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Science and Technology List

Name :  A B C D E F G H I J K L M N O P Q R S T U V W X Y Z # All

Name Notes
D'Arsay Archive [1] In 2370 the USS Enterprise discovered a rogue comet which had originated within the D'Arsay system some 87 million years earlier. Soon after the find, strange artefacts began to appear on the Starship bearing symbols of an alien language. The crew quickly realized that some kind of alien computer program had been loaded into the main computer from within the comet. Captain Picard ordered the outer layer of the comet melted away; inside there lay a huge metallic object covered with the same symbols that had appeared on the ship.

The transformations continued; Lieutenant Commander Data, the ship's android officer, underwent changes to his positronic brain which drastically altered his personality. Large sections of the Enterprise were recreated in the form of the alien culture.

Captain Picard surmised that the archive was recreating personalities from its culture within Data. Picard was able to uncover the relationship between some of the characters and use this to convince the dominant personality - Masaka - to release its control of his officer and the ship. With the archive dormant, the ship's chief engineer was able to disable it permanently. The Enterprise proceeded on its way while Starfleet despatched an archaeological team to study the archive. [1]
Dampening field [2] A field which inhibits most forms of energy. Dampening fields can prevent weapons or communicators from working. [2]
Dark Matter [3] Matter which is undetectable to most forms of sensor and scanner. Striking dark matter can cause normal materials to briefly phase out of space. Dark matter is commonly found in certain types of nebula, [3] or in asteroid form. [4]
Data clip [5] A handheld information storage system used by the Kellerun. [5]
Data crystal [6] An advanced information storage system used by the Idanians. [6]
Data port [6] A socket implanted into a person to allow them to interface directly with a computer. [6]
Decompression chamber [7] A sealed chamber used to gradually alter atmospheric pressure over hours or days. [7]
Deflector shield [8] A force field projected around a space vessel or installation in order to protect it from attack. The effectiveness of shields varies greatly according to the type and frequency of weapon used. [8]
Dekyon [9] A class of particles which travel below light speed. [9]
Delta radiation [10] Form of highly hazardous radiation capable of causing severe disfigurement. [10] Delta radiation could be used to stabilise liquid Trellium-D, though it was not wholly successful at this task. [11] In the Mirror universe the warp core of the NX class starship emitted Delta radiation, and disfigurement was one of the hazards of being a Chief Engineer. [12]
Delta series radioisotopes [13] A set of radioactive isotopes which are considered highly toxic to Humans. [13]
Delta wave frequency [14] An energy pattern generated by bothan ships. [14]
Denevan crystals [15] Contraband material which cannot legally be sold or owned within the Federation. [15]
Dentarium [16] A metal alloy which is used in the construction fo Vulcan spacecraft. [16]
Desealer rod [17] Device which unlocks pulsatel lock seal. [17]
Deuridium [18] A substance capable of stabilising the cell structure of the Kobliad. Sources of deuridium were located in the Gamma Quadrant. [18]
Deuterium [19] An isotope of the element hydrogen which is formed of one proton and one neutron orbited by a single electron. [19]
Deuterium control conduit [20] A part of a Federation Starship's warp drive system. [20]
Deuterium injector [21] Element of a Starship's warp drive system. [21]
Deuterium pumps [22] Element of the drive system of an NX class starship. [22]
Diagnostic [23] Starfleet term for a variety of procedures used to determine the nature of a fault in any system. [23]
Diamagnetic dust [24] Substance to be found in the ring system of certain planets. [24]
Diamagnetic minerals [25] Naturally occurring substance found in igneous rock which can interfere with communications systems. [25]
Diamagnetic storm [26] Atmospheric storm which carried polaric energy. It was extremely dangerous to be caught in one. [26]
Diamide [27] A metallic substance sometimes used in the construction of Bajoran earrings. [27]
Diamond [28] A form of carbon crystal, diamonds were relatively rare and were thus considered to be valuable in many cultures. Humans considered diamonds to be valuable up until 2367, with a large deposit constituting 'an incredible fortune' [28], though Lithium crystals were worth three hundred times more than diamonds of equal weight. [29] However, during 2367 the ability to manufacture large quantities of gem stones became widespread - so easy did this become, in fact, that a Constitution class vessel could manufacture diamonds by the ton. This rendered them worthless. [28]
Diboridium core [30] A small power generator used by the Cardassians. [30]
Diburnium-osmium alloy [31] A metal used in the construction of artificial planets by the Kalandans. [31]
Dicosilium [32] A substance used to create reflective coils in a Krieger wave convertor. [32]
Dicyclic warp signature [33] Energy characteristic produced by Hirogen warp drive technology. [33]
Dielectric field [34] A semi polarized magnetic field which can be used to overcome some forms of atmospheric turbulence. [34]
Differential magnetometer [35] A scientific instrument used by the Federation. [35]
Dikironium [36] A gaseous substance. Certain life forms are composed partially of Dikironium. [36]
Dilithium chamber [37] Element of a Federation warp drive which contains the dilithium crystals. [37]
Dilithium crystal [38] An element of Federation warp drives located within the warp core. Dilithium crystals control and regulate the matter/antimatter reaction which powers the vessel. Crystals should ideally be very pure, and very carefully aligned within the reaction chamber. [38]
Dilithium hydroxls [39] Substance which could disable the warp drive of an NX class starship if it was mixed with ionized pyrosulfates and sent into the plasma vents. [39]
Dilithium matrix [40] Element of the warp drive system of an NX class starship. During start up of the reactor the output had to be confined to within 300 and 312 millicochranes to prevent fusion of the dilithium matrix, unless the spatial-compression index was greater than 5.62% or the ship was within two parsecs of a Class-C gravimetric field distortion. [40]
Dilithium sequencers [41] Element of the warp drive of an NX class starship. [41]
Dilithium vector calibrations [42] A routine maintanence performed on the dilithium crystals of a Federation Starship. High accelerations are not advisable immediately after this procedure is performed. [42]
Dimensional Shift [43] What is termed in the Federation as the Elway theorem has long been known as a potentially advanced transporter system. The Starfleet Academy astrophysics course has two hours on the theorem, which has amongst its spinoffs the adaptive transport also known as subspace transition rebounding transport or the dimensional shift. The theorem eventually proved to be inaccurate and all research was abandoned by the mid 23rd century. However, the dimensional shift idea did indeed work successfully and was adopted by the Ansata terrorist movement on the planet Rutia IV. Unfortunately for the terrorists, the process is inimical to living tissue; genetic damage results from each use of the technology with a cumulative effect which is invariably fatal. The Ansata kept using the system despite this, since the transport is untraceable by any standard method of detection.

