Nuclear fission - Article Index

Encyclopedia - Nuclear Fission: Encyclopedia Ii - Nuclear Fission - Physical Overview
Nuclear fission differs from other forms of radioactive decay in that it can be harnessed and controlled via a chain reaction: free neutr...   » Read the article

Encyclopedia - Nuclear Fission: Encyclopedia Ii - Nuclear Fission - Physical Overview
Nuclear fission differs from other forms of radioactive decay in that it can be harnessed and controlled via a chain reaction: free neutr...   » Read the article

Dictionary - Energy: New Age Spiritual Dictionary On Energy
energy 1.    Life force, cosmic ether, healing medium, vitalizing force, primal juice, cosmic electricity. 2. &n...   » Read the article

Encyclopedia - Nuclear Fission: Encyclopedia - Nuclear Fission
Nuclear fission (in nuclear physics, simply fission) is a process in which the nucleus of an atom splits into two or more smaller nuclei ...   » Read the article

Encyclopedia - Criticality Accident: Encyclopedia - Criticality Accident
A criticality accident (also sometimes referred to as an "excursion" or "power excursion") occurs when a nuclear chain reaction is accide...   » Read the article

Encyclopedia - Nuclear Weapon: Encyclopedia - Nuclear Weapon
A nuclear weapon is a weapon which derives its destructive force from the nuclear reactions of nuclear fission and/or fusion. As a result...   » Read the article

Encyclopedia - Binding Energy: Encyclopedia - Binding Energy
Binding energy is the energy required to disassemble a whole into separate parts. A bound system has a lower potential energy than its co...   » Read the article

Encyclopedia - Nuclear Weapon: Encyclopedia Ii - Nuclear Weapon - Types Of Nuclear Weapons
There are two basic types of nuclear weapons. The first are weapons which produce their explosive energy through nuclear fission reaction...   » Read the article

Encyclopedia - Nuclear Weapon: Encyclopedia Ii - Nuclear Weapon - Types Of Nuclear Weapons
The simplest nuclear weapons derive their energy from nuclear fission. A mass of fissile material is rapidly assembled into a critical ma...   » Read the article

Encyclopedia - Inertial Confinement Fusion: Encyclopedia Ii - Inertial Confinement Fusion - Basic Fusion
Fusion reactions combine lightweight atoms, such as hydrogen, together to form larger ones. Generally the reactions take place at such hi...   » Read the article

Encyclopedia - Mox Fuel: Encyclopedia Ii - Mox Fuel - Overview
In every nuclear reactor core there is both fission of isotopes such as uranium-235, and the formation of new, heavier isotopes due to ne...   » Read the article

Encyclopedia - Mox Fuel: Encyclopedia Ii - Mox Fuel - Overview
In every nuclear reactor core there is both fission of isotopes such as uranium-235, and the formation of new, heavier isotopes due to ne...   » Read the article

Encyclopedia - Aqueous Homogeneous Reactor: Encyclopedia Ii - Aqueous Homogeneous Reactor - History
Initial studies of homogeneous reactors took place toward the close of World War II. It pained chemists to see precisely fabricated solid...   » Read the article

Encyclopedia - Project Prometheus: Encyclopedia Ii - Project Prometheus - Motivations
Due to their distance from the Sun, spacecraft exploring the outer planets are severely limited in that they cannot use solar power as a ...   » Read the article

Encyclopedia - Nuclear Weapon: Encyclopedia Ii - Nuclear Weapon - Types Of Nuclear Weapons
There are two basic types of nuclear weapons. The first are weapons which produce their explosive energy through nuclear fission reaction...   » Read the article

Encyclopedia - Nuclear Non-proliferation Treaty: Encyclopedia Ii - Nuclear Non-proliferation Treaty - Treaty Pillars
Nuclear Non-Proliferation Treaty - First pillar: non-proliferation. Five states are permitted by the NPT to own nuclear weapons: the Un...   » Read the article

Encyclopedia - Nuclear Fuel Cycle: Encyclopedia Ii - Nuclear Fuel Cycle - Front End
1 Uranium ore - the principal raw material of nuclear fuel 2 Yellowcake - the form in which uranium is transported to an enrichement plan...   » Read the article

Encyclopedia - Nrx: Encyclopedia Ii - Nrx - Design
A heavy water moderated reactor is governed by two main processes. First, the water slows down (moderates) the neutrons which are produce...   » Read the article

