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Ek to El

Eklund ISO

Historical Keterist world, exploiting the tremendous computing resources of the ISO for historical simulations/recreations (often called retreations) based on all available evidence and the self-consistency of history. Beside the Institute of Long-Range Cliology it is also known for the the Resurrection Orbit, a corporate brotherhood specialising in resurrecting versions of historical persons from the Institute retreations.

Anders Sandberg

Ekumenikon

Religious cooperation organisations during the federation era. As a response to the integration of the various terragen clades many religions and their churches began to negotiate mutual agreements on nonaggression, protection, shared facilities and mutually beneficial projects. The formation of the Sophic League was to a large extent the result of the unification of a number of major Ekumenikons.

Anders Sandberg

Elderman's Star

important Communion of Worlds member-system

Electra Entity

Expansion age nanocyborg activist clade, Pleiades Volume

In 2212, the heterosophist cyborg clade Electra Entity in the outer Merope Oort cloud, Pleiades Volume, achieved posthuman nanocyborg status, and began feeding subversion templates to haloists and other regional opponents of out-system development. The most dramatic success Electra Entity and eir allies had was the subversion of the entire Farview Merope Orbital Park administration, control and corporate culture network. The megacorp superbrights, superturings and hyperturings stepped in quickly to rectify the situation, and an expeditionary force removed Electra Entity from the area. It is not clear what became of the Entity after that, but a relativistic cyborg vessel fitting their description later turned up at the nearby TRHN outpost of Sargen 5, where they formerly requested, and were given, acceptance into the TRHN empire. It is believed elements of the Entity attained several singularity ascensions since. In any case nothing has been heard of them since the early Empires period. However several cyborg clades throughout the TRHN apparently show signs of Electra Entity nanomorphology. Further research is hindered by the reclusive and isolationist characteristics of these elements of TRHN society. the situation is confused by the fact that two cyborg clades in the Sagittarius Outer Volume show strong nanomorphological parallels, despite having no wormhole links or other connection to the TRHN

M.Alan Kazlev

Electrical Engineering

The design, analysis, optimization and implementation of products that utilize electricity and electromagnetic ism.

Includes fullerene semiconductors, molectronics, power systems, transmission and reception of signals, surge protection, motors, control systems, generators, amplifiers, electrical instruments, transceivers, and maser and laser systems. Some electronic engineers are also interested in archaic electrical technology, such as microtech integrated circuits, household appliances, and so on.

M.Alan Kazlev, modified from the original write-up by Robert J. Hall

Electrogenic Fish

Many Old Earth fish, particularly members of the chondricthyes (sharks and rays) and the teleosts (bony fish), had an electrical sense, usually for navigation or the detection of prey or predators. A minority of unrelated groups, 11 families in all, with fewer than 400 species, developed the ability to generate an electrical field as well. This field enabled them to detect other objects or organisms in the darkness, or in muddy water, or beneath a cover of sand and mud, within a radius of a metre or more. They did this either by picking up the natural emissions of a life form, or by detecting small changes in their own field that are produced by the varying conductivity of different materials. The organs of detection and the organs of electrical generation were various, since this trait evolved separately more than once. Detection organs were usually derived from the lateral line, a system that detects sounds and currents in the water. The electrogenic tissue involved stacks of flattened cells, called electroplaques or electrocytes, derived from muscle or nerve tissue. All electrogenic fish held the body rigid, apparently to simplify interpretation of their electrical field. They moved about with small motions of their fins, or by using ripples of a single long fin along the dorsal or ventral surface, or (as in rays) by ripples of two long fins on either side of the body. This meant that they were very maneuverable but usually not very quick. Usually the electrogenic organ was quite weak, generating less than 4 volts: just sufficient for use as a detection and communication device. Weakly electrogenic fish included mormyrids, African “knife” fishes, the unrelated South American “knife” fishes, and a number of other more obscure groups. In a few cases the basic electrogenic ability was greatly enhanced (sometimes the organs involved accounted for more than a third of body mass), and was used to stun prey or predators. In freshwater such fish (notably the electric “eel” of South America and the electric catfish of Africa) used very long stacks of electrocytes to generate the extremely high voltages required to achieve significant currents; their marine equivalents (stargazers, and various species of torpedo ray) achieved similar amperage by linking larger numbers of shorter stacks of electrocytes in parallel. Most species were exterminated directly or indirectly by humans in the terminal decades of the Information Age, and survived only in artificial environments or genetic banks. It is believed that GAIA has restored most of these to their original habitats in the time since the Great Expulsion.

