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127 relations: Air burst, Aircraft carrier, Alsos Mission, Anti-personnel weapon, Atomic bombings of Hiroshima and Nagasaki, Barometer, Big Stink (aircraft), Boeing B-29 Superfortress, Bureau of Ordnance, Captain (United States O-3), Captain (United States O-6), Center Line, Michigan, Charles Sweeney, Cluster munition, Code name, Colonel (United States), Conventional weapon, Cordite, Critical mass, Cyclotron, Dashiell Hammett, Detroit, E-book, Edgar Sengier, Emilio Segrè, Enola Gay, Enriched uranium, Explosive material, Fat Man, Federation of American Scientists, Firestorm, Fizzle (nuclear explosion), Fragmentation (weaponry), Francis Birch (geophysicist), Frederick Reines, Fuze, Gamma ray, George T. Reynolds, Gram, Gun-type fission weapon, Hanford Site, Harold Agnew, Harry S. Truman, Heavy cruiser, Hiroshima, Hiroshima Peace Memorial Museum, Hunters Point Naval Shipyard, Hypocenter, Imperial Japanese Army, Imperial War Museum, ..., Incendiary device, Isotope, Isotope separation, Iwo Jima, J. Robert Oppenheimer, Jabit III, Kinetic energy, Lawrence H. Johnston, Leslie Groves, Lieutenant commander (United States), Lockheed P-2 Neptune, Louisville, Kentucky, Luis Walter Alvarez, Major, Major general (United States), Manhattan Project, Mass–energy equivalence, Midway-class aircraft carrier, Modulated neutron initiator, Monica (radar), Morris R. Jeppson, Muzzle velocity, Nagasaki, Neutron moderator, Neutron radiation, Next Objective, Nuclear chain reaction, Nuclear explosion, Nuclear fallout, Nuclear fission, Nuclear weapon, Nuclear weapon design, Nuclear weapons testing, Oak Ridge, Tennessee, Paul Tibbets, Plutonium, Plutonium-239, Plutonium-240, Pocatello, Idaho, Pounds per square inch, President of the United States, Project Alberta, Project Gutenberg, Project Y, Radar altimeter, Redundancy (engineering), Robert Serber, Sandia Base, Second lieutenant, Shinkolobwe, Smithsonian Institution, Stratosphere, Sydney Greenstreet, Tail warning radar, The Great Artiste, The Maltese Falcon (1941 film), The New Yorker, The Thin Man, The Thin Man (film), Thin Man (nuclear bomb), Trinity (nuclear test), Tungsten carbide, Union Minière du Haut Katanga, United States Army Air Forces, United States Department of Energy, United States Strategic Bombing Survey, Uranium, Uranium-235, War, Washington Navy Yard, Wigner effect, William Penney, Baron Penney, William Sterling Parsons, World War II, X-ray, Y-12 National Security Complex, 509th Composite Group. Expand index (77 more) »
Air burst
An air burst is the detonation of an explosive device such as an anti-personnel artillery shell or a nuclear weapon in the air instead of on contact with the ground or target or a delayed armor-piercing explosion.
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Aircraft carrier
An aircraft carrier is a warship that serves as a seagoing airbase, equipped with a full-length flight deck and facilities for carrying, arming, deploying, and recovering aircraft.
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Alsos Mission
The Alsos Mission was an organized effort by a team of United States military, scientific, and intelligence personnel to discover enemy scientific developments during World War II.
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Anti-personnel weapon
An anti-personnel weapon is a weapon primarily used to maim or kill infantry and other personnel not behind armor, as opposed to attacking structures or vehicles, or hunting game.
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Atomic bombings of Hiroshima and Nagasaki
During the final stage of World War II, the United States detonated two nuclear weapons over the Japanese cities of Hiroshima and Nagasaki on August 6 and 9, 1945, respectively.
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Barometer
A barometer is a scientific instrument used in meteorology to measure atmospheric pressure.
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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.
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Boeing B-29 Superfortress
The Boeing B-29 Superfortress is a four-engine propeller-driven heavy bomber designed by Boeing, which was flown primarily by the United States during World War II and the Korean War.
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Bureau of Ordnance
The Bureau of Ordnance (BuOrd) was the U.S. Navy's organization responsible for the procurement, storage, and deployment of all naval weapons, between the years 1862 and 1959.
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Captain (United States O-3)
In the United States Army (USA), U.S. Marine Corps (USMC), and U.S. Air Force (USAF), captain (abbreviated "CPT" in the USA and "Capt" in the USMC and USAF) is a company grade officer rank, with the pay grade of O-3.
