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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

How do make an atomic bomb?

I cannot tell you this, the details are classified. You would need a Q clearance and appropriate need to know to get access to this.

However, that said general information on this is in publicly available literature. A few books you might be interested in are: Robert Del Tredici's At Work in the Fields of the Bomb, Len Ackland's Making a Real Killing: Rocky Flats and the Nuclear West, Frank Barnaby's How to Build a Nuclear Bomb. I would also suggest taking a tour of the Hanford Washington B Reactor, which manufactured plutonium for the Gadget and Fatman bombs and many post WW2 atomic bombs.

Another option if you still want greater detail would be to make FOIA requests, however expect long delays, rejections which you will need to appeal, and highly redacted documents in any you succeed in obtaining.

How many people were killed by the two atomic bombs?

Roughly 100,000 each.

But you have to remember that about this same amount was dieing in each "1000 plane" firebombing attack, several of whichwere conducted every night during this same period of time.

When did the US get the idea of the atomic bomb?

Britain started work on an atomic bomb before the Manhattan Project got underway. All research was transferred to the US, due to that country's industrial capacity (and remoteness from Axis bombers) so essentially Britain "had the bomb" at the same time the US did. The first purely British bomb wasn't exploded until 1952, however.

Why did America drop the atomic bomb?

On August 6, 1945, President Harry Truman ordered the drop of the atomic bomb on Hiroshima, Japan. The purpose of this action was to bring a rapid end to World War II.

Why were the two atomic bombs dropped on Hiroshima and Nagasaki during WW11?

The first atomic bomb was dropped on Hiroshima, Japan, on August 6, 1945, and the second atomic bomb was dropped on Nagasaki, Japan, on August 9, 1945. President Truman was advised that if the U.S. launched a full-scale invasion of mainland Japan, the the U.S. would suffer as many as a million casualties. In order to bring the war to a quick ending and incur as few casualties as possible, Truman ordered the atomic bombing of Japan.

On what date was an atomic bomb dropped on the Japanese city of hiroshima?

The first atomic bomb was dropped on Hiroshima on August 6, 1945. It was delivered by the Enola Gay, a US B-29 "Superfortress" bomber manufactured by Boeing that was named after the pilot's mother.

Survivors of the attack noted that the bombing was particularly devastating because few residents of the city sought shelter. When only one plane was seen overhead, it was assumed that it was on a reconnaissance mission, not an attack.

What would be the consequence today if the US had not invented the Atomic Bomb?

Then the U.S. would have eventually invaded the Japanese mainland. As the Japanese were not going to surrender, there would have been millions of Japanese killed. U.S. deaths would also have been in the thousands, maybe as high as a million. Japan would have been defeated but at a very high cost in human life and more than likely the total destruction of all major Japanese cities.

AnswerBut they were and it was classified as "over-kill." Many people believe that there could have been other means to have changed the war than dropped the bombs and causing such devastation. It's amazing that the Japanese people can forgive. They still live with the after effects of the war.

"Many People Believe" in little green men from Mars, that Elvis is alive, and bust-enhancing creams actually work. That doesn't mean it's true.

AnswerI would just like to add something...someone said "it is amazing that the Japanese can forgive". I am wondering if you know that the Japanese executed more people with samurai swords than were killed in both atomic bombs (32 million Chinese were killed in WW2). Also, had the bombs not been dropped then many, many more Japanese would have been killed to to the emperor's total war method of using every single Japanese citizen as a soldier. One example of this is they were planning on strapping bombs on children and having them jump under the treads of invading tanks to destroy them. AnswerIt should be pointed out that while the Japanese do still live with the after-effects of WWII, they are the after-effects of a war of aggression that Japan itself originated way back in 1931, when they invaded Manchuria. Atomic bomb apologists seldom consider what might have happened if the Japanese (or the Germans) had been first to develop atomic weapons.

The Japanese goal was the creation of the "Greater East Asia Co-Prosperity Sphere." Essentially, that meant that all of eastern Asia would be united -- and ruled by the Japanese. Few people realize that the ruling class in Japan at that time considered all non-Asians to be racially inferior, and Japanese esteemed themselves as the highest of all Asians. This racism is at the root of the widespread torture and murder inflicted by the Japanese on all they conquered. (This routine criminal behavior is generally poorly documented, and universally ignored by apologists and revisionists.)

