antimatter - Article Index

Encyclopedia - Alkahest: Encyclopedia - Alkahest
Alkahest (or alcahest) is a hypothetical universal solvent, having the power to dissolve every other substance, including gold. It was mu...   » Read the article

Encyclopedia - Positron Emission Tomography: Encyclopedia Ii - Positron Emission Tomography - Description
A short-lived radioactive tracer isotope which decays by emitting a positron, chemically incorporated into a metabolically active molecul...   » Read the article

Encyclopedia - Cern: Encyclopedia - Cern
CERN is the Organisation Européenne pour la Recherche Nucléaire (European Organization for Nuclear Research ), the world's largest part...   » Read the article

Encyclopedia - Cp-violation: Encyclopedia - Cp-violation
In physics, and specifically particle physics, CP violation is a violation of the postulated CP symmetry of the laws of physics. It plays...   » Read the article

Encyclopedia - Unsolved Problems In Physics: Encyclopedia - Unsolved Problems In Physics
This is an incomplete list of some of the unsolved problems in physics. Some of these problems are theoretical, meaning that existing the...   » Read the article

Encyclopedia - Bob Lazar: Encyclopedia - Bob Lazar
Robert Scott Lazar (born 26 January 1959) is a central (and highly controversial) figure in discussions about UFOs. Lazar claims to have ...   » Read the article

Encyclopedia - Cpt Symmetry: Encyclopedia - Cpt Symmetry
CPT symmetry is a fundamental symmetry of physical laws under transformations that involve the inversions of charge, parity and time simu...   » Read the article

Encyclopedia - Atlas Experiment: Encyclopedia - Atlas Experiment
ATLAS (A Toroidal LHC ApparatuS) is one of the five particle detector experiments (ALICE, ATLAS, CMS, TOTEM, and LHCb) being constructed ...   » Read the article

Encyclopedia - Big Bang: Encyclopedia - Big Bang
In physical cosmology, the Big Bang is the scientific theory that the Universe emerged from an enormously dense and hot state about 13.7 ...   » Read the article

Encyclopedia - Atom: Encyclopedia - Atom
An atom (Greek άτομον from ά: non and τομον: divisible) is a submicroscopic structure found in all ordinary matter. It is the...   » Read the article

Encyclopedia - Uss Enterprise Ncc-1701-d: Encyclopedia - Uss Enterprise Ncc-1701-d
The USS Enterprise (NCC-1701-D), in the Star Trek fictional universe, is the Galaxy class starship that is the principal setting of the t...   » Read the article

Encyclopedia - Angels And Demons: Encyclopedia - Angels And Demons
Angels and Demons (2000) is a mystery novel by Dan Brown, featuring the character Robert Langdon, who is also the principal character of ...   » Read the article

Encyclopedia - Antihydrogen: Encyclopedia - Antihydrogen
Antihydrogen is the antimatter counterpart of hydrogen. Whereas the common hydrogen atom is composed of an electron and proton, the antih...   » Read the article

Encyclopedia - Antiparticle: Encyclopedia - Antiparticle
Corresponding to each kind of particle, there is an associated antiparticle with the same mass and spin. Some particles, such as the phot...   » Read the article

Encyclopedia - Explosive Material: Encyclopedia - Explosive Material
Any explosive material has the following characteristics: It is chemically or otherwise energetically unstable. The initiation produces ...   » Read the article

Encyclopedia - Positron Emission Tomography: Encyclopedia Ii - Positron Emission Tomography - Pet Scans Safety
PET scanning is invasive, in that radioactive material is injected into the subject. However the total dose of radiation is small, usuall...   » Read the article

Encyclopedia - Mr. Spock: Encyclopedia Ii - Mr. Spock - Starfleet
Nearly Spock's entire Starfleet career — he joined Starfleet against his father's wishes, as Sarek wanted his son to attend the Vulcan ...   » Read the article

Encyclopedia - E=mc²: Encyclopedia Ii - E=mc² - Applicability Of The Equation
E=mc² applies to all objects with mass, as it is a statement that mass is derived from energy, or energy from mass, and it is possible t...   » Read the article

