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As the physics of nuclear explosives has not changed, pretty much the same elements as are used now. The main changes are not the elements, but the compounds that contain them (e.g. the chemical explosives have been replaced with safer ones, but both the old and new chemical explosives contain the same elements just in different arrangements.
Polonium is an element used in the neutron sources of all 4 atomic bombs built during World War 2 (Gadget, Little Boy, Fat Man, and an unnamed bomb that was never used) that is no longer used in modern nuclear explosives. Polonium based neutron sources have a shelf life of roughly 180 days due to radioactive decay. These were replaced by electrically activated tritium fusion based neutron sources sometime in the middle 1950s which have a shelf life of roughly 12 years due to radioactive decay.
Lithium is an element used in some modern nuclear explosives that was not used in world war 2, it is converted to tritium in those bombs for use as fusion fuel. The first use of lithium in a nuclear explosive was in 1953 by the USSR.
It is important to realize that many many elements other than the nuclear fuels must be used in a nuclear explosive to make it work.
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Who are the scientists behind the atomic bomb of World War 2?
J. Robert Oppenheimer
Who created the atomic bomb?
No single person created the atomic bomb. A large number of people needed to work together on different parts of the total project to produce a workable theory and then a functional bomb. Physically the first atomic bombs were created by the Manhattan Project, based in the USA during World War 2 and staffed principally by US and British scientists..
Why invent the Atomic Bomb?
To have a massive technological and military advantage over your enemy, enough to end the war and prevent millions of deaths. So goes the rationale.
What was the v1 rocket bomb filled with?
the V1 flying bomb was filled with (along with the workings) a 1,870 lb warhead, the V1 being used by the Germans to bomb Britain in world war 2.
Why did Enrico Fermi make the atomic bomb?
There was a race that involved US, UK, and Canada during World War II; they wanted to build an atomic bomb in fear that Nazi Germany would create them first. This project was called the Manhattan Project (1942 to 1946), the project was under the command of Major General Leslie R. Groves Jr. of the US Army Corps of Engineers. Einstein, Szilard, Fermi, and President Roosevlet were main people involved in this project.
Was there a war before the first atomic bomb?
The world was going through world war two. The atomic bomb ended the war.
What was the atomic bomb created for?
the atomic bomb was created to end the world war 2!!
Why did they make the Atomic Bomb?
the atomic bomb was made to end the world war 2
Why did they make atomic bomb?
the atomic bomb was made to end the World War 2
In which world war was the atomic bomb made?
The Second World War.
Dropping the atomic bomb?
The atomic bomb was dropped on Hiroshima and Nagasaki in World War 2.
What world war was the atomic bomb in?
WWII
Did albert einstein build the atomic bomb to end world war 1?
No, Albert Einstein did not built an atomic bomb to end World War I
What was the first bomb they use in world war 1?
the atomic bomb
What was the name of the bomb that ended World War 2?
It was the Atomic bomb.
When was the a bomb used?
It was used in the world war two, its an atomic bomb!
Why is the atomic bomb important to World War 1?
The atomic bomb was sopower full that japan surrendered a couple days after the second bomb. This nuclear weapon is what led World war II to an end. Not World war I
