relations.
Why they kept the Manhattan Project a secret?
Good question. It seems logical to let the enemy know that we were building it so they would be more worried. That is how the countries tried to use "the bomb" during the Cold War to cause fear in their enemies. However, there were several reasons to keep it a secret. 1- The US wanted to keep it secret so no one would steal the plans or technology as to how it was made. Germany had tried to make the Atomic Bomb but their used a different theory and technique. 2- Hide the project in order to protect it from attack. During WW1 and WW2, enemy agents were able to sneak into the US and destroy some resources. There was strict security at Oakridge in order to keep the purpose of the site a secret. (My father-in-law worked there as a carpenter and told me about their security.) 3- The other secret that needed to be protected was the timing of the use of the bomb. If the enemy knew the US had developed and tested it, then they would know it would be used soon and could possibly stop it's deployment. The bomb had to be sent to the Pacific Theater by ship and loaded on to bombers. All of this had to be kept secure.
Was there any warning before the atomic bomb attacks of World War 2?
Yes, there was a warning to Japan that we (the USA) were going to drop an atomic bomb. They did not believe us. So we dropped the atomic bomb. We warned them again. By this time, they did not answer because they were scared that we were going to drop an atomic bomb. So we dropped another bomb. After that, they surrendered the war. So we won World War 2. The first warning said (and i quote) "we are in possession of the most destructive explosive ever devised by man. A single one of our newly developed atomic bombs is actually the equivalent in explosive power to what 2000 of our giant B-29s can carry on a single mission. This awful fact is one for you to ponder and we solemnly assure you it's grimly accurate. Before using this bomb to destroy every resource of the military by which they are prolonging this unless war, we ask that you now petition the emperor to end the war…" then the second: Then we sent another warning "Because your military leaders have rejected the thirteen part surrender declaration, two momentous events have occurred in the last few days. Radio Tokyo has told you that with the first use of this weapon of total destruction, Hiroshima was virtually destroyed. Before we use this bomb again and again to destroy every resource of the military by which they are prolonging this useless war, petition the emperor now to end the war. Act at once or we shall resolutely employ this bomb and all our other superior weapons to promptly and forcefully end the war."
How many atomic bombs did the US have?
In August 1945 the US had three (3) atomic bomb weapons. The test bomb nicknamed "the Gadget"( a FAT MAN design type) was detonated at the TRINITY test site at Alamogordo Air Base , NM on 16 July 1945 (blast yield of 18.6 kilotons). Two weapons, code named for the types of bomb designs and not the weapons themselves, were a LITTLE BOY ( a MARK 1; bomb L-11) uranium U-235 bomb dropped on Hiroshima on 06 Aug 1945 (blast yield of 12-16 kilotons) called Operation: CENTERBOARD I and a FAT MAN (a MARK 3; bomb Y1561) plutonium Pu-239 bomb dropped on Nagasaki on 09 Aug 1945 (blast yield of 20 kilotons) called Operation: CENTERBOARD II. The third bomb also a FAT MAN (MARK 3) intended for Kokura on 19 Aug 1945 Operation: CENTERBOARD III was not used. Niigata and Yokohama were the next two (2) of the 17 (seventeen) targeted Japanese cities not bombed. Tokyo was considered a target city only of last resort since the Emperor, the Supreme War Council, the Prime Minister and Cabinet, and the Imperial Army and Navy General Staffs would have to survive to order an unconditional surrender. The US had plans to manufacture and assemble one (1) more LITTLE BOY U-235 uranium bomb and up to twelve (12) additional FAT MAN Pu-239 plutonium bombs to drop on the targeted Japanese cities before the invasion of Japan code named Operation: DOWNFALL on 01 Nov 1945, but the surrender of Japan 14 Aug 45 (V-J Day) halted production and assembly of further atomic weapons until the Operation: CROSSROADS tests in June 1946. Sources: Pincher - D. A. Rosenberg 1989 Silverplate Bombers - R. H. Campbell 2005 The Decision to Use the Atomic Bomb - G. Alperovitz 1995 Making of the Atomic Bomb - R. Rhodes 1987 The General and the Bomb - W. Lawren 1988 Now It Can Be Told - L. Groves 1983
Who told the plans for an atomic bomb to the Soviets?
Klaus Fuchs & Ted Hall
What inspired Albert Einstine to invent the atomic bomb?
he was adicted in atoms Albert Einstein did not invent the atomic bomb. It was invented by Leo Szilard.
Where was the ultimatum threatening to use the atomic bomb issued?
An ultimatum was issued to Japan from Potsdam, but no mention of atomic bombs was made in it as they were classified and the only people at Potsdam cleared to discuss them were Truman and Churchill.The first time the Japanese were told of the atomic bomb was after the bombing of Hiroshima.
Where was announcement of dropping of atomic bomb?
Leaflets were dropped over Japan warning them of a "big bomb" but not naming it as an atom bomb. They were told to get their government to surrender or the big bomb would be dropped. The Military Leaders were asked to surrender again.
When did albert Einstein have the idea of the atomic bomb?
About the time Leo Szilard told him about it and had Einstein sign the letter Szilard had written to FDR.
Did Albert Einstein's findings help in the creation of the atom bomb?
The atomic bomb was developed by the Manhattan Project led by Robert Oppenheimer. What Einstein did was to write to the President. He and several other scientists told Roosevelt of efforts in Nazi Germany to purify uranium-235, which could be used to build an atomic bomb. The President put the plans in work to build the bomb.
What did the us use to end the war with japan?
They attacked Japan with the Atomic Bomb and then they told them that they had to surrender or they would drop another atomic bomb. The Japanese refused to surrender and they dropped another one. This killed more than 200,000 Japanese. Finally Japan had surrendered.
Do you feel that the US should have used the Atomic Bomb as a means to end World War 2?
Although using such a devastating weapon is always questioned, I believe the U.S. was justified to use the Atomic Bomb. Even the Japanese citizens were told to fight. By dropping the Atomic bomb, there was potentially less death, since no U.S. soldiers were harmed. The citizens would not have surrendered. Japan was not going to surrender, and so the Atomic bomb saved thousands of American lives, and shortened that terrible war
Where the first atomic bomb was thrown?
by that time when they threw the atomic bomb over Hiroshima and Nagasaki it was unnecessary. Japan was already losing the war and was going to surrender. After japan lost the war it impacted there culture they believed there emperor was part god so they believed what he said. He told them they were going to win the war, but after the atomic bomb was dropped they started to question there beliefs.
Who inspired harry Truman to develop the atomic bomb in 1949?
The atomic bomb was developed many years before 1949. It was dropped on Japan in 1945. In 1939, Albert Einstein told Pres. Franklin D. Roosevelt that Nazi Germany wanted to develop an atomic bomb. Then the US government began producing research known only then as The Manhattan Project. A massive laboratory was started at Oak Ridge, Tennessee.
How did Japan get out of world war 2?
The US dropped an atomic bomb on Japan and told them they would drop another if Japan did not surrender. They didn't surrender, so the US dropped a second atom bomb. The US then told Japan that they would send a THIRD atom bomb (which they actually didn't have. It was a HUGE bluff), and luckily for mankind, the Japanese DID surrender.
Who dropped the first atomic bomb in World War 2?
The first atomic bomb dropped in World War II was dropped by the United States, on Hiroshima, Japan. The name of the plane that dropped the first atomic bomb is Enola Gay, and it was piloted by Colonel Paul Tibbets.
