Table of Contents
185 relations: Alfred Gruenther, Allotropes of plutonium, Alpha particle, Aluminium, Anthony McAuliffe, Anti-aircraft warfare, Armed Forces Special Weapons Project, Arthur Compton, Attack on Pearl Harbor, Avro Lancaster, B Reactor, Ball (association football), Baratol, Barium nitrate, Berkeley, California, Berlin Blockade, Beryllium, Big Stink (aircraft), Bikini Atoll, Bockscar, Boeing B-29 Superfortress, Boeing B-47 Stratojet, Bomb bay, Boron, Brigadier general (United States), Bruceton, Pennsylvania, Carl Spaatz, Chapman–Jouguet condition, Charles Critchfield, Charles Sweeney, Clinton Engineer Works, Code name, Composition B, Convair B-36 Peacemaker, Convair XB-46, Critical mass, Curtis LeMay, Cyclotron, Dashiell Hammett, David Greenglass, Depleted uranium, Detonation, Douglas C-54 Skymaster, Edward Teller, Edwin McMillan, Emilio Segrè, Enewetak Atoll, Enriched uranium, Ernest Lawrence, Experimental Mine, U.S. Bureau of Mines, ... Expand index (135 more) »
- Atomic bombings of Hiroshima and Nagasaki
- History of the Manhattan Project
- Nuclear bombs of the United States
- Weapons and ammunition introduced in 1945
- World War II aerial bombs of the United States
- World War II weapons of the United States
Alfred Gruenther
General Alfred Maximilian Gruenther (March 3, 1899 – May 30, 1983) was a senior United States Army officer, Red Cross president, and bridge player.
See Fat Man and Alfred Gruenther
Allotropes of plutonium
Plutonium occurs in a variety of allotropes, even at ambient pressure.
See Fat Man and Allotropes of plutonium
Alpha particle
Alpha particles, also called alpha rays or alpha radiation, consist of two protons and two neutrons bound together into a particle identical to a helium-4 nucleus.
See Fat Man and Alpha particle
Aluminium
Aluminium (Aluminum in North American English) is a chemical element; it has symbol Al and atomic number 13.
Anthony McAuliffe
General Anthony Clement "Nuts" McAuliffe (July 2, 1898 – August 10, 1975) was a senior United States Army officer who earned fame as the acting commander of the 101st Airborne Division defending Bastogne, Belgium, during the Battle of the Bulge in World War II.
See Fat Man and Anthony McAuliffe
Anti-aircraft warfare
Anti-aircraft warfare is the counter to aerial warfare and it includes "all measures designed to nullify or reduce the effectiveness of hostile air action" (NATO's definition).
See Fat Man and Anti-aircraft warfare
Armed Forces Special Weapons Project
The Armed Forces Special Weapons Project (AFSWP) was a United States military agency responsible for those aspects of nuclear weapons remaining under military control after the Manhattan Project was succeeded by the Atomic Energy Commission on 1 January 1947.
See Fat Man and Armed Forces Special Weapons Project
Arthur Compton
Arthur Holly Compton (September 10, 1892 – March 15, 1962) was an American physicist who won the Nobel Prize in Physics in 1927 for his 1923 discovery of the Compton effect, which demonstrated the particle nature of electromagnetic radiation.
See Fat Man and Arthur Compton
Attack on Pearl Harbor
The attack on Pearl HarborAlso known as the Battle of Pearl Harbor was a surprise military strike by the Imperial Japanese Navy Air Service on the American naval base at Pearl Harbor in Honolulu, Hawaii, in the United States, just before 8:00a.m. (local time) on Sunday, December 7, 1941.
See Fat Man and Attack on Pearl Harbor
Avro Lancaster
The Avro Lancaster is a British Second World War heavy bomber.
See Fat Man and Avro Lancaster
B Reactor
The B Reactor at the Hanford Site, near Richland, Washington, was the first large-scale nuclear reactor ever built.
Ball (association football)
A football is the ball used in the sport of association football.
See Fat Man and Ball (association football)
Baratol
Baratol is an explosive made of a mixture of TNT and barium nitrate, with a small quantity (about 1%) of paraffin wax used as a phlegmatizing agent.
Barium nitrate
Barium nitrate is the inorganic compound with the chemical formula Ba(NO3)2.
See Fat Man and Barium nitrate
Berkeley, California
Berkeley is a city on the eastern shore of San Francisco Bay in northern Alameda County, California, United States.
See Fat Man and Berkeley, California
Berlin Blockade
The Berlin Blockade (24 June 1948 – 12 May 1949) was one of the first major international crises of the Cold War.
See Fat Man and Berlin Blockade
Beryllium
Beryllium is a chemical element; it has symbol Be and atomic number 4.
Big Stink (aircraft)
Big Stink – later renamed Dave's Dream – was a United States Army Air Forces Boeing B-29-40-MO Superfortress bomber (Victor number 90) that participated in the atomic bomb attack on Nagasaki, Japan on August 9, 1945. Fat Man and Big Stink (aircraft) are atomic bombings of Hiroshima and Nagasaki.
See Fat Man and Big Stink (aircraft)
Bikini Atoll
Bikini Atoll (or; Marshallese: Pikinni), known as Eschscholtz Atoll between the 19th century and 1946, is a coral reef in the Marshall Islands consisting of 23 islands surrounding a central lagoon.
Bockscar
Bockscar, sometimes called Bock's Car, is the name of the United States Army Air Forces B-29 bomber that dropped a Fat Man nuclear weapon over the Japanese city of Nagasaki during World War II in the secondand most recentnuclear attack in history. Fat Man and Bockscar are atomic bombings of Hiroshima and Nagasaki.
Boeing B-29 Superfortress
The Boeing B-29 Superfortress is an American four-engined propeller-driven heavy bomber, designed by Boeing and flown primarily by the United States during World War II and the Korean War. Fat Man and Boeing B-29 Superfortress are atomic bombings of Hiroshima and Nagasaki.
