The husband and wife team were the first ones who coined the word radioactivity. This term is used to describe the special characteristics of some elements that are radioisotopes. While comparing the activity of pure uranium to a uranium ore sample, they found that the ore was significantly more radioactive than the pure material. They fulfilled that the ore contained additional radioactive components besides the uranium. This observation led to the discovery of two new radioactive elements which they named polonium and radium.
They found that one of the radioactivities is a previously known isotope of barium. They then developed a theoretical interpretation of this demonstrated fact. They were able to show conclusive evidence of fission production of radioactive barium from neutron irradiated uranium. On January 13, 1939 Otto Frisch observed fission directly in ionization tube and coined the term “fission”. On January 29, 1939 Robert Oppenheimer realizes excess neutrons must be emitted and a bomb could be possible if they could create a self-sustaining reaction.
In 1934 a physicist known as Enrico Fermi conducted an experiment that resulted in the splitting of atoms. In 1938 two scientists, Otto Hahn and Fritz Strassman, conducted an experiment that was the beginning of a new realization in the nuclear world. Nuclear Engineering U.S. Department of Energy describes, ―Otto Hahn and Fritz Strassman fired neutrons from a source containing the elements radium and beryllium into uranium (atomic number 92)‖ (par 15). The experiment resulted in a new and unexpected out come. The elements that were naturally produced during such experiments weighed only a little less than uranium; whereas, this time the elements were around half as light.
The Manhattan Project was effective because of bold leadership and scientific advancements that resulted in the creation of the world’s ... ... middle of paper ... ... the right amount who are necessary to run the factories. But finally the Army Corps of Engineers were able to finish the project and complete it. After this the Cold War started which was based around Nuclear Weapons which were created because of the Manhattan Project and today Nuclear Bombs are twenty times more powerful than the ones used on Japan. Stanley,Matthew. “Oppenheimer J. Robert” World Book Advanced.
Nuclear power is a very broad field that is compromised by many aspects of science including physics and chemistry. It was discovered in the early 1900s. It is a power source widely used by the United States due to the shear amount of energy that can be created from just two atoms. Nuclear fission, the most widely used form of nuclear power, creates incredible amounts energy incredibly efficiently and due to this it is actually really popular. Nuclear power is hailed to be eco-friendly but it is argued that the radioactive wastes and the constant potential for something to go wrong is too great a risk to the environment and people.
Once the bomb was tested, the United States had to decide whether it should be used and if so, where? Then there was the process of dropping the bomb. The Manhattan Project was overall one of the highest and most significant projects ever done in the United States.2 The United States government was shocked by the news of German scientists discovering nuclear fission. The news came to the United States from Albert Einstein. Einstein found out the nuclear fission information from a German physicist named Leo Szilard.
The atomic bomb ended the war swiftly and resulted in less deaths for the Allies. Other than the war aspects of Nuclear Fission, it has a lot of applications in energy. Nuclear Power Plants for example, were just one of the ways that Nuclear Fission was being used to better society. Brian and Lamb put a good perspective on Nuclear Power Plants, “The nuclear power plant stands on the border between humanity's greatest hopes and its deepest fears for the future.” (Brian and Lamb). The fission process has also been observed on earth billions of years ago.
In 1898, her efforts paid off when she discovered the two new chemical elements polonium and radium. She gave the emissions, of the then unfamiliar form of energy, the term radioactivity. Marie Curie won two Nobel Prizes: one for physics in 1903 and one for chemistry in 1911 ("Marie Curie - Biographical"). She started a chain reaction with her pioneering work in radioactivity; many scientists, like Albert Einstein, followed in her footsteps and started building on her theories and knowledge. As a result, her achievements still radiate into many aspects of our world.
German chemist Martin Klaproth discovered uranium in 1789 (“Outline History of Nuclear Energy” 1). Albert Einstein in 1905 discovers theory of E=mc2. In 1939 Hahn and Strassman show developments in harnessing nuclear fission (“Outline History of Nuclear Energy” 1). They showed that fission not only released a lot of energy but also released additional neutrons which led to a greater release of energy (“Outline History of Nuclear Energy” 1). British and US scientists concentrated on fission of U-235 which would lead to a new element of mass U-239 an atomic number of 94 in which would lead them to discover neptunium #93 and plutonium #94 which was based off the finding of the uranium element (“Outline History of Nuclear Energy” 1).
The Manhattan Project The Manhattan Project was the code name of the America’s attempt to construct an atomic bomb during World War II. It was named after the Manhattan Engineer District of the U.S. Army Corps of Engineers, because a lot of it’s earlier research was done in New York City. An atomic bomb is a weapon that uses the energy from a nuclear reaction called Fission for its destruction. The idea that mass could be changed into energy was predicted by Albert Einstein in the earlier part of the 1900’s. John D. Cockcroft and Ernest Walton confirmed this by experiments in 1932.