Encyclopedia - Karl Pearson: Encyclopedia Ii - Karl Pearson - Biography
Karl Pearson was born in Islington, London on March 27, 1857, the son of barrister William Pearson and Fanny, née Smith. He was educated...   » Read the article

Encyclopedia - Quasar: Encyclopedia Ii - Quasar - Properties Of Quasars
Of the several hundred quasars observed, all spectra have shown considerable redshifts, ranging from 0.06 to the recent maximum of 6.4. T...   » Read the article

Encyclopedia - Deus Ex Machina: Encyclopedia Ii - Deus Ex Machina - Deus Ex Machina In Fiction Works
Deus ex machina - Literature and comics. In Shakespeare's Hamlet, the kidnapping of Hamlet, alone, by pirates in order to escape his ...   » Read the article

Encyclopedia - Multiverse Dc Comics: Encyclopedia Ii - Multiverse Dc Comics - Contact Between Universes
Most inhabitants of the Multiverse are completely unaware of the other universes. The first character to cross the gap between them was B...   » Read the article

Encyclopedia - Neutrino Experiment: Encyclopedia Ii - Neutrino Experiment - The Setup
In this experiment, they used a nuclear reactor as they were expected to produce neutrino fluxes on the order of 1012 to 1013 neutrinos p...   » Read the article

Encyclopedia - Crisis On Infinite Earths: Encyclopedia Ii - Crisis On Infinite Earths - Post-crisis
Characters and other elements established before Crisis on Infinite Earths (especially those eliminated by it) are considered "pre-Crisis...   » Read the article

Encyclopedia - Nanjing University: Encyclopedia Ii - Nanjing University - Faculties
Nanjing University has been at the forefront of developments in teaching and research in China. It was the first institution in the count...   » Read the article

Encyclopedia - Muon: Encyclopedia Ii - Muon - History
Muons were discovered by Carl D. Anderson in 1936 while he studied cosmic radiation. He had noticed particles that curved in a manner dis...   » Read the article

Encyclopedia - Earth Noon Universe: Encyclopedia Ii - Earth Noon Universe - Technology
The Earth's humans are the most technologically advanced civilization in the Noon Universe (except for the Wanderers' and, maybe, Tagoria...   » Read the article

Encyclopedia - Proton: Encyclopedia Ii - Proton - Antiproton
The antiproton is the antiparticle of the proton. It was discovered in the year 1955 by Emilio Segre and Owen Chamberlain, for which they...   » Read the article

Encyclopedia - Richard Feynman: Encyclopedia Ii - Richard Feynman - Biography
Feynman was born in Far Rockaway, Queens, New York; his parents were Jewish, although they did not practice Judaism as a religion. The yo...   » Read the article

Encyclopedia - Livewires: Encyclopedia Ii - Livewires - Plot Synopsis
Livewires - Backstory. Project Livewire was founded by S.H.I.E.L.D. as a means of testing the next generation S.H.I.E.L.D. android. The...   » Read the article

Encyclopedia - Exotic Matter: Encyclopedia Ii - Exotic Matter - Forward's Analysis
Although no particles are known to have negative mass, physicists (primarily Robert L. Forward) have been able to describe some of the an...   » Read the article

Encyclopedia - Linear Particle Accelerator: Encyclopedia Ii - Linear Particle Accelerator - Construction And Operation
A linear particle accelerator consists of the following elements. The particle ion source comes in various forms such as cold cathode, h...   » Read the article

Encyclopedia - Harry Kim Star Trek: Encyclopedia Ii - Harry Kim Star Trek - Personality
Harry Kim was a fresh graduate of the Starfleet academy at the beginning of the voyage, and was often portrayed as naive in the early epi...   » Read the article

Encyclopedia - Geordi La Forge: Encyclopedia Ii - Geordi La Forge - Biography
Geordi was born February 16 2335, in the African Confederation on Earth to parents Silva La Forge (later Captain of the USS Hera) and Edw...   » Read the article

Encyclopedia - Ununpentium: Encyclopedia Ii - Ununpentium - History
On February 1, 2004, the synthesis of ununpentium and ununtrium were reported in Physical Review C by a team composed of Russian scientis...   » Read the article