See Fat Man and Boeing B-29 Superfortress
Boeing B-47 Stratojet
The Boeing B-47 Stratojet (Boeing company designation Model 450) is a retired American long-range, six-engined, turbojet-powered strategic bomber designed to fly at high subsonic speed and at high altitude to avoid enemy interceptor aircraft.
See Fat Man and Boeing B-47 Stratojet
Bomb bay
The bomb bay or weapons bay on some military aircraft is a compartment to carry bombs, usually in the aircraft's fuselage, with "bomb bay doors" which open at the bottom.
Boron
Boron is a chemical element; it has symbol B and atomic number 5.
Brigadier general (United States)
In the United States Armed Forces, a brigadier general is a one-star general officer in the United States Army, Marine Corps, Air Force, and Space Force.
See Fat Man and Brigadier general (United States)
Bruceton, Pennsylvania
Bruceton is an unincorporated suburb of Pittsburgh within Allegheny County, Pennsylvania, United States.
See Fat Man and Bruceton, Pennsylvania
Carl Spaatz
Carl Andrew Spaatz (born Spatz; June 28, 1891 – July 14, 1974), nicknamed "Tooey", was an American World War II general.
Chapman–Jouguet condition
The Chapman–Jouguet condition holds approximately in detonation waves in high explosives.
See Fat Man and Chapman–Jouguet condition
Charles Critchfield
Charles Louis Critchfield (June 7, 1910 – February 12, 1994) was an American mathematical physicist.
See Fat Man and Charles Critchfield
Charles Sweeney
Charles William Sweeney (December 27, 1919 – July 16, 2004) was an officer in the United States Army Air Forces during World War II and the pilot who flew Bockscar carrying the Fat Man atomic bomb to the Japanese city of Nagasaki on August 9, 1945.
See Fat Man and Charles Sweeney
Clinton Engineer Works
The Clinton Engineer Works (CEW) was the production installation of the Manhattan Project that during World War II produced the enriched uranium used in the 1945 bombing of Hiroshima, as well as the first examples of reactor-produced plutonium. Fat Man and Clinton Engineer Works are history of the Manhattan Project.
See Fat Man and Clinton Engineer Works
Code name
A code name, codename, call sign, or cryptonym is a code word or name used, sometimes clandestinely, to refer to another name, word, project, or person. Fat Man and code name are code names.
Composition B
Composition B (Comp B), also known as Hexotol and Hexolite (among others), is a high explosive consisting of castable mixtures of RDX and TNT.
Convair B-36 Peacemaker
The Convair B-36 "Peacemaker" is a strategic bomber that was built by Convair and operated by the United States Air Force (USAF) from 1949 to 1959.
See Fat Man and Convair B-36 Peacemaker
Convair XB-46
The Convair XB-46 was a single example of an experimental medium jet bomber which was developed in the mid-1940s but which never saw production or active duty.
Critical mass
In nuclear engineering, a critical mass is the smallest amount of fissile material needed for a sustained nuclear chain reaction.
Curtis LeMay
Curtis Emerson LeMay (November 15, 1906 – October 1, 1990) was a US Air Force general who implemented an effective but controversial strategic bombing campaign in the Pacific theater of World War II.
Cyclotron
A cyclotron is a type of particle accelerator invented by Ernest Lawrence in 1929–1930 at the University of California, Berkeley, and patented in 1932.
Dashiell Hammett
Samuel Dashiell Hammett (May 27, 1894 – January 10, 1961) was an American writer of hard-boiled detective novels and short stories.
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David Greenglass
David Greenglass (March 2, 1922 – July 1, 2014) was an American machinist who worked on the Manhattan Project and served as an atomic spy for the Soviet Union.
See Fat Man and David Greenglass
Depleted uranium
Depleted uranium (DU; also referred to in the past as Q-metal, depletalloy or D-38) is uranium with a lower content of the fissile isotope 235U than natural uranium.
See Fat Man and Depleted uranium
Detonation
Detonation is a type of combustion involving a supersonic exothermic front accelerating through a medium that eventually drives a shock front propagating directly in front of it.
Douglas C-54 Skymaster
The Douglas C-54 Skymaster is a four-engined transport aircraft used by the United States Army Air Forces in World War II and the Korean War.
See Fat Man and Douglas C-54 Skymaster
Edward Teller
Edward Teller (Teller Ede; January 15, 1908 – September 9, 2003) was a Hungarian-American theoretical physicist and chemical engineer who is known colloquially as "the father of the hydrogen bomb" and one of the creators of the Teller–Ulam design.
Edwin McMillan
Edwin Mattison McMillan (September 18, 1907 – September 7, 1991) was an American physicist credited with being the first to produce a transuranium element, neptunium.
See Fat Man and Edwin McMillan
Emilio Segrè
Emilio Gino Segrè (1 February 1905 – 22 April 1989) was an Italian and naturalized-American physicist and Nobel laureate, who discovered the elements technetium and astatine, and the antiproton, a subatomic antiparticle, for which he was awarded the Nobel Prize in Physics in 1959 along with Owen Chamberlain.
Enewetak Atoll
Enewetak Atoll (also spelled Eniwetok Atoll or sometimes Eniewetok; Ānewetak,, or Āne-wātak,; known to the Japanese as Brown Atoll or Brown Island; ブラウン環礁) is a large coral atoll of 40 islands in the Pacific Ocean and with its 296 people (as of 2021) forms a legislative district of the Ralik Chain of the Marshall Islands.
See Fat Man and Enewetak Atoll
Enriched uranium
Enriched uranium is a type of uranium in which the percent composition of uranium-235 (written 235U) has been increased through the process of isotope separation.
See Fat Man and Enriched uranium
Ernest Lawrence
Ernest Orlando Lawrence (August 8, 1901 – August 27, 1958) was an American nuclear physicist and winner of the Nobel Prize in Physics in 1939 for his invention of the cyclotron.
