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Henri Becquerel first discovered natural radioactivity on accident when a sample of uranium ore developed a photographic film.
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Through the use of a cathode ray tube J.J. Thomson discovered Electtrons
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Hans Geiger and Ernest Marsden used the gold foil experiment to demonstrate that in the center of an atom there ios a small, dense core. The Nucleus
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The united states enters into world war I
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The beginning of a massive World war that would put countries up against each other
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It affected theories and methods across all physical sciences. Especially important was the parts about the elementary particles and their interactions
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The world war is finally over.
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Rutherford developed a theory that inside all atoms there are positively charged particles, aka protons
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James Chadwick used scattering data and determined that there must be another sizeable particle inside an atom. This particle with no charge is known as the neutron
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If you bombard a heavy element with a particle such as a neutron it will split into two smaller elements and because of the reduced mass and the fact that mass has energy it creates a massive amount of energy
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Fermi was awarded the Nobel Prize for his demonstrations and the new elements he created by bombarding elements with neutrons.
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Undercover work for the U.S. to reach the nuclear stage and develop their own atomic weapons. Headed by many leading scientists of the day
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The beginning of World War Two
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The first synthetic element to be created. It was made by bombarding uranium elements with neutrons causing fission
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Created by President Franklin Roosevelt. As there was talk about nuclear weapons the president realized a need for an organization to defend America
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The japanese attacked unaware ships and planes located at Pearl Harbor. Killed many soldiers and sailors. One of the main reasons for bombing Japan
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The united states enters into world war II
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At the secret research center in Chicago underneath the stands Fermi invented the first self-sustaining reaction.
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The invasion of Normandy. Both a land invasion and air dropped soldiers.
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The use of nuclear weapons for peaceful constructive purposes
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First test of a nuclear weapon. The beginning of the Atomic Age
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The second massive world war has finally come to and end.
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Little boy, blast yielded 13 kilotons of TNT. Substancial to winning the war
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One of two nuclear bombs dropped over Japan to end the war. Fat man was a plutonium bomb with a yield of 21 kilotons
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The day of Victory over Japan.
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Detonated 520 feet above ground, an explosion of 23 kilotons
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Detonated 90 feet under the water with a yield of 23 kilotons
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Klaus smuggle detailed blueprints from the US into german hands.
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A massive 27 kiloton yielding nuclear weapon
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A nuclear test yielding 49 kilotons
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Plutonium bomb codenamed first lightning (RDS-1)
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Detonated 17 feet below the ground. Blew up massive mushroom cloud to 11,500 feet and created 263 foot crater
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Small weapon that tested compression against critical mass. Small yield of .5 kilotons
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47 kiloton nuclear bomb
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First thermonuclear war test, deuterium core
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First bomb with tritium boosting. Yield of 45.5 kilotons
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Operation Hurricane, a blue danube bomb. Powerful bomb with a yield of over 25 kilotons
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First nuclear weapon to get most of the destructive power from nuclear fusion. Massive yield of 14 MEGATONS
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27 kiloton weapon dropped in Nevada
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First test of a nuclear artillery shell.
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Speech delivered by President Dwight Eisenhower telling people they are entering into the nuclear age
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Calder Hall nuclear power station in the Uk.
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18 kiloton nuclear weapon dropped on Enewetak, the crater was filled with contaminated soil and capped in a concrete dome.
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Extremely powerful nuclear weapon with a yield of 3.8 MEGATONS
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Training reactors require lower grade uranium and produce far less of a yield than power generating reactors.
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Gerboise bleue was France's first nuclear bomb. 70 kiloton yield
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Biggest nuclear weapon ever tested. Powerful hydrogen bomb with a massive 50 mega ton yield
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Only test of an operational SLBM with an active warhead. Relesased a yield of 600 kilotons
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Confrontation between the Soviets in Cuba and the Untied States. The Soviet and Cuban governments were building missile launch sites in Cuba that could strike the continental U.S.
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Plutonium bombs nicknamed Rollercoaster detonated
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Bomb 596 was the first chinese nuclear bomb, uranium 235- implosion fission device. Yield of 22 kilotons
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Froze the number of ICBM launchers and only allowed use of new SLBM as the old ones were removed.
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Bans all nuclear weapons from entering into space and/or being set up on celestial bodies
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France continued atmospheric test even after the treaty in 1963
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Bomb codenamed Smiling Buddha used plutonium made from the nuclear reactors in canada as a byproduct. 8 kiloton yield
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SM-1 nuclear power plant in Fort Belvoir, Virginia.
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Progress Energy's nuclear power plant was the first in Florida. Levy site
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Last nuclear reactor in the United States was the River Bend plant in Louisiana
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Banned new missile types. Reduced number of nuclear warheads
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Very disputed. Though officially there has not been a nuclear test for israel there was a double flash caught by a satellite that many believe to have been the sign of a nuclear test.
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Agreement between U.S. and the Soviet Union. Eliminated nuclear and normal weapons between distances of 300-3400 miles
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An underground test
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Banned more than 6000 warheads on over 1600 icbms, slbms. Removed ~ 80 percent of all nuclear warheads
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This theory bans all nuclear explosions of any sort in any environment. It has been adopted by the United Nations but has not yet been actually put into effect.
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The last test was done underground in India on May 13, 1998
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This is another disputed test, with the only confirmation being the samples collected from an aircraft flown by the U.S. through the believed test sight