Encyclopedia - Eye Of Harmony: Encyclopedia Ii - Eye Of Harmony - History
Eye of Harmony - First appearances. The Eye was originally mentioned in the Fourth Doctor serial The Deadly Assassin (1976), where it w...   » Read the article

Encyclopedia - Green Lantern: Encyclopedia Ii - Green Lantern - Publication History
Green Lantern (sometimes called The Green Lantern in the early days) was created by Martin Nodell and Bill Finger and first appeared in A...   » Read the article

Encyclopedia - Gravitational Interaction Of Antimatter: Encyclopedia Ii - Gravitational Interaction Of Antimatter - Experiment
Gravitational interaction of antimatter - Supernova 1987A. Many scientists consider the best experimental evidence in favor of normal g...   » Read the article

Encyclopedia - Neutron: Encyclopedia Ii - Neutron - Neutron Interactions
The neutron interacts through all four of the common classifications of physical interaction. These four are the electromagnetic, weak nu...   » Read the article

Encyclopedia - Nuclear Pulse Propulsion: Encyclopedia Ii - Nuclear Pulse Propulsion - Project Orion
Project Orion was the first serious attempt to design a nuclear pulse rocket. The design effort was carried out at General Atomics in the...   » Read the article

Encyclopedia - Angels And Demons: Encyclopedia Ii - Angels And Demons - Similarities To Brown's Other Books
There are many elements in Angels and Demons that are similar to elements in Brown's other books Angels and Demons - Common to two books...   » Read the article

Encyclopedia - Time Lord: Encyclopedia Ii - Time Lord - History Within The Show
Time Lord - On screen. Details of the Time Lords' history within the show are sketchy and as is usual for Doctor Who continuity, fraugh...   » Read the article

Encyclopedia - Thomas Pynchon: Encyclopedia Ii - Thomas Pynchon - Biography
Thomas Pynchon - Childhood and early career. Thomas Pynchon was born in Glen Cove, Long Island, New York to Thomas Ruggles Pynchon, Sr....   » Read the article

Encyclopedia - Roswell Ufo Incident: Encyclopedia Ii - Roswell Ufo Incident - Theories And Analysis
Some ufologists have argued that an alien craft crashed near Roswell and that several alien bodies were also recovered. However, skeptics...   » Read the article

Encyclopedia - Antimatter Weapon: Encyclopedia Ii - Antimatter Weapon - Effects Of Antimatter Detonation
Over 99.9% of the mass of neutral antimatter is accounted for by antiprotons and antineutrons. Their annihilation with protons and neutro...   » Read the article

Encyclopedia - Timeline Of The Big Bang: Encyclopedia Ii - Timeline Of The Big Bang - Planck Epoch
The Planck Epoch covers the time from 10-43 to 10-35 seconds after the Big Bang. The temperature during this epoch is estimated to decrea...   » Read the article

Encyclopedia - Tunguska Event: Encyclopedia Ii - Tunguska Event - Description
At around 7:15 AM, Tungus natives and Russian settlers in the hills northwest of Lake Baikal observed a column of bluish light, nearly as...   » Read the article

Encyclopedia - Total Conversion: Encyclopedia Ii - Total Conversion - In Computer Games
A total conversion, in the computer gaming sense, is a mod (short for "modification") of an existing game that replaces 100% of the artis...   » Read the article

Encyclopedia - Atom: Encyclopedia Ii - Atom - Properties Of The Atom
Atom - Subatomic particles. see main article subatomic particles Up until 1961, the subatomic particles were thought to consist of on...   » Read the article

Encyclopedia - Uss Enterprise Ncc-1701-d: Encyclopedia Ii - Uss Enterprise Ncc-1701-d - Fictional History
Entering service in 2363, the Enterprise (or Enterprise-D, to distinguish it from numerous prior starships with the same name) served for...   » Read the article

Encyclopedia - The Night's Dawn Trilogy: Encyclopedia Ii - The Night's Dawn Trilogy - Characters Of The Trilogy
The Night's Dawn Trilogy - Samual Aleksandrovich. The commanding officer of the Confederation Navy, Admiral Aleksandrovich is in comman...   » Read the article