See Fat Man and Ernest Lawrence
Experimental Mine, U.S. Bureau of Mines
Experimental Mine, U.S. Bureau of Mines is a landmark located in the Pittsburgh suburb of Bruceton, Pennsylvania.
See Fat Man and Experimental Mine, U.S. Bureau of Mines
Exploding-bridgewire detonator
The exploding-bridgewire detonator (EBW, also known as exploding wire detonator) is a type of detonator used to initiate the detonation reaction in explosive materials, similar to a blasting cap because it is fired using an electric current.
See Fat Man and Exploding-bridgewire detonator
Explosive lens
An explosive lens—as used, for example, in nuclear weapons—is a highly specialized shaped charge.
See Fat Man and Explosive lens
Firebombing
Firebombing is a bombing technique designed to damage a target, generally an urban area, through the use of fire, caused by incendiary devices, rather than from the blast effect of large bombs.
Fissile material
In nuclear engineering, fissile material is material that can undergo nuclear fission when struck by a neutron of low energy.
See Fat Man and Fissile material
Fizzle (nuclear explosion)
A fizzle occurs when the detonation of a device for creating a nuclear explosion (such as a nuclear weapon) grossly fails to meet its expected yield.
See Fat Man and Fizzle (nuclear explosion)
Franklin D. Roosevelt
Franklin Delano Roosevelt (January 30, 1882April 12, 1945), commonly known by his initials FDR, was an American politician who served as the 32nd president of the United States from 1933 until his death in 1945.
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Frederick Ashworth
Frederick Lincoln "Dick" Ashworth (24 January 1912 – 3 December 2005) was a United States Navy officer who served as the weaponeer on the B-29 Bockscar that dropped a Fat Man atomic bomb on Nagasaki, Japan on 9 August 1945 during World War II.
See Fat Man and Frederick Ashworth
Frederick C. Bock
Frederick Carl Bock Jr (January 18, 1918 – August 25, 2000) was an American bomber pilot during World War II who took part in the atomic bombing of Nagasaki in 1945.
See Fat Man and Frederick C. Bock
Fuze
In military munitions, a fuze (sometimes fuse) is the part of the device that initiates its function.
See Fat Man and Fuze
Gallium
Gallium is a chemical element; it has the symbol Ga and atomic number 31.
General (United States)
In the United States military, a general is the most senior general-grade officer; it is the highest achievable commissioned officer rank (or echelon) that may be attained in the United States Armed Forces, with exception of the Navy and Coast Guard, which have the equivalent rank of admiral instead.
See Fat Man and General (United States)
George Gamow
George Gamow (sometimes Gammoff; born Georgiy Antonovich Gamov; Георгий Антонович Гамов; 4 March 1904 – 19 August 1968) was a Soviet and American polymath, theoretical physicist and cosmologist.
George Kistiakowsky
George Bogdanovich Kistiakowsky (Георгий Богданович Кистяковский, translit; – December 7, 1982) was a Ukrainian-American physical chemistry professor at Harvard who participated in the Manhattan Project and later served as President Dwight D. Eisenhower's Science Advisor.
See Fat Man and George Kistiakowsky
Gilda
Gilda is a 1946 American film noir directed by Charles Vidor and starring Rita Hayworth and Glenn Ford.
Grand Slam (bomb)
The Bomb, Medium Capacity, (Grand Slam) was a earthquake bomb used by RAF Bomber Command against German targets towards the end of the Second World War.
See Fat Man and Grand Slam (bomb)
Gun-type fission weapon
Gun-type fission weapons are fission-based nuclear weapons whose design assembles their fissile material into a supercritical mass by the use of the "gun" method: shooting one piece of sub-critical material into another.
See Fat Man and Gun-type fission weapon
Hanford Site
The Hanford Site is a decommissioned nuclear production complex operated by the United States federal government on the Columbia River in Benton County in the U.S. state of Washington. Fat Man and Hanford Site are history of the Manhattan Project.
Hans Bethe
Hans Albrecht Bethe (July 2, 1906 – March 6, 2005) was a German-American theoretical physicist who made major contributions to nuclear physics, astrophysics, quantum electrodynamics, and solid-state physics, and who won the 1967 Nobel Prize in Physics for his work on the theory of stellar nucleosynthesis.
Holloman Air Force Base
Holloman Air Force Base is a United States Air Force base established in 1942 located six miles (10 km) southwest of the central business district of Alamogordo, which is the county seat of Otero County, New Mexico, United States.
See Fat Man and Holloman Air Force Base
Hot pressing
Hot pressing is a high-pressure, low-strain-rate powder metallurgy process for forming of a powder or powder compact at a temperature high enough to induce sintering and creep processes.
Hugh Bradner
Hugh Bradner (November 5, 1915 – May 5, 2008) was an American physicist at the University of California who is credited with inventing the neoprene wetsuit, which helped to revolutionize scuba diving and surfing.
Internal structure of Earth
The internal structure of Earth are the layers of the Earth, excluding its atmosphere and hydrosphere.
See Fat Man and Internal structure of Earth
Iowa Army Ammunition Plant
The Iowa Army Ammunition Plant (IAAAP), located in Des Moines County in southeastern Iowa, near the city of Burlington, produces and delivers component assembly, and medium- and large-caliber ammunition items for the United States Department of Defense using modern production methods in support of worldwide operations.
See Fat Man and Iowa Army Ammunition Plant
Isotope
Isotopes are distinct nuclear species (or nuclides) of the same chemical element.
J. Robert Oppenheimer
J.
See Fat Man and J. Robert Oppenheimer
Jacob Beser
Jacob Beser (May 15, 1921 – June 17, 1992) was a lieutenant in the United States Army Air Forces who served during World War II.
