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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

Did you drop the atomic bomb after the space race or after?

The only atomic bombs dropped on any nation during a military conflict were the two atomic bombs dropped on August 9 and 6 in 1945. There have been test bombs dropped by Russia and the United States but not on people or cities. Therefore the answer to your question is that there have been no bombs dropped after the space race or since World War 2. The reason is obvious: It causes immense devastation and deaths instantly and for many decades afterward. No nation truly wants to use an atomic bomb. The Atomic Race is basically over and thousands of atomic bombs have been dismantled in the USA and world wide. There are still nuclear missiles around but they are meant for defense against nations who use them as offense against another nation (North Korea is a current treat of this.)

What did sadako call the atomic bomb?

well,first off..he called the atomic bomb something important in history and important in real life.i dont really know what she called the atomic bomb..BUT she called cancer the atomic bomb disease..interesting huh?

What plane dropped the atomic bomb on hiroshima?

B-29 Superfortress

2nd Answer:

Specifically the airplane was called the, "Enola Gay", named after the pilot's mom.

The airplane carrying the H-bomb dropped on Nagasaki was called, "Bock's Car" - "Bock" was the last name of the pilot.

Did any one make the atomic bomb better?

Yes, absolutely. Los Alamos had many ideas even before the war ended for improvements on the two rather primitive atomic bombs used during the war. Had the Japanese not surrendered the first of these (composite plutonium/uranium core) would have gone into production and use in the bombs scheduled for November 1945.

Immediately after the war ended activity was scaled back at all Manhattan Project sites, but work did not stop on improvements. The first new atomic bomb, the MK-4 entered the stockpile in 1949 and incorporated the following improvements:

  • Factory assembled (the earlier bombs were delivered in kits requiring field assembly)
  • Interchangeable parts (the earlier bombs used custom hand fitted parts that were not interchangeable)
  • In Flight Insertion of nuclear core (the earlier bombs were designed for insertion on the ground before takeoff)
  • Composite plutonium/uranium core
  • Levitated-pit core
  • Variable yield by a selection of different pits (1 kt, 3.5 kt, 8 kt, 14 kt, 21 kt, 22 kt, or 31 kt)
  • Battery that could could be replaced without requiring complete disassembly of the bomb (as was required in the MK-III)
  • Improved fin structure
  • Internal RADAR antennas in the flat nose (the earlier bombs used external RADAR antennas that were easily damaged)

Additional improvements incorporated in later bombs:

  • External electronic pulsed neutron sources that could be precisely timed to fire when the core is optimally supercritical to get the best and more repeatable yield (earlier bombs used an internal mechanically pulsed neutron source triggered when crushed by the shock wave from the chemical explosives and also had to be replaced roughly twice a year making both maintenance and stockpiling complicated)
  • Variable yield by injection of deuterium and/or tritium gas into the pit (physically changing the pit was no longer required)
  • 64 lens and 92 lens chemical explosive systems to produce a more smooth implosion shockwave than the original 32 lens system
  • Many improvements in batteries, ultimately resulting in batteries that were installed once at the factory and never needed either maintenance or replacement
  • Advanced fusing systems suitable for different targets: surface burst, delayed surface burst, depth charge, ground penetration, antitank mines, etc. (earlier bombs were all fused for optimal damage airburst and could not be changed)
  • Weight and size reductions, permitting use of different delivery vehicles, not just large bomber airplanes (e.g. fighter airplanes, torpedoes, ballistic missiles, artillery pieces, even a man carried backpack for special forces use)
  • Multi-staging radiation implosion, essential to the hydrogen fusion bomb but originally worked on as a possible means of making fission bombs of very high yield (perhaps breaking the 1 Mt theoretical yield limit for a pure fission bomb)
  • Development of "single-point safe" implosion designs that could not produce any nuclear yield if only one explosive lens was detonated
  • Use of more stable chemical explosives that could not detonate when exposed to fire or mechanical shocks
  • Use of machinable chemical explosives, permitting more precise manufacture of the explosive lenses (earlier bombs used explosives that had to be melted and cast in molds; which was hazardous, hard to maintain precision, and often left bubbles in the casting causing a high rejection rate)
  • etc.

Was it the right decision for the us to drop atomic bombs in World War 2?

President Truman said, he needed to end the war and collapse Japan's means to make war ever again.

Should have dropped a third atomic bomb on japan?

The cities of Hiroshima and Nagasaki were totally destroyed by the atomic bombs. The ultimatum sent to Emperor Hirohito was "surrender unconditionally, or Tokyo is next." The aim was to end the war, not to kill another half million innocent people. The Japanese surrendered, so it would have been mass murder to bomb them again.

The third bomb would have been dropped on either Kokura, Yokohama, or Niigata, the only cities remaining on the approved list (not Tokyo). However by the time the third bomb was available, Japan had already surrendered.

Bomb production schedule if war continued:

  • September - 3
  • October - 3
  • November - 7
  • December - 7

Therefore only 23 cities could have been bombed in 1945. Change in production rate in November was due to upgrading MK-3 Mod 0 Fatman with Plutonium core to MK-3 Mod 1 Fatman with composite core (Plutonium/Uranium-235).

Richard Rhodes: The Making of the Atomic Bomb

Chuck Hansen: Swords of Armageddon

How many people were killed by the atomic bomb fat man?

The best estimate is 40,000 people died initially, with 60,000 more injured. By January 1946, the number of deaths probably approached 70,000, with perhaps ultimately twice that number dead total within five years.

What was the US hoping to avoid by dropping the atomic bombs?

The invasion of Mainland Japan, which was the only other alternative, and which would have been horrifically costly in lives - both American and Japanese.

What is a shell bomb that they used in World War I?

A shell was like a large bullet case that contained sharp objects in it that would penetrate through the soldier's skin. They were bombs and would explode but some remain unexploded. Some people put gas in the shells to poison the army. shell bomb were very deadly and were feared throughout world war 1

What were the names of the two atomic bombs that Albert Einstein made?

Einstein did not personally make any atomic bombs, nor was he particularly involved in the Manhattan Project. (He couldn't obtain the necessary security clearance. and scientists in the project were actually forbidden from consulting with him about it.)

The names of the first two bombs were "the gadget" and "Little Boy." The gadget was the one used in the Trinity test firing, and was a test of the design used for the third bomb, "Fat Man" (Little Boy was considered a simple enough design to not need a test firing, but the gadget and Fat Man were more complicated.)

What cities in Japan did the US drop the atomic bombs?

The cities were called Hiroshima and Nagasaki. The US dropped the atomic bombs onto Japan on August 6th and 9th 1945.

Amount of people used to build the atomic bomb?

It's hard to say exactly. There were many people who helped. There were 18,000 at Los Alamos and probably 50,000 or more in Hanford, WA and 45,000 at Oak Ridge, TN. There were probably 50,000 more in various smaller groups.

What did Harry Truman think the after effects of dropping the atomic bomb would be?

Neither he nor the builders knew what the "physical" after effects of the explosion might include.

However, Truman may have had several motivations for its use as a weapon. The first was obviously to coerce the surrender of Japan. But he also may have hoped to dissuade the Soviet Union from trying to exploit the war to gain territorial concessions. A successful atomic weapon might also extend US foreign power without the need for massive conventional military forces. And to some extent, it did.