By 1945, Japan was a defeated nation. Its primary offensive weapon, the Imperial Japanese Navy, had practically ceased to exist; what was left of it dared not leave its home ports. Once LeMay's B-29 raids got into full swing that summer, US airmen were killing as many as 120,000 Japanese per raid, using primarily "Willie Pete," white phosphorus-based incendiary bombs. It was when viewing the aftermath of one of these raids on Tokyo that Emperor Hirohito is believed to have taken his decision to become directly involved in seeking an end to the war. Japan's defenses were so feeble that the B-29 crews were removing defensive armament from their planes so they could carry more bombs. The chances of a crew returning from a mission over Japan were around 99%; most of the few losses were due to mechanical failure.

The dire predictions of invasion casualties offered by some of Truman's advisors were probably exaggerated. But hundreds of thousands, if not millions, of Japanese citizens would surely have perished had the war been prolonged, even without an invasion. With the US Navy effectively blockading every Japanese port, food shortages were already plaguing the country, and famine was visible on the horizon. No nation, however motivated by religion or creed, can withstand mass starvation. Add in the nightly visits from "B-san," spreading fiery death through the cities, and it's easy to see that Japan truly had no future.

Who were all the people who worked on the atomic bomb?

Robert R. Wilson, Lise Meitner, and Otto R. Frisch

America's Manhattan project was headed by J Robert Openheimer. His principle assistants were Hans Bethe, Victor Weisskopf, Earnest Lawrance and Enrico Fermi.

What are the names of the pilots and planes that dropped the atomic bombs on Japan during World War II?

Enola Gay is the name of the U.S. Army Air Forces B-29 bomber that dropped the atomic bomb, "Little Boy," on Hiroshima, on August 6, 1945. It was flown by Colonel Paul Tibbets.

Bockscar is the name of the U. S. Army Air Forces B-29 bomber that dropped the the atomic bomb, "Fat Man," on Nagasaki on August 9, 1945. The name, which is painted on the aircraft is a pun on "boxcar," after the name of the aircraft's commander, Captain Frederick C. Bock. For this mission, however, it was Major Charles Sweeney who flew Bockscar. Some official and unofficial documents have mistakenly called the plane Bock's Car, Bocks Car and Boxcar over the years.

See Sources and related links for additional information and a photo of Bockscar.

Did the atomic bombs force japan to surrender?

Yes, that was the only justification for dropping the bombs. Japan had been defeated in all of the islands that they had invaded, the island was surrounded by Allied forces and the Japanese were not getting food or fuel from outside sources. In other words, there was absolutely no way they could continue fighting, but the Emperor refused to surrender in hopes of negotiating for better terms. It was estimated (after the war) that almost a million Allied troops would have been killed as well as perhaps that many or even more Japanese citizens. "The bombs" informed the Japanese that there would be no need to endanger Allied forces, and that we demanded an unconditional surrender. Japan was holding out for terms that would have allowed them to rebuild their military and try for dominance of the Pacific again at a later date.

How many above ground atomic bombs were exploded in the world?

According to a study from the University of Wollongong, in Australia: Most likely there are roughly 70,000 nuclear bombs in the world. The exact number is unknown, due to military secrecy. The US has the most (or atleast the most documented)- estimates project that the US has 33,000 and the former USSR has around 16,000. Both nations continue to keep many in storage. Great Britain, France, China, India, Pakistan, and Israel among many other nations are known to possess these bombs. Under the Constitution of Japan the country has voluntarily banned itself from ever owning such a destructive weapon.

How did Albert Einstein feel about the atomic bomb?

Nope!!! I may say that he didn't really want to use the formula E=MC (related to atomic bombs and the fusion and fission of the molecules). He advised the President of the US to use the atomic bombs int its proper uses. For short, he was not involved in the making of atomic bombs as well as supporting the dropping of those bombs in Japan...

It was His theory of relativity (E=MC2) that was used in the creation of the atomic bombs. He was greatly against using them in such a horrible way.

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Einstein had no idea that atomic bombs had even really been worked on by the US until he read the newspaper headlines on August 6, 1945 announcing that one had been dropped on Hiroshima! He had spent all of WW2 working on the equations for his Unified Field Theory. He never advised either president Roosevelt or Truman on the use and any weapon, let alone atomic bombs.

What two cities were hit by atomic bombs during world war 2?

On August 6th and 9th 1945, the US dropped 2 atomic bombs onto Japan which caused just over 200,000 people dead and many more scared from life. The 2 cities which the atomic bombs were dropped on were Hiroshima and Nagasaki.

What effect did the atomic bomb have on the economies?

The dropping of the atomic bombs, nicknamed "Little Boy" and "Fat Man," on August 6th and 9th, 1945, on the cities of Hiroshima and Nagasaki respectively, brought about the immediate and unconditional surrender of Japan. Estimates of allied lives that would have been lost in the otherwise inevitable invasion numbered in the millions. The moral implications of President Truman's decision have been, and will continue to be, the subject of intense and passionate debate for generations to come.

it killed many people, plus caused harm to the environment and many of the offspring of survivors have mental disabilities and have been known to get all types of cancers

They were very dangerous the caused a lot of cancers and more, but the U.S.A. soon didn't use them anymore cause the were killing some of there own people.