James B. Conant
James Bryant Conant (March 26, 1893 – February 11, 1978) was an American chemist, a transformative President of Harvard University, and the first U.S. Ambassador to West Germany.
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James Chadwick
Sir James Chadwick, (20 October 1891 – 24 July 1974) was an English physicist who was awarded the 1935 Nobel Prize in Physics for his discovery of the neutron in 1932.
See Fat Man and James Chadwick
James L. Tuck
James Leslie Tuck (9 January 1910 – 15 December 1980) was a British physicist, working on the applications of explosives as part of the British delegation to Manhattan Project.
John von Neumann
John von Neumann (Neumann János Lajos; December 28, 1903 – February 8, 1957) was a Hungarian and American mathematician, physicist, computer scientist, engineer and polymath.
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Kenneth Nichols
Kenneth David Nichols CBE (13 November 1907 – 21 February 2000) was an officer in the United States Army, and a civil engineer who worked on the secret Manhattan Project, which developed the atomic bomb during World War II.
See Fat Man and Kenneth Nichols
Kermit Beahan
Kermit King Beahan (August 9, 1918 – March 9, 1989) was a career officer in the United States Air Force and its predecessor United States Army Air Forces during World War II.
Kirtland Air Force Base
Kirtland Air Force Base is a United States Air Force base.
See Fat Man and Kirtland Air Force Base
Klaus Fuchs
Klaus Emil Julius Fuchs (29 December 1911 – 28 January 1988) was a German theoretical physicist and atomic spy who supplied information from the American, British, and Canadian Manhattan Project to the Soviet Union during and shortly after World War II.
Kokura
is an ancient castle town and the center of Kitakyushu, Japan, guarding the Straits of Shimonoseki between Honshu and Kyushu with its suburb Moji. Fat Man and Kokura are atomic bombings of Hiroshima and Nagasaki.
L. T. E. Thompson
Louis Ten Eyck Thompson (October 24, 1891 in South Haven, Michigan – December 13, 1978) known as Dr.
See Fat Man and L. T. E. Thompson
Laggin' Dragon
Laggin' Dragon was the name of a Boeing B-29 Superfortress (B-29-50-MO, 44-86347 Victor number 95) configured to carry the atomic bomb in World War II. Fat Man and Laggin' Dragon are atomic bombings of Hiroshima and Nagasaki.
See Fat Man and Laggin' Dragon
Lawrence H. Johnston
Lawrence Harding Johnston (February 11, 1918 – December 4, 2011) was an American physicist, a young contributor to the Manhattan Project.
See Fat Man and Lawrence H. Johnston
Leslie Groves
Leslie Richard Groves Jr. (17 August 1896 – 13 July 1970) was a United States Army Corps of Engineers officer who oversaw the construction of the Pentagon and directed the Manhattan Project, a top secret research project that developed the atomic bomb during World War II.
Little Boy
Little Boy was the name of the type of atomic bomb used in the bombing of the Japanese city of Hiroshima on 6 August 1945 during World War II, making it the first nuclear weapon used in warfare. Fat Man and Little Boy are atomic bombings of Hiroshima and Nagasaki, code names, cold War aerial bombs of the United States, history of the Manhattan Project, nuclear bombs of the United States, weapons and ammunition introduced in 1945, world War II aerial bombs of the United States and world War II weapons of the United States.
Los Alamos Science
Los Alamos Science was the Los Alamos National Laboratory's flagship publication in the years 1980 to 2005.
See Fat Man and Los Alamos Science
Luis Walter Alvarez
Luis Walter Alvarez (June 13, 1911 – September 1, 1988) was an American experimental physicist, inventor, and professor who was awarded the Nobel Prize in Physics in 1968 for his discovery of resonance states in particle physics using the hydrogen bubble chamber.
See Fat Man and Luis Walter Alvarez
Luke the Spook
Luke the Spook was the name of a Boeing B-29-50-MO Superfortress (serial 44-86346, Victor number 94) configured to carry the atomic bomb in World War II.
See Fat Man and Luke the Spook
Major general (United States)
In the United States Armed Forces, a major general is a two-star general officer in the United States Army, Marine Corps, Air Force, and Space Force.
See Fat Man and Major general (United States)
Manhattan Project
The Manhattan Project was a research and development program undertaken during World War II to produce the first nuclear weapons. Fat Man and Manhattan Project are atomic bombings of Hiroshima and Nagasaki and history of the Manhattan Project.
See Fat Man and Manhattan Project
Mark 4 nuclear bomb
The Mark 4 nuclear bomb was an American implosion-type nuclear bomb based on the earlier Mark 3 Fat Man design, used in the Trinity test and the bombing of Nagasaki. Fat Man and Mark 4 nuclear bomb are cold War aerial bombs of the United States and nuclear bombs of the United States.
See Fat Man and Mark 4 nuclear bomb
Martin XB-48
The Martin XB-48 was an American medium jet bomber developed in the mid-1940s.
Maximum takeoff weight
The maximum takeoff weight (MTOW) or maximum gross takeoff weight (MGTOW) or maximum takeoff mass (MTOM) of an aircraft is the maximum weight at which the pilot is allowed to attempt to take off, due to structural or other limits.
See Fat Man and Maximum takeoff weight
Metallurgy
Metallurgy is a domain of materials science and engineering that studies the physical and chemical behavior of metallic elements, their inter-metallic compounds, and their mixtures, which are known as alloys.
Modulated neutron initiator
A modulated neutron initiator is a neutron source capable of producing a burst of neutrons on activation.
See Fat Man and Modulated neutron initiator
Momentum
In Newtonian mechanics, momentum (momenta or momentums; more specifically linear momentum or translational momentum) is the product of the mass and velocity of an object.
Nagasaki
, officially known as Nagasaki City (label), is the capital and the largest city of the Nagasaki Prefecture on the island of Kyushu in Japan. Fat Man and Nagasaki are atomic bombings of Hiroshima and Nagasaki.