Encyclopedia - Nuclear Non-proliferation Treaty: Encyclopedia Ii - Nuclear Non-proliferation Treaty - Treaty Pillars
Nuclear Non-Proliferation Treaty - First pillar: non-proliferation. Five states are permitted by the NPT to own nuclear weapons: France...   » Read the article

Encyclopedia - 1939: Encyclopedia - 1939
1939 (MCMXXXIX) was a common year starting on Sunday (link will take you to calendar). 1939 - Events. January 2 - End of term for Fran...   » Read the article

Encyclopedia - Criticality Accident: Encyclopedia Ii - Criticality Accident - Description
Most criticality accidents result in what is called a "blue flash," when surrounding air is ionized by an intense pulse of X-rays and gam...   » Read the article

Encyclopedia - Binding Energy: Encyclopedia Ii - Binding Energy - Binding Energy Of A Deuteron 2h
A deuteron is the nucleus of a deuterium atom, and consists of one proton and one neutron. The masses of the constituents are: mproton =...   » Read the article

Encyclopedia - Nuclear Reactor: Encyclopedia Ii - Nuclear Reactor - Method Of Operation
Essentially all existing nuclear reactors are critical fission reactors that produce heat and neutrons through a nuclear fission chain re...   » Read the article

Encyclopedia - Nuclear Non-proliferation Treaty: Encyclopedia Ii - Nuclear Non-proliferation Treaty - Treaty Pillars
Nuclear Non-Proliferation Treaty - First pillar: non-proliferation. Five states are permitted by the NPT to own nuclear weapons: France...   » Read the article

Encyclopedia - Werner Heisenberg: Encyclopedia - Werner Heisenberg
Werner Karl Heisenberg (December 5, 1901 – February 1, 1976) was a celebrated German physicist and Nobel laureate, one of the founders ...   » Read the article

Encyclopedia - 1930s: Encyclopedia - 1930s
1900s 1910s 1920s - 1930s - 1940s 1950s 1960s 1930 1931 1932 1933 1934 1935 1936 1937 1938 1939 1930s - Events and trends. The 1930s wer...   » Read the article

Encyclopedia - Civilization Computer Game: Encyclopedia - Civilization Computer Game
Civilization is a computer game created by Sid Meier for Microprose in 1991. The game's objective is to develop a great empire from the g...   » Read the article

Encyclopedia - Nuclear Weapon: Encyclopedia Ii - Nuclear Weapon - Nuclear Strategy
Nuclear warfare strategies are ways for either fighting or avoiding a nuclear war. The policy of trying to ward off a potential attack by...   » Read the article

Encyclopedia - Nrx: Encyclopedia Ii - Nrx - History
NRX was for a time the world's most powerful research reactor, vaulting Canada into the forefront of physics research. Emerging from a Wo...   » Read the article

Encyclopedia - Binding Energy: Encyclopedia Ii - Binding Energy - Nuclear Binding Energy Curve
The series of light element from hydrogen up to sodium have increasing binding energy per nucleon as the atomic mass increases, a region ...   » Read the article

Encyclopedia - Nuclear Reactor: Encyclopedia Ii - Nuclear Reactor - The Future Of The Industry
As of 2006, Watts Bar 1, which came on-line in 1997, was the last U.S. commercial nuclear reactor to go on-line. This is often quoted as ...   » Read the article

Encyclopedia - Nuclear Weapon: Encyclopedia Ii - Nuclear Weapon - Effects Of A Nuclear Explosion
The energy released from a nuclear weapon comes in four primary categories: Blast – 40-60% of total energy Thermal radiation – 30-50...   » Read the article

Encyclopedia - Boiler: Encyclopedia - Boiler
A boiler is a closed vessel in which water or other fluid is heated under pressure. The steam or hot fluid is then circulated out of the ...   » Read the article

Encyclopedia - Nuclear Reactor: Encyclopedia Ii - Nuclear Reactor - History
In 1972, French physicist Francis Perrin declared that nature had beaten humans to the punch by creating the world’s first nuclear reac...   » Read the article

Encyclopedia - Criticality Accident: Encyclopedia Ii - Criticality Accident - Records
Criticality accidents have occurred both in the context of nuclear weapons and nuclear reactors. In 1945, Los Alamos scientist Harry K. ...   » Read the article