Subsophont splices of the original species are fairly common in the Terragen sphere, partly because of their novelty value and partly because their ability to detect and generate electrical fields has applications for those who prefer biotech to drytech. In a few cases versions of the strongly electrogenic species are used as a sentient element in security systems.

A very few Terragen provolves have been produced from electrogenic fish. Often they are clades adapted to conditions of extreme darkness, such as deep sea habitats on Gaian worlds or the seas of Europan worlds. Some terragen rianth and splice clades, especially aquatic clades, carry grafts of genes from electrogenic fish either as part of their sensory equipment, but it does place constraints on body design. Strongly electrogenic traits have been incorporated by a minority of clades, including a few human-derived clades, but the size and physiological cost of such a weapon is prohibitive. Still, fads for “shocker” gene grafts do arise from time to time.

Stephen Inniss

electromagnetic radiation, electromagnetic spectrum

Electromagnetic radiation is so named due to the fact that the electric and magnetic properties of the wave propagate at right angles to one another in a sinusoidal manner at the speed of light. The waves are defined according to the following equation:
c = vλ
where
c is the speed of light
v is the frequency of the radiation, and
λ is the wavelength of the radiation, that is the distance between successive troughs or peaks on the wave.

Electromagnetic spectrum is full range of electromagnetic radiation, including (in order of decreasing energy and increasing wavelength): gamma rays, X-rays, UV rays, visible light, infrared, microwaves, and radio waves (see below)

Wave	Wavelength

Gamma rays	less that 0.1 Angstroms
X-Rays	0.1 to 200 Angstroms
Ultraviolet	200 - 4,000 Angstroms
Visible light	4,000 - 7,000 Angstroms
Near Infrared	7000 Angstroms to 10 microns
Mid-Infrared	10 microns to 60 microns
Far Infrared	60 microns to 300 microns
Sub millimeter	300 microns to 1 millimeter
Millimeter radio	1 millimeter to 1 centimeter
Microwave radio	1 millimeter to several centimeters

electron

An elementary particle with a unit electrical charge and a mass 1/1837 of the proton. Electrons surround the atom's positively charged nucleus and determine the atom's chemical properties.

electron capture decay

Nuclear decay by capture of an atomic electron. If the decay energy is greater than 1022 keV, positron emission can also occur in competition with electron capture.

Electron Degeneracy Pressure

Highly active "degenerate motion" resulting from electrons being confined in a very small space, such as a plasma under very high pressure, and thus pushing against adjacent electrons. Being determined by the quantum mechanics, this continues even when the matter is at absolute zero

Chris Clowes

element

a chemically pure substance composed of atoms of a single type.

elephant

Any of a number of species (both extant and lazurogenic) of large intelligent pachydermous ungulate terragen mammal.

The several Old Earth species (African, Indian, and African Forest) of elephants have been provolved (these being known as sufants) as well as being retained in a number of habitats and biospheres in their original baseline (presapient) condition; mostly reconstructed from genebanks in the post-nanoswarm period. They are also believed to exist on Earth as well, as several tourists have seen the various species, and they have also been photographed from CisLunar observatories. In addition, various communities of baseline and lazurogened species (including mammoth and mastodon) can be found in a number of biospheres throughout the galaxy

M.Alan Kazlev

Elsirac Ordinaries

Ingenious non-nanotech baseline/nearbaseline human clade

Forced to flee Peta Dromanis after the Version War, the tribes of the Sirtis Desert found a new home in the MPA habitat Elsirac Ring, at Arkab Prior B. The ruling faction known as 'Ordinaries' adopted the macrotech way of life, rejecting augmentation and nanotech, and have created a wealthy and sophisticated society on this dry world.

Some of the most advanced products of unassisted human technology are produced here, particularly the watersaver mills, and the modular robots which are their assistants and companions. No other society demonstrates the ingenuity of the original species of humanity more clearly.

Steve Bowers

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