National Defense Research Committee
The National Defense Research Committee (NDRC) was an organization created "to coordinate, supervise, and conduct scientific research on the problems underlying the development, production, and use of mechanisms and devices of warfare" in the United States from June 27, 1940, until June 28, 1941.
See Fat Man and National Defense Research Committee
Neutron
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Neutron reflector
A neutron reflector is any material that reflects neutrons.
See Fat Man and Neutron reflector
Neutron temperature
The neutron detection temperature, also called the neutron energy, indicates a free neutron's kinetic energy, usually given in electron volts.
See Fat Man and Neutron temperature
New Mexico
New Mexico (Nuevo MéxicoIn Peninsular Spanish, a spelling variant, Méjico, is also used alongside México. According to the Diccionario panhispánico de dudas by Royal Spanish Academy and Association of Academies of the Spanish Language, the spelling version with J is correct; however, the spelling with X is recommended, as it is the one that is used in Mexican Spanish.; Yootó Hahoodzo) is a state in the Southwestern region of the United States.
Nickel
Nickel is a chemical element; it has symbol Ni and atomic number 28.
Norman Ramsey Jr.
Norman Foster Ramsey Jr. (August 27, 1915 – November 4, 2011) was an American physicist who was awarded the 1989 Nobel Prize in Physics for the invention of the separated oscillatory field method (see Ramsey interferometry), which had important applications in the construction of atomic clocks.
See Fat Man and Norman Ramsey Jr.
North American B-45 Tornado
The North American B-45 Tornado was an early American jet bomber designed and manufactured by aircraft company North American Aviation.
See Fat Man and North American B-45 Tornado
North Field (Tinian)
North Field was a World War II airfield on Tinian in the Mariana Islands. Fat Man and North Field (Tinian) are atomic bombings of Hiroshima and Nagasaki.
See Fat Man and North Field (Tinian)
Nuclear chain reaction
In nuclear physics, a nuclear chain reaction occurs when one single nuclear reaction causes an average of one or more subsequent nuclear reactions, thus leading to the possibility of a self-propagating series or "positive feedback loop" of these reactions.
See Fat Man and Nuclear chain reaction
Nuclear fission
Nuclear fission is a reaction in which the nucleus of an atom splits into two or more smaller nuclei.
See Fat Man and Nuclear fission
Nuclear reactor core
A nuclear reactor core is the portion of a nuclear reactor containing the nuclear fuel components where the nuclear reactions take place and the heat is generated.
See Fat Man and Nuclear reactor core
Nuclear weapon
A nuclear weapon is an explosive device that derives its destructive force from nuclear reactions, either fission (fission bomb) or a combination of fission and fusion reactions (thermonuclear bomb), producing a nuclear explosion. Fat Man and nuclear weapon are weapons and ammunition introduced in 1945.
See Fat Man and Nuclear weapon
Nuclear weapon design
Nuclear weapon designs are physical, chemical, and engineering arrangements that cause the physics package of a nuclear weapon to detonate.
See Fat Man and Nuclear weapon design
Nuclear weapon yield
The explosive yield of a nuclear weapon is the amount of energy released such as blast, thermal, and nuclear radiation, when that particular nuclear weapon is detonated, usually expressed as a TNT equivalent (the standardized equivalent mass of trinitrotoluene which, if detonated, would produce the same energy discharge), either in kilotonnes (kt—thousands of tonnes of TNT), in megatonnes (Mt—millions of tonnes of TNT), or sometimes in terajoules (TJ).
See Fat Man and Nuclear weapon yield
Nuclear weapons testing
Nuclear weapons tests are experiments carried out to determine the performance, yield, and effects of nuclear weapons and have resulted until 2020 in up to 2.4 million people dying from its global fallout.
See Fat Man and Nuclear weapons testing
Omar Bradley
Omar Nelson Bradley (February 12, 1893April 8, 1981) was a senior officer of the United States Army during and after World War II, rising to the rank of General of the Army.
Operation Crossroads
Operation Crossroads was a pair of nuclear weapon tests conducted by the United States at Bikini Atoll in mid-1946. Fat Man and Operation Crossroads are code names and history of the Manhattan Project.
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Operation Sandstone
Operation Sandstone was a series of nuclear weapon tests in 1948.
See Fat Man and Operation Sandstone
Paul Tibbets
Paul Warfield Tibbets Jr. (23 February 1915 – 1 November 2007) was a brigadier general in the United States Air Force.
Philip Morrison
Philip Morrison (November 7, 1915 – April 22, 2005) was a professor of physics at the Massachusetts Institute of Technology (MIT).
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Pit (nuclear weapon)
In nuclear weapon design, the pit is the core of an implosion nuclear weapon, consisting of fissile material and any neutron reflector or tamper bonded to it.
See Fat Man and Pit (nuclear weapon)
Pittsburgh
Pittsburgh is a city in and the county seat of Allegheny County, Pennsylvania, United States.
Plutonium
Plutonium is a chemical element; it has symbol Pu and atomic number 94.
Plutonium-239
Plutonium-239 (239Pu or Pu-239) is an isotope of plutonium.
Plutonium-240
Plutonium-240 (or Pu-240) is an isotope of plutonium formed when plutonium-239 captures a neutron.
Plutonium–gallium alloy
Plutonium–gallium alloy (Pu–Ga) is an alloy of plutonium and gallium, used in nuclear weapon pits, the component of a nuclear weapon where the fission chain reaction is started.
See Fat Man and Plutonium–gallium alloy
Polonium-210
Polonium-210 (210Po, Po-210, historically radium F) is an isotope of polonium.
Primacord
Primacord is a brand of detonating cord used in blasting.
Project Alberta
Project Alberta, also known as Project A, was a section of the Manhattan Project which assisted in delivering the first nuclear weapons in the atomic bombing of Hiroshima and Nagasaki during World War II. Fat Man and Project Alberta are atomic bombings of Hiroshima and Nagasaki and history of the Manhattan Project.