Encyclopedia - Nuclear Reactor: Encyclopedia Ii - Nuclear Reactor - History
Enrico Fermi and Leó Szilárd, while both were at the University of Chicago, were the first to build a nuclear pile and demonstrate a co...   » Read the article

Encyclopedia - Nuclear Reactor: Encyclopedia Ii - Nuclear Reactor - The Future Of The Industry
Some experts predict that electricity shortages, fossil fuel price increases and concern over Greenhouse gas emissions will renew the dem...   » Read the article

Encyclopedia - Nuclear Reactor: Encyclopedia Ii - Nuclear Reactor - Nuclear Fuel Cycle
Main article: nuclear fuel cycle Thermal reactors generally depend on refined and enriched uranium. Some nuclear reactors can operate wit...   » Read the article

Encyclopedia - Binding Energy: Encyclopedia Ii - Binding Energy - Nuclear Binding Energy Curve
The series of light elements from hydrogen up to sodium have increasing binding energy per nucleon as the atomic mass increases, a region...   » Read the article

Encyclopedia - Nuclear Weapon: Encyclopedia Ii - Nuclear Weapon - History
The first nuclear weapons were created by the United States, with assistance from the United Kingdom and Canada, during World War II as p...   » Read the article

Encyclopedia - Nuclear Fuel Cycle: Encyclopedia Ii - Nuclear Fuel Cycle - Back End
Nuclear fuel cycle - Interim Storage. After its operating cycle, the reactor is shut down for refueling. The fuel discharged at that ti...   » Read the article

Encyclopedia - Nuclear Weapon: Encyclopedia Ii - Nuclear Weapon - Weapons Delivery
Nuclear weapons delivery— the technology and systems used to bring a nuclear weapon to its target—is an important aspect of nuclear w...   » Read the article

Encyclopedia - Nuclear Weapon: Encyclopedia Ii - Nuclear Weapon - Nuclear Strategy
Nuclear warfare strategy are ways for either fighting or avoiding a nuclear war. The policy of trying to ward off a potential attack by a...   » Read the article

Encyclopedia - Nuclear Reactor: Encyclopedia Ii - Nuclear Reactor - Natural Nuclear Reactors
A natural nuclear fission reactor can occur under certain circumstances that mimic the conditions in a constructed reactor. The only know...   » Read the article

Encyclopedia - Nuclear Reactor: Encyclopedia Ii - Nuclear Reactor - Types Of Reactors
A number of reactor technologies have been developed. Fission reactors can be divided roughly into two classes, depending on the energy o...   » Read the article

Encyclopedia - Nuclear Non-proliferation Treaty: Encyclopedia Ii - Nuclear Non-proliferation Treaty - Future
The inclusion of (civilian) nuclear power in the July 2005 Asia-Pacific Partnership for Clean Development and Climate is politically sens...   » Read the article

Encyclopedia - Mox Fuel: Encyclopedia Ii - Mox Fuel - Fabrication
The first step is separating the plutonium from the remaining uranium (about 96% of the spent fuel) and the fission products with other w...   » Read the article

Encyclopedia - Nuclear Non-proliferation Treaty: Encyclopedia Ii - Nuclear Non-proliferation Treaty - Leaving The Treaty
Article X allows a state to leave the treaty if "extraordinary events, related to the subject matter of this Treaty, have jeopardized the...   » Read the article

Encyclopedia - Nuclear Non-proliferation Treaty: Encyclopedia Ii - Nuclear Non-proliferation Treaty - History
See also: nuclear proliferation The treaty was proposed by Ireland, and opened for signature in 1968, Finland was the first to sign. By 1...   » Read the article

Encyclopedia - Mox Fuel: Encyclopedia Ii - Mox Fuel - Current Applications
Reprocessing of commercial nuclear fuel to make MOX is done in England and France, and to a lesser extent in Russia, India and Japan. Chi...   » Read the article

Encyclopedia - Inertial Confinement Fusion: Encyclopedia Ii - Inertial Confinement Fusion - Inertial Fusion Energy
Practical power plants built using ICF are now a serious area of study, known as inertial fusion energy, or IFE. IFE plants would deliver...   » Read the article