Encyclopedia - Ringworld: Encyclopedia Ii - Ringworld - Ringworld Engineering
The "Ringworld" is an artificial ring about one million miles wide and approximately the diameter of Earth's orbit (which makes it about ...   » Read the article

Encyclopedia - Cosmic Era Technology: Encyclopedia Ii - Cosmic Era Technology - Defensive Technology
Cosmic Era technology - Anti-Beam Coating. Anti-beam coating is a material that can be applied to the surface of objects to make them r...   » Read the article

Encyclopedia - Photon Torpedo: Encyclopedia Ii - Photon Torpedo - Background
Photon torpedoes are most useful for combat while ships are engaged in warp speed travel, as phasers, which are confined to the speed of ...   » Read the article

Encyclopedia - Counterpoint Voyager Episode: Encyclopedia Ii - Counterpoint Voyager Episode - Plot Summary
The USS Voyager is passing through Devore space, where telepathy is illegal and telepaths are sent to relocation centers. Devore warships...   » Read the article

Encyclopedia - Cardassian Starships: Encyclopedia Ii - Cardassian Starships - Galor Class
The Galor class is a group of starships used by the Cardassian Union. Galor class destroyers have a low profile, are long and narrow and ...   » Read the article

Encyclopedia - Pierson's Puppeteer: Encyclopedia Ii - Pierson's Puppeteer - Biology And Sociology
Physically, Puppeteers resemble a centaur with three legs ending in hooved feet and two snake-like heads instead of a humanoid upper body...   » Read the article

Encyclopedia - Positron: Encyclopedia Ii - Positron - The Positron In Fiction
The most famous use of the positron in fiction was Isaac Asimov's use in his robots' positronic brains. It is likely that he chose to use...   » Read the article

Encyclopedia - The Grammar Of Science: Encyclopedia Ii - The Grammar Of Science - Chapter X
"Modern Physical Ideas" The development of physical science over the last twenty years has revealed phenomena which illustrate clearly th...   » Read the article

Encyclopedia - Electron-positron Annihilation: Encyclopedia Ii - Electron-positron Annihilation - Photon Pair Production
An important point is that there must be at least two photons produced if photons are produced, since photons are massless particles. Thi...   » Read the article

Encyclopedia - Standard Model: Encyclopedia Ii - Standard Model - The Standard Model
The Standard Model contains both fermionic and bosonic fundamental particles. Fermions are particles which possess half-integer spin and ...   » Read the article

Encyclopedia - Proton Decay: Encyclopedia Ii - Proton Decay - Theoretical Motivation
Despite the lack of observational evidence for proton decay, some grand unification theories require it. According to some such theories,...   » Read the article

Encyclopedia - Crime Syndicate Of America: Encyclopedia Ii - Crime Syndicate Of America - Members
In both versions of the Crime Syndicate, its members are: Ultraman: the counterpart of Superman. Pre-Crisis, Ultraman came from a Krypto...   » Read the article

Encyclopedia - Interstellar Travel: Encyclopedia Ii - Interstellar Travel - Speculative Interstellar Travel
Interstellar travel designs fall into two categories. The first, which we will call slow interstellar travel, takes a great deal of time,...   » Read the article

Encyclopedia - Big Bang: Encyclopedia Ii - Big Bang - Features Issues And Problems
A number of problems have arisen within the Big Bang theory throughout its history. Some of them are mainly of historical interest today,...   » Read the article

Encyclopedia - Nanjing University: Encyclopedia Ii - Nanjing University - Faculties
Nanjing University has been at the forefront of developments in teaching and research in China. It was the first institution in the count...   » Read the article

Encyclopedia - We'll Always Have Paris Tng Episode: Encyclopedia Ii - We'll Always Have Paris Tng Episode - Plot Summary
On stardate 41697.9, the USS Enterprise is on course to Sarona VIII for much needed shore leave. Captain Picard has already begun his rec...   » Read the article