See Fat Man and Project Alberta
Project Camel
Project Camel encompassed the work performed by the California Institute of Technology (Caltech) in support of the Manhattan Project during World War II. Fat Man and Project Camel are code names and history of the Manhattan Project.
Project Y
The Los Alamos Laboratory, also known as Project Y, was a secret laboratory established by the Manhattan Project and operated by the University of California during World War II. Fat Man and Project Y are code names and history of the Manhattan Project.
Pullman (car or coach)
Pullman is the term for railroad sleeping cars that were built and operated by the Pullman Company (founded by George Pullman) from 1867 to December 31, 1968.
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Raemer Schreiber
Raemer Edgar Schreiber (November 11, 1910 – December 24, 1998) was an American physicist from McMinnville, Oregon who served Los Alamos National Laboratory during World War II, participating in the development of the atomic bomb.
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RDS-1
The RDS-1 (РДС-1), also known as Izdeliye 501 (device 501) and First Lightning, was the nuclear bomb used in the Soviet Union's first nuclear weapon test.
RDX
RDX (abbreviation of "Research Department eXplosive" or Royal Demolition eXplosive) or hexogen, among other names, is an organic compound with the formula (CH2N2O2)3.
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Rear admiral (United States)
A rear admiral in the uniformed services of the United States is either of two different ranks of commissioned officers: one-star flag officers and two-star flag officers.
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Richard C. Tolman
Richard Chace Tolman (March 4, 1881 – September 5, 1948) was an American mathematical physicist and physical chemist who made many contributions to statistical mechanics.
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Rita Hayworth
Rita Hayworth (born Margarita Carmen Cansino; October 17, 1918May 14, 1987) was an American actress, dancer, and pin-up girl.
Robert F. Christy
Robert Frederick Christy (May 14, 1916 – October 3, 2012) was a Canadian-American theoretical physicist and later astrophysicist who was one of the last surviving people to have worked on the Manhattan Project during World War II.
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Robert Serber
Robert Serber (March 14, 1909 – June 1, 1997) was an American physicist who participated in the Manhattan Project.
Rock Island Arsenal
The Rock Island Arsenal comprises 946 acres (383 ha) and is located on Arsenal Island, originally known as Rock Island, on the Mississippi River between the cities of Davenport, Iowa, and Rock Island, Illinois.
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Roswell, New Mexico
Roswell is a city in and the seat of Chaves County, New Mexico, United States.
See Fat Man and Roswell, New Mexico
Salt Wells Pilot Plant
The Salt Wells Pilot Plant was a facility established by the Manhattan Project at the Naval Ordnance Test Station (NOTS) at Inyokern, California, where non-nuclear explosive components of nuclear weapons were manufactured. Fat Man and Salt Wells Pilot Plant are history of the Manhattan Project.
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Sandia Base
Sandia Base was the principal nuclear weapons installation of the United States Department of Defense from 1946 to 1971.
Seth Neddermeyer
Seth Henry Neddermeyer (September 16, 1907 – January 29, 1988) was an American physicist who co-discovered the muon, and later championed the implosion-type nuclear weapon while working on the Manhattan Project at the Los Alamos Laboratory during World War II.
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Shaped charge
A shaped charge is an explosive charge shaped to focus the effect of the explosive's energy.
Silverplate
Silverplate was the code reference for the United States Army Air Forces' participation in the Manhattan Project during World War II. Fat Man and Silverplate are atomic bombings of Hiroshima and Nagasaki and history of the Manhattan Project.
SNAFU
SNAFU is an acronym that is widely used to stand for the sarcastic expression Situation normal: all fucked up.
Sydney Greenstreet
Sydney Hughes Greenstreet (December 27, 1879 – January 18, 1954) was a British and American actor.
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Tamper (nuclear weapon)
A tamper is an optional layer of dense material surrounding the fissile material.
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The Great Artiste
The Great Artiste was a U.S. Army Air Forces Silverplate B-29 bomber (B-29-40-MO, Victor number 89), assigned to the 393d Bomb Squadron, 509th Composite Group. Fat Man and the Great Artiste are atomic bombings of Hiroshima and Nagasaki.
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The Maltese Falcon (1941 film)
The Maltese Falcon is a 1941 American film noir in which a San Francisco private detective deals with three unscrupulous adventurers, all seeking a jewel-encrusted falcon statuette.
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The New Yorker
The New Yorker is an American magazine featuring journalism, commentary, criticism, essays, fiction, satire, cartoons, and poetry.
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The Thin Man
The Thin Man (1934) is a detective novel by Dashiell Hammett, originally published in a condensed version in the December 1933 issue of Redbook.
The Thin Man (film)
The Thin Man is a 1934 American pre-Code comedy-mystery film directed by W. S. Van Dyke and based on the 1934 novel of the same name by Dashiell Hammett.
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Theodore Hall
Theodore Alvin Hall (October 20, 1925 – November 1, 1999) was an American physicist and an atomic spy for the Soviet Union, who, during his work on United States efforts to develop the first and second atomic bombs during World War II (the Manhattan Project), gave a detailed description of the "Fat Man" plutonium bomb, and of several processes for purifying plutonium, to Soviet intelligence.
Thin Man (nuclear bomb)
"Thin Man" was the code name for a proposed plutonium-fueled gun-type nuclear bomb that the United States was developing during the Manhattan Project. Fat Man and Thin Man (nuclear bomb) are code names, history of the Manhattan Project, nuclear bombs of the United States and world War II aerial bombs of the United States.
See Fat Man and Thin Man (nuclear bomb)
Third Shot
The Third Shot was the first of a series of American nuclear weapons intended for use against Japan in World War II, subsequent to the nuclear attacks on Hiroshima and Nagasaki. Fat Man and Third Shot are cold War aerial bombs of the United States, history of the Manhattan Project, nuclear bombs of the United States, weapons and ammunition introduced in 1945, world War II aerial bombs of the United States and world War II weapons of the United States.