Encyclopedia - Inertial Confinement Fusion: Encyclopedia Ii - Inertial Confinement Fusion - Icf Design
The use of a nuclear bomb to ignite a fusion reaction makes the concept less than useful as a power source. Not only would the bombs be p...   » Read the article

Encyclopedia - Nuclear Fuel Cycle: Encyclopedia Ii - Nuclear Fuel Cycle - Service Period
Nuclear fuel cycle - Transport of Radioactive Materials. Transport is an integral part of the nuclear fuel cycle. There are nuclear pow...   » Read the article

Encyclopedia - Inertial Confinement Fusion: Encyclopedia Ii - Inertial Confinement Fusion - Issues With The Successful Achievement Of Icf
The primary problems with increasing ICF performance since the early experiments in the 1970s have been of energy delivery to the target ...   » Read the article

Encyclopedia - Inertial Confinement Fusion: Encyclopedia Ii - Inertial Confinement Fusion - Brief History
ICF experiments started in earnest in the mid-1970s, when lasers of the required power were first designed. This was long after the succe...   » Read the article

Encyclopedia - Pressurized Water Reactor: Encyclopedia Ii - Pressurized Water Reactor - Nuclear Reactor Design
Pressurized water reactor - Coolant. Neutrons striking nuclear fuel (early in the cycle, mainly U-235) in fuel rods lead to fissioning ...   » Read the article

Encyclopedia - Stellar Nucleosynthesis: Encyclopedia Ii - Stellar Nucleosynthesis - History
Stellar nucleosynthesis Big Bang nucleosynthesis Supernova nucleosynthesis Cosmic ray spallation Astrophysics Nuclear fusion R-proce...   » Read the article

Encyclopedia - Nature Journal: Encyclopedia Ii - Nature Journal - Publication
Nature was founded in 1869 by Sir Joseph Norman Lockyer, an astronomer and physicist best known as the co-discoverer of helium. Lockyer w...   » Read the article

Encyclopedia - Civilization Ii: Encyclopedia Ii - Civilization Ii - Features
Civilization II - Civilizations. Americans Aztecs Babylonians Carthaginians Celts Chinese Egyptians Englishs French Germans Greeks I...   » Read the article

Encyclopedia - Supernova Nucleosynthesis: Encyclopedia Ii - Supernova Nucleosynthesis - Supernovae
A supernova is a massive explosion of a star that occurs under two possible scenarios.The first is that a white dwarf star undergoes a nu...   » Read the article

Encyclopedia - Werner Heisenberg: Encyclopedia Ii - Werner Heisenberg - Work During The War
Nuclear fission was discovered in Germany in 1939. Heisenberg remained in Germany during World War II, working under the Nazi regime. He ...   » Read the article

Encyclopedia - Atomic Nucleus: Encyclopedia Ii - Atomic Nucleus - History
The discovery of the electron was the first indication that the atom had internal structure. At the turn of the 20th century the accepted...   » Read the article

Encyclopedia - 1939: Encyclopedia Ii - 1939 - Events
1939 - January. January 2 - End of term for Frank Finley Merriam, 28th Governor of California. He is succeeded by Culbert Levy Olson. ...   » Read the article

Encyclopedia - Void Coefficient: Encyclopedia Ii - Void Coefficient - Explanation
Nuclear fission reactors run on nuclear chain reactions, in which each nucleus that undergoes fission releases heat and neutrons. These n...   » Read the article

Encyclopedia - Civilization Computer Game: Encyclopedia Ii - Civilization Computer Game - Description
Civilization is a single-player game (although there was a separate multiplayer version called CivNet and both Civilization II and III ha...   » Read the article

Encyclopedia - Boiler: Encyclopedia Ii - Boiler - Overview
Construction of boilers is mainly limited to copper, steel and cast iron. In Live steam toys, brass is often used. Sources of heat for th...   » Read the article

Encyclopedia - 1930s: Encyclopedia Ii - 1930s - Events And Trends
The 1930s were described as an abrupt shift to more radical lifestyles, as countries were struggling to find a solution to the global dep...   » Read the article

Encyclopedia - Civilization Ii: Encyclopedia Ii - Civilization Ii - Related Games
Civilization II is a game with longevity. While most PC games come and go in a matter of months, this game was still going strong after s...   » Read the article