Encyclopedia - Cp-violation: Encyclopedia Ii - Cp-violation - What Is Cp?
CP is the product of two symmetries: C for charge conjugation, which transforms a particle into its antiparticle, and P for parity, which...   » Read the article

Encyclopedia - Roswell Ufo Incident: Encyclopedia Ii - Roswell Ufo Incident - Theories And Analysis
Some ufologists have argued that an alien craft crashed near Roswell and that several alien bodies were also recovered. However, skeptics...   » Read the article

Encyclopedia - Planet Killer: Encyclopedia Ii - Planet Killer - To Kill A Planet
Science-fiction writers have devised many methods of destroying a planet; blasting it with a specially designed laser weapon, launching n...   » Read the article

Encyclopedia - Warp Drive Star Trek: Encyclopedia Ii - Warp Drive Star Trek - Warp Velocities
In the Original Series, according to Gene Roddenberry and his Trek episode writer's guide, warp factors were supposedly converted to mult...   » Read the article

Encyclopedia - Atom: Encyclopedia Ii - Atom - Properties Of The Atom
Atom - Subatomic particles. see main article subatomic particles Up until 1961, the subatomic particles were thought to consist of on...   » Read the article

Encyclopedia - Plasma Cosmology: Encyclopedia Ii - Plasma Cosmology - Alfvén's Model
Alfvén's model of plasma cosmology can be divided into three distinct areas. The cosmic plasma, an empirical description of the Univers...   » Read the article

Encyclopedia - Antiparticle: Encyclopedia Ii - Antiparticle - History
Antiparticle - Experiment. In 1932, soon after the prediction of positrons by Dirac, Carl D. Anderson found that cosmic-ray collisions ...   » Read the article

Encyclopedia - Explosive Material: Encyclopedia Ii - Explosive Material - Measurement Of Chemical Explosive Reaction
The development of new and improved types of ammunition requires a continuous program of research and development. Adoption of an explosi...   » Read the article

Encyclopedia - Multiverse Dc Comics: Encyclopedia Ii - Multiverse Dc Comics - Contact Between Universes
Most inhabitants of the Multiverse are completely unaware of the other universes. The first character to cross the gap between them was B...   » Read the article

Encyclopedia - Angels And Demons: Encyclopedia Ii - Angels And Demons - Similarities To Brown's Other Books
There are many elements in Angels and Demons that are similar to elements in Brown's other books Angels and Demons - Common to two books...   » Read the article

Encyclopedia - Cern: Encyclopedia Ii - Cern - Cern Sites
The smaller accelerators are located on the main Meyrin site (also known as the West Area), which was originally built in Switzerland alo...   » Read the article

Encyclopedia - Sn 1987a: Encyclopedia Ii - Sn 1987a - Neutrino Emissions
Approximately three hours before the visible light from SN 1987A reached the Earth, a burst of neutrinos was observed at three separate n...   » Read the article

Encyclopedia - Livewires: Encyclopedia Ii - Livewires - Plot Synopsis
Livewires - Backstory. Project Livewire was founded by S.H.I.E.L.D. as a means of testing the next generation S.H.I.E.L.D. android. The...   » Read the article

Encyclopedia - The Three Doctors: Encyclopedia Ii - The Three Doctors - Plot
A superluminal signal is sent to Earth, carrying with it an unusual energy blob that seems intent on capturing the Third Doctor. In the m...   » Read the article

Encyclopedia - E=mc²: Encyclopedia Ii - E=mc² - Applicability Of The Equation
E=mc² applies to all objects with mass, as it is a statement that mass is derived from energy, or energy from mass, and it is possible t...   » Read the article

Encyclopedia - Dirac Sea: Encyclopedia Ii - Dirac Sea - In Fiction
The Dirac Sea provides a mechanism for time-travel in Geoffrey A. Landis' Nebula Award-winning short story "Ripples in the Dirac Sea". It...   » Read the article

Encyclopedia - Atlas Experiment: Encyclopedia Ii - Atlas Experiment - Components
The ATLAS detector consists of a series of ever-larger concentric cylinders around the interaction point where the proton beams from the ...   » Read the article