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Captain (United States O-6)
In the United States Navy, United States Coast Guard, United States Public Health Service Commissioned Corps (USPHS), and National Oceanic and Atmospheric Administration Commissioned Officer Corps (NOAA Corps), captain is the senior-most commissioned officer rank below that of flag officer (i.e., admirals).
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Center Line, Michigan
Center Line is a city in Macomb County in the U.S. state of Michigan, surrounded entirely by the city of Warren.
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Charles Sweeney
Major General Charles W. 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.
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Cluster munition
A cluster munition is a form of air-dropped or ground-launched explosive weapon that releases or ejects smaller submunitions.
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Code name
A code name or cryptonym is a word or name used, sometimes clandestinely, to refer to another name, word, project or person.
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Colonel (United States)
In the United States Army, Marine Corps, and Air Force, colonel is the most senior field grade military officer rank, immediately above the rank of lieutenant colonel and immediately below the rank of brigadier general.
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Conventional weapon
The terms conventional weapons or conventional arms generally refer to weapons that are in relatively wide use that are not weapons of mass destruction (e.g. nuclear, biological, and chemical weapons).
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Cordite
* Cordite is a family of smokeless propellants developed and produced in the United Kingdom since 1889 to replace gunpowder as a military propellant.
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Critical mass
A critical mass is the smallest amount of fissile material needed for a sustained nuclear chain reaction.
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Cyclotron
A cyclotron is a type of particle accelerator invented by Ernest O. Lawrence in 1929-1930 at the University of California, Berkeley, and patented in 1932.
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Dashiell Hammett
Samuel Dashiell Hammett (May 27, 1894 – January 10, 1961) was an American author of hard-boiled detective novels and short stories, screenwriter, and political activist.
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Detroit
Detroit is the most populous city in the U.S. state of Michigan, the largest city on the United States–Canada border, and the seat of Wayne County.
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E-book
An electronic book (or e-book or eBook) is a book publication made available in digital form, consisting of text, images, or both, readable on the flat-panel display of computers or other electronic devices.
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Edgar Sengier
Edgar Edouard Bernard Sengier (9 October 1879 – 26 July 1963) was a Belgian businessman and director of the Union Minière du Haut Katanga (UMHK) mining company that operated in Belgian Congo during World War II.
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Emilio Segrè
Emilio Gino Segrè (1 February 1905 – 22 April 1989) was an Italian-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.
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Enola Gay
The Enola Gay is a Boeing B-29 Superfortress bomber, named after Enola Gay Tibbets, the mother of the pilot, Colonel Paul Tibbets, who selected the aircraft while it was still on the assembly line.
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Enriched uranium
Enriched uranium is a type of uranium in which the percent composition of uranium-235 has been increased through the process of isotope separation.
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Explosive material
An explosive material, also called an explosive, is a reactive substance that contains a great amount of potential energy that can produce an explosion if released suddenly, usually accompanied by the production of light, heat, sound, and pressure.
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Fat Man
"Fat Man" was the codename for the atomic bomb that was detonated over the Japanese city of Nagasaki by the United States on 9 August 1945.
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Federation of American Scientists
The Federation of American Scientists (FAS) is a 501(c)(3) organization with the stated intent of using science and scientific analysis to attempt to make the world more secure.
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Firestorm
A firestorm is a conflagration which attains such intensity that it creates and sustains its own wind system.
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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.
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Fragmentation (weaponry)
Fragmentation is the process by which the casing of an artillery or mortar shell, rocket, missile, bomb, grenade, etc.
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Francis Birch (geophysicist)
Francis Birch (August 22, 1903 – January 30, 1992) was an American geophysicist.
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Frederick Reines
Frederick Reines (March 16, 1918 – August 26, 1998) was an American physicist.
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Fuze
In military munitions, a fuze (sometimes fuse) is the part of the device that initiates function.
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Gamma ray
A gamma ray or gamma radiation (symbol γ or \gamma), is penetrating electromagnetic radiation arising from the radioactive decay of atomic nuclei.
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George T. Reynolds
George Thomas Reynolds (May 27, 1917 – April 19, 2005) was an American physicist best known for his accomplishments in particle physics, biophysics and environmental science.
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Gram
The gram (alternative spelling: gramme; SI unit symbol: g) (Latin gramma, from Greek γράμμα, grámma) is a metric system unit of mass.
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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.
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Hanford Site
The Hanford Site is a decommissioned nuclear production complex operated by the United States federal government on the Columbia River in the U.S. state of Washington.