Thomas Farrell (United States Army officer)
Major General Thomas Francis Farrell (3 December 1891 – 11 April 1967) was the Deputy Commanding General and Chief of Field Operations of the Manhattan Project, acting as executive officer to Major General Leslie R. Groves Jr. Farrell graduated from Rensselaer Polytechnic Institute with a degree in civil engineering in 1912.
See Fat Man and Thomas Farrell (United States Army officer)
Tinian, Northern Mariana Islands
Tinian is one of the three principal islands of the Commonwealth of the Northern Mariana Islands (CNMI). Fat Man and Tinian, Northern Mariana Islands are atomic bombings of Hiroshima and Nagasaki.
See Fat Man and Tinian, Northern Mariana Islands
TNT
Trinitrotoluene, more commonly known as TNT (and more specifically 2,4,6-trinitrotoluene), and by its preferred IUPAC name 2-methyl-1,3,5-trinitrobenzene, is a chemical compound with the formula C6H2(NO2)3CH3.
See Fat Man and TNT
Trinity (nuclear test)
Trinity was the code name of the first detonation of a nuclear weapon, conducted by the United States Army at 5:29 a.m. MWT (11:29:21 GMT) on July 16, 1945, as part of the Manhattan Project. Fat Man and Trinity (nuclear test) are code names and history of the Manhattan Project.
See Fat Man and Trinity (nuclear test)
Truncated icosahedron
In geometry, the truncated icosahedron is a polyhedron that can be constructed by truncating all of the regular icosahedron's vertices.
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Tube Alloys
Tube Alloys was the research and development programme authorised by the United Kingdom, with participation from Canada, to develop nuclear weapons during the Second World War. Fat Man and Tube Alloys are code names.
Turbulence
In fluid dynamics, turbulence or turbulent flow is fluid motion characterized by chaotic changes in pressure and flow velocity.
Type 91 torpedo
The Type 91 was an aerial torpedo of the Imperial Japanese Navy.
See Fat Man and Type 91 torpedo
Unguided bomb
An unguided bomb, also known as a free-fall bomb, gravity bomb, dumb bomb, or iron bomb, is an aircraft-dropped bomb (conventional or nuclear) that does not contain a guidance system and hence simply follows a ballistic trajectory.
United States Army Air Forces
The United States Army Air Forces (USAAF or AAF) was the major land-based aerial warfare service component of the United States Army and de facto aerial warfare service branch of the United States during and immediately after World War II (1941–1947).
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United States Bureau of Mines
For most of the 20th century, the United States Bureau of Mines (USBM) was the primary United States government agency conducting scientific research and disseminating information on the extraction, processing, use, and conservation of mineral resources.
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Uranium
Uranium is a chemical element; it has symbol U and atomic number 92.
USS LSM-60
USS LSM-60 was a World War II era landing ship, medium (LSM) amphibious assault ship of the United States Navy.
Walker Air Force Base
Walker Air Force Base is a closed United States Air Force base located three miles (5 km) south of the central business district of Roswell, New Mexico.
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Wallace Akers
Sir Wallace Alan Akers (9 September 1888 – 1 November 1954) was a British chemist and industrialist.
Wavefront
In physics, the wavefront of a time-varying wave field is the set (locus) of all points having the same phase.
William R. Purnell
Rear Admiral William Reynolds Purnell (6 September 1886 – 3 March 1955) was an officer in the United States Navy who served in World War I and World War II.
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William Sterling Parsons
William Sterling Parsons (26 November 1901 – 5 December 1953) was an American naval officer who worked as an ordnance expert on the Manhattan Project during World War II.
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Winston Churchill
Sir Winston Leonard Spencer Churchill (30 November 187424 January 1965) was a British statesman, soldier, and writer who was twice Prime Minister of the United Kingdom, from 1940 to 1945 during the Second World War, and 1951 to 1955.
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X-10 Graphite Reactor
The X-10 Graphite Reactor is a decommissioned nuclear reactor at Oak Ridge National Laboratory in Oak Ridge, Tennessee. Fat Man and x-10 Graphite Reactor are history of the Manhattan Project.
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Yahata, Fukuoka
was a city in Japan until it was absorbed into the newly created city of Kitakyushu in 1963.
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216th Army Air Forces Base Unit
The 216th Army Air Forces Base Unit (AAF BU) (Special) provided base services at Wendover Army Airfield, where the 509th Composite Group was stationed during World War II.
See Fat Man and 216th Army Air Forces Base Unit
393rd Bomb Squadron
The 393rd Bomb SquadronOfficially, the 393d Bomb Squadron is part of the 509th Bomb Wing at Whiteman Air Force Base, Missouri.
See Fat Man and 393rd Bomb Squadron
509th Composite Group
The 509th Composite Group (509 CG) was a unit of the United States Army Air Forces created during World War II and tasked with the operational deployment of nuclear weapons. It conducted the atomic bombings of Hiroshima and Nagasaki, Japan, in August 1945. The group was activated on 17 December 1944 at Wendover Army Air Field, Utah. Fat Man and 509th Composite Group are atomic bombings of Hiroshima and Nagasaki.