To end the war sooner, saving American lives

Could an atomic bomb destroy the earth?

Absolutely not 100,000 cant even destroy a continent like europe. to have a bomb destroy the world it would have to weigh at least 500 petatons of tnt which is about 200 million billion tons of tnt, a lot.

An atomic war world wide with thousands of unleashed bombs would do little more to the planet earth than an ant hive does in our world.

A nuciance, but that is probably all it will be.

Life on earth as we know it would probably be at stake though.

Atomic bombs are those with the most dangerous after-effects. Radioactive fallout that will be active for 50-100 years afterwards at least. Long term effects not fully known yet.

How have the use of atomic bombs changed world politics?

Strangely enough, it really has not changed the way that wars are ACTUALLY fought. While there has been a huge amount of preparation for the

use of, and defense against nuclear weapons, none have been used since Nagasaki. Wars are still fought with rifles, machine guns, tanks and cannon.

World War 2 atomic bombing in Japan?

everyone was happy and friendly. puppies barking people laughing everyone was happy until the bomb hit Prior to the atomic bombs there were shortages of almost all consumer goods as very little could be imported as the Allied forces came closer to the home islands. More people were killed and property damaged by months of conventional bombs than by the two atomic attacks.

Why did they name the atomic bombs?

The names Little Boy & Fat Man were military codenames, picked originally so that if they leaked to the enemy might sound like they were designing a custom airplane to carry FDR (Little Boy) & Churchill (Fat Man).

The general codename for Fat Man practice bombs carrying no plutonium was Pumpkin bombs. Several of these were dropped on Japanese cities in late july and early august to keep the crews in practice before the live bombs arrived.

How and why the US developed the atomic bomb?

At the outset of World War 2 there was great fear in the scientific community that Nazi Germany would be the first to develop nuclear weapons. There was no doubt in the minds of physicists, many of whom were refugees from the Nazis, that Hitler would use an atom bomb if he obtained one. Accordingly the United States, Britain and Canada jointly developed the first atomic weapons in what was called the Manhattan Project.

Below are related links to Wikipedia articles on this subject, which is likely far too complex to answer in this forum. You can also try Googling "Nuclear Weapons," and of course you can and should visit your local library. Your librarian will be more than happy to steer you to dozens of books on this subject, which is truly fascinating and at times simply as mind boggling as a nuclear explosion.

Another Answer: US developed atomic bomb by setting up a scientific committee to study the issue. The British research so impressed the Americans that they convinced Roosevelt to begin a program to build an atomic bomb. The American program to build an atomic bomb was code-named the Manhattan Project. The project's first breakthrough came in 1942, when Szilard and Enrico Fermi, another physicist, built the world's first nuclear reactor at the University of Chicago. Groves organized a team of engineers and scientists to build an atomic bomb at a secret laboratory in Los Alamos, New Mexico.

How were atomic bombs triggered?

I believe it was when Albert Einstein wanted to start research on the atomic bomb.

You believe wrong. The only thing Einstein had to do with the atomic bomb project was to sign a letter written by Leo Szilard warning FDR of the possibility of a Nazi atomic bomb and suggesting a study into the possibility. The history of the atomic bomb starts in 1933 with Leo Szilard:

  1. While crossing a London street in 1933, Leo Szilard invented the nuclear neutron chain reaction, the key to the atomic bomb. However he had no known material that would support a chain reaction.
  2. In 1934, Leo Szilard was granted his patent on the chain reaction and the atomic bomb.
  3. In 1936, Leo Szilard signed his patent over to the British Admiralty to keep it out of the hands of the Nazis in Germany.
  4. In 1938, Otto Hahn in Berlin discovered that Uranium-235 fissioned when hit by a neutron and produced excess neutrons. This made Szilard's patent practical.
  5. In 1939, Einstein signs Szilard's letter to FDR. A preliminary study is begun late in the year.
  6. In 1940, MAUD committee begins formal study of bomb physics.
  7. In 1941, Glenn Seaborg discovers Plutonium.
  8. In 1942, the Manhattan Project is formally begun.
  9. July 16, 1945, the Gadget device is tested at Trinity site.
  10. August 6 & 9, 1945, two atomic bombs are dropped on Japan.
  11. In 1946, two atomic bombs are fired on Bikini Atoll in Operation Crossroads to test effects on shipping.
  12. In 1947, the Manhattan Project ends with its responsibilities turned over to the new AEC.