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Harold Agnew
Harold Melvin Agnew (March 28, 1921 – September 29, 2013) was an American physicist, best known for having flown as a scientific observer on the Hiroshima bombing mission and, later, as the third director of the Los Alamos National Laboratory.
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Harry S. Truman
Harry S. Truman (May 8, 1884 – December 26, 1972) was an American statesman who served as the 33rd President of the United States (1945–1953), taking office upon the death of Franklin D. Roosevelt.
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Heavy cruiser
The heavy cruiser was a type of cruiser, a naval warship designed for long range and high speed, armed generally with naval guns of roughly 203mm calibre (8 inches in caliber) of whose design parameters were dictated by the Washington Naval Treaty of 1922 and the London Naval Treaty of 1930.
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Hiroshima
is the capital of Hiroshima Prefecture and the largest city in the Chūgoku region of western Honshu - the largest island of Japan.
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Hiroshima Peace Memorial Museum
The Hiroshima Peace Memorial Museum is a museum located in Hiroshima Peace Memorial Park, in central Hiroshima, Japan, dedicated to documenting the atomic bombing of Hiroshima in World War II.
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Hunters Point Naval Shipyard
The San Francisco Naval Shipyard was a United States Navy shipyard in San Francisco, located on of waterfront at Hunters Point in the southeast corner of the city.
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Hypocenter
A hypocenter (or hypocentre) (from ὑπόκεντρον for 'below the center') is the point of origin of an earthquake or a subsurface nuclear explosion.
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Imperial Japanese Army
The Imperial Japanese Army (IJA; Dai-Nippon Teikoku Rikugun; "Army of the Greater Japanese Empire") was the official ground-based armed force of the Empire of Japan from 1868 to 1945.
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Imperial War Museum
Imperial War Museums (IWM) is a British national museum organisation with branches at five locations in England, three of which are in London.
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Incendiary device
Incendiary weapons, incendiary devices or incendiary bombs are weapons designed to start fires or destroy sensitive equipment using fire (and sometimes used as anti-personnel weaponry), that use materials such as napalm, thermite, magnesium powder, chlorine trifluoride, or white phosphorus.
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Isotope
Isotopes are variants of a particular chemical element which differ in neutron number.
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Isotope separation
Isotope separation is the process of concentrating specific isotopes of a chemical element by removing other isotopes.
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Iwo Jima
, known in English as Iwo Jima, is one of the Japanese Volcano Islands and lies south of the Ogasawara Islands.
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J. Robert Oppenheimer
Julius Robert Oppenheimer (April 22, 1904 – February 18, 1967) was an American theoretical physicist and professor of physics at the University of California, Berkeley.
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Jabit III
Jabit III (alternately spelled Jabbitt III) was the name of a B-29 Superfortress (B-29-36-MO 44-27303, Victor number 71) participating in the atomic bomb attack on Hiroshima on August 6, 1945.
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Kinetic energy
In physics, the kinetic energy of an object is the energy that it possesses due to its motion.
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Lawrence H. Johnston
Lawrence Harding "Larry" Johnston (February 11, 1918 – December 4, 2011) was an American physicist, a young contributor to the Manhattan Project.
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Leslie Groves
Lieutenant General 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.
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Lieutenant commander (United States)
Lieutenant commander (LCDR) is a mid-ranking officer rank in the United States Navy, the United States Coast Guard, the United States Public Health Service Commissioned Corps, and the National Oceanic and Atmospheric Administration Commissioned Officer Corps (NOAA Corps), with the pay grade of O-4 and NATO rank code OF-3.
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Lockheed P-2 Neptune
The Lockheed P-2 Neptune (designated P2V by the United States Navy prior to September 1962) was a maritime patrol and anti-submarine warfare (ASW) aircraft.
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Louisville, Kentucky
Louisville is the largest city in the Commonwealth of Kentucky and the 29th most-populous city in the United States.
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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.
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Major
Major is a military rank of commissioned officer status, with corresponding ranks existing in many military forces throughout the world.
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Major general (United States)
In the United States Army, United States Marine Corps, and United States Air Force, major general is a two-star general-officer rank, with the pay grade of O-8.
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Manhattan Project
The Manhattan Project was a research and development undertaking during World War II that produced the first nuclear weapons.
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Mass–energy equivalence
In physics, mass–energy equivalence states that anything having mass has an equivalent amount of energy and vice versa, with these fundamental quantities directly relating to one another by Albert Einstein's famous formula: E.
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Midway-class aircraft carrier
The Midway-class aircraft carrier was one of the longest-serving aircraft carrier designs in history.