See Fat Man and 509th Composite Group
See also
Atomic bombings of Hiroshima and Nagasaki
- 509th Composite Group
- Aioi Bridge
- Atom-bombed Mary
- Atomic Bomb Casualty Commission
- Atomic bombings of Hiroshima and Nagasaki
- Big Stink (aircraft)
- Bockscar
- Boeing B-29 Superfortress
- Burnt Shadows
- Debate over the atomic bombings of Hiroshima and Nagasaki
- Enola Gay
- Epidemiology data for low-linear energy transfer radiation
- Fat Man
- Franck Report
- Full House (aircraft)
- Hibakujumoku
- Hibakusha
- Hiroshima
- Hiroshima Peace Memorial Ceremony
- Hypocenter
- Interim Committee
- Jabit III
- Kokura
- Laggin' Dragon
- Little Boy
- Manhattan Project
- Marcus McDilda
- Nagasaki
- Necessary Evil (aircraft)
- Niigata (city)
- North Field (Tinian)
- Operations Order No. 35
- Potsdam Declaration
- Project Alberta
- Pumpkin bomb
- Radiation Effects Research Foundation
- Ryuichi Shimoda v. The State
- Shima Hospital
- Silverplate
- Straight Flush
- Szilárd petition
- The Great Artiste
- Tinian Naval Base
- Tinian, Northern Mariana Islands
- USS Indianapolis (CA-35)
- Up An' Atom
- Urakami
- Yahata Steel Works
History of the Manhattan Project
- Alsos Mission
- Ames Project
- Atomic Energy Act of 1946
- Atomic Heritage Foundation
- Atomic bombings of Hiroshima and Nagasaki
- British contribution to the Manhattan Project
- Calutron
- Chicago Pile-1
- Clinton Engineer Works
- Dayton Project
- Demon core
- Einstein–Szilard letter
- Fat Man
- German submarine U-234
- Hanford Engineer Works
- Hanford Site
- Interim Committee
- K-25
- Little Boy
- Manhattan Project
- Metallurgical Laboratory
- Montreal Laboratory
- Operation Crossroads
- Operation Peppermint
- P-9 Project
- Project Alberta
- Project Camel
- Project Y
- Pumpkin bomb
- Quebec Agreement
- S-1 Executive Committee
- S-50 (Manhattan Project)
- Salt Wells Pilot Plant
- Silverplate
- Smyth Report
- Thin Man (nuclear bomb)
- Third Shot
- Timeline of the Manhattan Project
- Trinity (nuclear test)
- USS Indianapolis (CA-35)
- X-10 Graphite Reactor
Nuclear bombs of the United States
- B28 nuclear bomb
- B41 nuclear bomb
- B43 nuclear bomb
- B46 nuclear bomb
- B53 nuclear bomb
- B57 nuclear bomb
- B61 nuclear bomb
- B77 nuclear bomb
- B83 nuclear bomb
- B90 nuclear bomb
- Fat Man
- Kinglet (nuclear primary)
- Little Boy
- Mark 10 nuclear bomb
- Mark 11 nuclear bomb
- Mark 12 nuclear bomb
- Mark 13 nuclear bomb
- Mark 14 nuclear bomb
- Mark 15 nuclear bomb
- Mark 16 nuclear bomb
- Mark 17 nuclear bomb
- Mark 18 nuclear bomb
- Mark 21 nuclear bomb
- Mark 22 nuclear bomb
- Mark 24 nuclear bomb
- Mark 26 nuclear bomb
- Mark 27 nuclear bomb
- Mark 36 nuclear bomb
- Mark 39 nuclear bomb
- Mark 4 nuclear bomb
- Mark 5 nuclear bomb
- Mark 6 nuclear bomb
- Mark 7 nuclear bomb
- Mark 8 nuclear bomb
- Mark 90 nuclear bomb
- Mk 101 Lulu
- Mk 105 Hotpoint
- Python (nuclear primary)
- Reliable Replacement Warhead
- Robin (nuclear primary)
- Swan (nuclear primary)
- Thin Man (nuclear bomb)
- Third Shot
- Tsetse (nuclear primary)
Weapons and ammunition introduced in 1945
- 5-inch/54-caliber Mark 16 gun
- 7.5 cm FK 7M85
- ASM-N-2 Bat
- Blohm & Voss BV 246
- Carl Gustaf m/45
- Disney bomb
- Fat Man
- Fliegerfaust
- JB-3 Tiamat
- KP m/44 submachine gun
- Little Boy
- M16 (rocket)
- M20 recoilless rifle
- MG 45
- MP 3008
- Nuclear weapon
- Panzerblitz (missile)
- SKS
- StG 45(M)
- Sugiura pistol
- Third Shot
- Type 5 15 cm AA gun
- VB-3 Razon
- Volkssturmgewehr
World War II aerial bombs of the United States
- ASM-N-2 Bat
- Azon
- Fat Man
- GB-4
- LBD Gargoyle
- Little Boy
- M47 bomb
- M69 incendiary
- Mark 65 bomb
- Pelican (bomb)
- Pumpkin bomb
- Thin Man (nuclear bomb)
- Third Shot
- VB-6 Felix
World War II weapons of the United States
- 0.60
- 2.25-Inch Sub-Caliber Aircraft Rocket
- 3.5-Inch Forward Firing Aircraft Rocket
- 37 mm gun M1
- 4.5-Inch Beach Barrage Rocket
- 5-Inch Forward Firing Aircraft Rocket
- 7.2-Inch Demolition Rocket
- American military technology during World War II
- Anti-Aircraft Target Rocket M2
- Azon
- Bat bomb
- Fat Man
- GB-4
- High Velocity Aircraft Rocket
- Hispano-Suiza HS.404
- List of World War II weapons of the United States
- List of the United States Army weapons by supply catalog designation
- Little Boy
- M16 (rocket)
- M8 (rocket)
- Mark 13 torpedo
- Mark 14 torpedo
- Mark 15 torpedo
- Mark 16 torpedo
- Mark 17 torpedo
- Mark 18 torpedo
- Mark 23 torpedo
- Mark 24 mine
- Mark 27 torpedo
- Mark 28 torpedo
- Mousetrap (weapon)
- Operation Aphrodite
- Project Pigeon
- Ronson flamethrower
- Third Shot
- Tiny Tim (rocket)
- VB-6 Felix
References
Also known as Fat Man (nuclear weapon), Mark 3 nuclear bomb, Mark III nuclear bomb, Model 1561, Nagasaki Bomb, Nagasaki nuclear bomb.