Encyclopedia - Deus Ex Machina: Encyclopedia Ii - Deus Ex Machina - Deus Ex Machina In Fiction Works
Deus ex machina - Literature and comics. In Shakespeare's Hamlet, the kidnapping of Hamlet, alone, by pirates in order to escape his ...   » Read the article

Encyclopedia - Electron: Encyclopedia Ii - Electron - In Practice
Electron - Classification. The electron is one of a class of subatomic particles called leptons which are believed to be fundamental pa...   » Read the article

Encyclopedia - E=mc²: Encyclopedia Ii - E=mc² - Background And Consequences
The equation resulted from Albert Einstein's inquiry into the dependence of the inertia of a body on its energy content. The famous resul...   » Read the article

Encyclopedia - Bob Lazar: Encyclopedia Ii - Bob Lazar - Claims
Lazar says that he met Teller while employed at Los Alamos National Laboratory, and that Teller recommeded him for an employment intervie...   » Read the article

Encyclopedia - Weapons Of Star Trek: Encyclopedia Ii - Weapons Of Star Trek - Energy Weapons
Weapons of Star Trek - Phasers. Phasers are the quintessential Star Trek beam weapon, first seen in the original series. The term is co...   » Read the article

Encyclopedia - Big Bang: Encyclopedia Ii - Big Bang - Features, Issues And Problems
A number of problems have arisen within the Big Bang theory throughout its history. Some of them are mainly of historical interest today,...   » Read the article

Encyclopedia - Cardassian Starships: Encyclopedia Ii - Cardassian Starships - Keldon Class
Keldon class warships are each similar to a Galor class starship and have superior firepower. They are long and narrow, with a raised sem...   » Read the article

Encyclopedia - Atom: Encyclopedia Ii - Atom - History Of Atomic Theory
Atom - Philosophical atomism. Democritus and Leucippus, Greek philosophers in the 5th century BC, presented the first theory of atoms (...   » Read the article

Encyclopedia - Cardassian Starships: Encyclopedia Ii - Cardassian Starships - Hideki Class
It is a small attack craft composed of a semi-ellipse fore with a short aft extension ending in a pincer-shaped disruptor weapon. Due to ...   » Read the article

Encyclopedia - Atom: Encyclopedia Ii - Atom - Study Of Atoms
Because of their ubiquitous nature, atoms have been an important field of study for many centuries. Current specific research areas inclu...   » Read the article

Encyclopedia - Angels And Demons: Encyclopedia Ii - Angels And Demons - Plot
Angels and Demons features Harvard symbologist, Robert Langdon, as he tries to stop the Illuminati, a legendary secret society, from dest...   » Read the article

Encyclopedia - Ringworld: Encyclopedia Ii - Ringworld - Sequels And Adaptations
The novel Ringworld has been followed by three sequels, The Ringworld Engineers (1980), The Ringworld Throne (1996), and Ringworld's Chil...   » Read the article

Encyclopedia - Roswell Ufo Incident: Encyclopedia Ii - Roswell Ufo Incident - Overview: The Story As Reported In 1947 And The Controversy
Roswell UFO incident - Incident. On June 24, 1947, pilot Kenneth Arnold reported seeing disc- or saucer-shaped objects flying at high s...   » Read the article

Encyclopedia - Roswell Ufo Incident: Encyclopedia Ii - Roswell Ufo Incident - Renewed Interest
The Roswell incident received little mainstream attention until 1978, when researchers Stanton T. Friedman and William L. Moore compared ...   » Read the article

Encyclopedia - Roswell Ufo Incident: Encyclopedia Ii - Roswell Ufo Incident - Recent Developments
In 2005, researcher Nick Redfern published his theory, detailed above, of horrible military experiments involving human guinea pigs that ...   » Read the article

Encyclopedia - Ringworld: Encyclopedia Ii - Ringworld - Concepts
Niven includes a number of alien species and entertaining concepts from his other Known Space stories including: the Puppeteer's General...   » Read the article

Encyclopedia - Ringworld: Encyclopedia Ii - Ringworld - The Story
In the year 2850, four explorers (two humans and two aliens) are chosen to explore a mysterious "ringworld", an enormous, artificial, rin...   » Read the article