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Modulated neutron initiator
A modulated neutron initiator is a neutron source capable of producing a burst of neutrons on activation.
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Monica (radar)
Monica was a range-only tail warning radar for bombers, introduced by the RAF in June 1942.
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Morris R. Jeppson
Morris Richard Jeppson (June 23, 1922 – March 30, 2010) was a Second Lieutenant in the United States Army Air Forces during World War II.
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Muzzle velocity
Muzzle velocity is the speed of a projectile at the moment it leaves the muzzle of a gun.
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Nagasaki
() is the capital and the largest city of Nagasaki Prefecture on the island of Kyushu in Japan.
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Neutron moderator
In nuclear engineering, a neutron moderator is a medium that reduces the speed of fast neutrons, thereby turning them into thermal neutrons capable of sustaining a nuclear chain reaction involving uranium-235 or a similar fissile nuclide.
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Neutron radiation
Neutron radiation is a form of ionizing radiation that presents as free neutrons.
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Next Objective
Next Objective was the name of a Boeing B-29-36-MO Superfortress, 44-27299, Victor 86, modified to carry the atomic bomb in World War II.
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Nuclear chain reaction
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 of these reactions.
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Nuclear explosion
A nuclear explosion is an explosion that occurs as a result of the rapid release of energy from a high-speed nuclear reaction.
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Nuclear fallout
Nuclear fallout, or simply fallout, is the residual radioactive material propelled into the upper atmosphere following a nuclear blast, so called because it "falls out" of the sky after the explosion and the shock wave have passed.
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Nuclear fission
In nuclear physics and nuclear chemistry, nuclear fission is either a nuclear reaction or a radioactive decay process in which the nucleus of an atom splits into smaller parts (lighter nuclei).
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Nuclear weapon
A nuclear weapon is an explosive device that derives its destructive force from nuclear reactions, either fission (fission bomb) or from a combination of fission and fusion reactions (thermonuclear bomb).
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Nuclear weapon design
Nuclear weapon designs are physical, chemical, and engineering arrangements that cause the physics package of a nuclear weapon to detonate.
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Nuclear weapons testing
Nuclear weapons tests are experiments carried out to determine the effectiveness, yield, and explosive capability of nuclear weapons.
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Oak Ridge, Tennessee
Oak Ridge is a city in Anderson and Roane counties in the eastern part of the U.S. state of Tennessee, about west of Knoxville.
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Paul Tibbets
Paul Warfield Tibbets Jr. (23 February 1915 – 1 November 2007) was a brigadier general in the United States Air Force.
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Plutonium
Plutonium is a radioactive chemical element with symbol Pu and atomic number 94.
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Plutonium-239
Plutonium-239 is an isotope of plutonium.
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Plutonium-240
Plutonium-240 (/Pu-240) is an isotope of the actinide metal plutonium formed when plutonium-239 captures a neutron.
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Pocatello, Idaho
Pocatello is the county seat and largest city of Bannock County, with a small portion on the Fort Hall Indian Reservation in neighboring Power County, in the southeastern part of the U.S. state of Idaho.
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Pounds per square inch
The pound per square inch or, more accurately, pound-force per square inch (symbol: lbf/in2; abbreviation: psi) is a unit of pressure or of stress based on avoirdupois units.
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President of the United States
The President of the United States (POTUS) is the head of state and head of government of the United States of America.
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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.
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Project Gutenberg
Project Gutenberg (PG) is a volunteer effort to digitize and archive cultural works, to "encourage the creation and distribution of eBooks".
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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.
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Radar altimeter
A radar altimeter, electronic altimeter, reflection altimeter, radio altimeter (RADALT), low range radio altimeter (LRRA) or simply RA, used on aircraft, measures altitude above the terrain presently beneath an aircraft or spacecraft by timing how long it takes a beam of radio waves to reflect from the ground and return to the plane.
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Redundancy (engineering)
In engineering, redundancy is the duplication of critical components or functions of a system with the intention of increasing reliability of the system, usually in the form of a backup or fail-safe, or to improve actual system performance, such as in the case of GNSS receivers, or multi-threaded computer processing.
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Robert Serber
Robert Serber (March 14, 1909 – June 1, 1997) was an American physicist who participated in the Manhattan Project.
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Sandia Base
Sandia Base was, from 1946 to 1971, the principal nuclear weapons installation of the United States Department of Defense.
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Second lieutenant
Second lieutenant (called lieutenant in some countries) is a junior commissioned officer military rank in many armed forces, comparable to NATO OF-1b rank.