Encyclopedia - Pressurized Water Reactor: Encyclopedia Ii - Pressurized Water Reactor - Description
In a PWR, the primary coolant loop is pressurised so the water does not achieve bulk-boiling, and heat exchangers called steam generators...   » Read the article

Encyclopedia - Pressurized Water Reactor: Encyclopedia Ii - Pressurized Water Reactor - Advantages
Water in a PWR reactor core reaches about 325°C (617°F), only remaining liquid under about 150 times atmospheric pressure to prevent bu...   » Read the article

Encyclopedia - Pressurized Water Reactor: Encyclopedia Ii - Pressurized Water Reactor - Disadvantages
One disadvantage to fission reactors (both PWR and BWR) is that radioactive decay continues to generate significant heat even after the f...   » Read the article

Encyclopedia - Pressurized Water Reactor: Encyclopedia Ii - Pressurized Water Reactor - Advantages
Water in a PWR reactor core reaches about 325°C (617°F), only remaining liquid under about 150 times atmospheric pressure to prevent bu...   » Read the article

Encyclopedia - Civilization Ii: Encyclopedia Ii - Civilization Ii - Expansions
There were three expanion packs that slowly added more features to the game. One of them, Civilization II Gold, added multiplayer, while ...   » Read the article

Encyclopedia - 1939: Encyclopedia Ii - 1939 - Deaths
1939 - January-March. January 2 - Roman Dmowski, Polish politician (b. 1864) January 23 - Matthias Sindelar, Austrian footballer (b. 1...   » Read the article

Encyclopedia - Civilization Computer Game: Encyclopedia Ii - Civilization Computer Game - Points Of Controversy
While a lot less amenable to the same type of criticism as the sister-game Colonization, there are some elements of Civilization that are...   » Read the article

Encyclopedia - Civilization Computer Game: Encyclopedia Ii - Civilization Computer Game - Legacy
This game has been one of the most popular strategy games of all time, and has a loyal following of fans. The degree of popularity may be...   » Read the article

Encyclopedia - Atomic Nucleus: Encyclopedia Ii - Atomic Nucleus - Nuclear Physics
A heavy nucleus can contain hundreds of nucleons (neutrons and protons), which means that to some approximation it can be treated as a cl...   » Read the article

Encyclopedia - Civilization Ii: Encyclopedia Ii - Civilization Ii - Scoring And Winning The Game
There are two paths to victory in this game: to conquer every other civilization, or to build a spaceship and reach Alpha-Centari. The la...   » Read the article

Encyclopedia - 1939: Encyclopedia Ii - 1939 - Births
1939 - January. January 2 - Jim Bakker, American televangelist January 2 - John McBon, Argentianian Tv Star Ed the Repairman January 3...   » Read the article

Encyclopedia - Werner Heisenberg: Encyclopedia Ii - Werner Heisenberg - Life
Heisenberg was born in Würzburg, Germany, the son of Dr. August Heisenberg and Annie Wecklein. He attended school in Munich and studied ...   » Read the article

Encyclopedia - Atomic Nucleus: Encyclopedia Ii - Atomic Nucleus - Nuclear Makeup
The nucleus of an atom consists of very tightly bound protons and neutrons. The electromagnetic force which causes like charges to repel ...   » Read the article

Encyclopedia - Civilization Ii: Encyclopedia Ii - Civilization Ii - Description
Civilization II is very much like the first Civilization, with some changes to the units and civilizations and additional wonders, units,...   » Read the article

Encyclopedia - Werner Heisenberg: Encyclopedia Ii - Werner Heisenberg - Quantum Mechanics
As a student, he met Niels Bohr in Göttingen in 1922. A fruitful collaboration developed between the two. He invented matrix mechanics, ...   » Read the article

Article - Popular Pages Sitemap Viii - N
This is a sitemap for Popular Pages VIII - N . Click on a link and you will find multiple definitions and articles related to the word....   » Read the article

Encyclopedia - Nuclear Fission: Encyclopedia Ii - Nuclear Fission - History
The results of the bombardment of uranium by neutrons had proved interesting and puzzling. First studied by Enrico Fermi and his colleagu...   » Read the article

Encyclopedia - Nuclear Fission: Encyclopedia Ii - Nuclear Fission - History
The results of the bombardment of uranium by neutrons had proved interesting and puzzling. First studied by Enrico Fermi and his colleagu...   » Read the article