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Shinkolobwe
Shinkolobwe, or Kasolo, or Chinkolobew, or Shainkolobwe, is a radium and uranium mine in the Katanga province of the Democratic Republic of the Congo (DRC), located 20 km west of Likasi, 20 km south of Kambove, and about 145 km northwest of Lubumbashi.
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Smithsonian Institution
The Smithsonian Institution, established on August 10, 1846 "for the increase and diffusion of knowledge," is a group of museums and research centers administered by the Government of the United States.
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Stratosphere
The stratosphere is the second major layer of Earth's atmosphere, just above the troposphere, and below the mesosphere.
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Sydney Greenstreet
Sydney Hughes Greenstreet (27 December 1879 – 18 January 1954) was a British actor who did not work in films until the age of 62, but enjoyed a run of notable hits in a Hollywood career lasting just eight years.
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Tail warning radar
A tail warning radar was a short-lived class of aircraft-mounted radar systems used to provide warning of another aircraft approaching from the rear.
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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 44-27353, Victor number 89), assigned to the 393d Bomb Squadron, 509th Composite Group.
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The Maltese Falcon (1941 film)
The Maltese Falcon is a 1941 film noir written and directed by John Huston in his directorial debut, and based on Dashiell Hammett's 1930 novel of the same name.
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The New Yorker
The New Yorker is an American magazine of reportage, 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 the December 1933 issue of Redbook.
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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 novel of the same name by Dashiell Hammett.
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Thin Man (nuclear bomb)
"Thin Man" was the codename for a proposed plutonium gun-type nuclear bomb using plutonium-239 which the United States was developing during the Manhattan Project.
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Trinity (nuclear test)
Trinity was the code name of the first detonation of a nuclear weapon.
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Tungsten carbide
Tungsten carbide (chemical formula: WC) is a chemical compound (specifically, a carbide) containing equal parts of tungsten and carbon atoms.
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Union Minière du Haut Katanga
The Union Minière du Haut-Katanga (French; "Mining Union of Upper Katanga"), often abbreviated to Union Minière or UMHK, was a Belgian mining company which operated in the former Congo Free State and Belgian Congo between 1906 and 1966.
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United States Army Air Forces
The United States Army Air Forces (USAAF or AAF), informally known as the Air Force, was the aerial warfare service of the United States of America during and immediately after World War II (1939/41–1945), successor to the previous United States Army Air Corps and the direct predecessor of the United States Air Force of today, one of the five uniformed military services.
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United States Department of Energy
The United States Department of Energy (DOE) is a cabinet-level department of the United States Government concerned with the United States' policies regarding energy and safety in handling nuclear material.
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United States Strategic Bombing Survey
The United States Strategic Bombing Survey was a written report created by a board of experts assembled to produce an impartial assessment of the effects of Anglo-American strategic bombing of Nazi Germany during the European theatre of World War II.
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Uranium
Uranium is a chemical element with symbol U and atomic number 92.
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Uranium-235
Uranium-235 (235U) is an isotope of uranium making up about 0.72% of natural uranium.
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War
War is a state of armed conflict between states, societies and informal groups, such as insurgents and militias.
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Washington Navy Yard
The Washington Navy Yard (WNY) is the former shipyard and ordnance plant of the United States Navy in Southeast Washington, D.C. It is the oldest shore establishment of the U.S. Navy.
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Wigner effect
The Wigner effect (named for its discoverer, Eugene Wigner), also known as the discomposition effect or Wigner's Disease, is the dislocation of atoms in a solid caused by neutron radiation.
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William Penney, Baron Penney
William George Penney, Baron Penney (24 June 1909 – 3 March 1991), was an English mathematician and professor of mathematical physics at the Imperial College London and later the rector of Imperial College.
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William Sterling Parsons
Rear Admiral William Sterling "Deak" 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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World War II
World War II (often abbreviated to WWII or WW2), also known as the Second World War, was a global war that lasted from 1939 to 1945, although conflicts reflecting the ideological clash between what would become the Allied and Axis blocs began earlier.
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X-ray
X-rays make up X-radiation, a form of electromagnetic radiation.
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Y-12 National Security Complex
The Y-12 National Security Complex is a United States Department of Energy National Nuclear Security Administration facility located in Oak Ridge, Tennessee, near the Oak Ridge National Laboratory.
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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.
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Redirects here:
Hiroshima Bomb, Hiroshima atom bomb, Hiroshima bomb, Little boy.
References
[1] https://en.wikipedia.org/wiki/Little_Boy