When the Ansata kidnapped Dr. Beverly Crusher, the Enterprise-D crew became involved in the fight against them. Each person using the transport wears an armband containing a subspace field coil and an isolated power source. Use of the system results in a slight nuclear vibration which allowed the Enterprise crew to speculate that the dimensional shift was being used. They were subsequently able to locate the terrorist headquarters using an adaptive subspace echogram to trace the dimensional shifts. A joint Starfleet / Rutian force attacked the headquarters and rescued the Federation prisoners, killing the leader of the terrorists in the process. [43]
Directional sonic generator [44] Handheld device which emits sound in a narrow beam. [44]
Dispersion field [45] Field which prevents the use of a transporter within a given area. [45]
Displacement wave [46] A spatial phenomenon which involves a polarized magnetic variation. [46]
Distortion field [47] A phenomena which occasionally exists in a planetary atmosphere. A distortion field prevents the use of transporters or shuttlecraft. [47]
Docking port [48] An area on a vessels hull which allows it to physically link itself to any other object similarly equipped. [48]
Dolamide [49] Chemical energy source used in power generators or, when very pure, in weapons. [49]
Doppler compensator [50] An element of the transporters which compensates for the relative velocities of the system and the object being transported. [50]
Drag coefficient [51] A measurement of the frictional forces on a body travelling in a fluid relative to its speed. [51]
Drake equation [52] Theoretical equation proposed on 20th century Earth which attempts to estimate the number of civilizations in the galaxy. [52]
Drive coil assembly [53] An element of a Federation impulse engine. [53]
Drone [54] Small flying device which the Son'a used in order to implant the Ba'ku with isolinear tags in order to facilitate transport. [54]
Drones A semi-autonomous flight system which is able to perform a number of different tasks. One such system was designed by Adam Soong and used to project a Sunshield to protect his daughter from harmful solar rays. [55] In an alternate reality the Confederation of Earth used a larger version to raise a sunshield over the entire planet, offsetting the effects of global warming, without attempting to solve the root cause. [56]

Adam Soong attempted to use a militarized version to destroy the Europa mission launch vehicle, however, Rios and Raffi were able to use the drones to target each other, allowing the rocket to launch as scheduled. [57]
Dualitic convertor [58] Tool used by Starfleet engineering specialists. [58]
Duck blind [59] An observation post which is hidden behind a holographic projection that mimics natural surroundings. The federation employs Duck Blinds to observe primitive cultures without their knowledge. [59]
Duonetic field [60] A type of energy which inhibits the operation of many technological devices. [60]
Duotronics [61] A computer technology created by Dr. Richard Daystrom which formed the basis of all computers in the mid 23rd century. [61]
Duranium [10] Metal alloy used in the construction of Federation Starship hulls. [10]
Duratanium polyalloy [62] A metal composite used in Federation Starship hulls. [62]
Duridium alloy [63] A metal used in the construction of high quality throwing darts. [63]
Dutotronic probe [64] Tool used to regulate plasma flow. [64]
Dynametric array [44] Analytical tool used by Federation engineers. [44]
Dynamite [65] Chemical explosive. [65]
Dynoscanner [66] A scanner used to detect molecular activity. [66]
Dynospanner [67] A tool used by the Federation in the 2260s. In 2265 Cervantes Quinn falsely claimed that his cargo included dynospanners. [67]
Dyson Sphere [19] An artificial sphere built around a star in order to provide an extremely large living area and allow the stars radiated output to be collected and used. [19]

Name :  A B C D E F G H I J K L M N O P Q R S T U V W X Y Z # All

Colour key

Canon source Backstage source Novel source DITL speculation

References

# Series Season Source Comment
1 TNG 7 Masks
2 TOS 2 The Doomsday Machine
3 TNG 4 In Theory
4 VOY 6 One Small Step
5 DS9 2 Armageddon Game
6 DS9 5 A Simple Investigation
7 TOS 1 Space Seed
8 TOS 1 Mudd's Women
9 TNG 5 Cause and Effect
10 TOS 1 The Menagerie, Part 1
11 ENT 3 Rajiin
12 ENT 4 In A Mirror, Darkly
13 DS9 3 Visionary
14 VOY 6 Riddles
15 DS9 6 The Sound of Her Voice
16 TNG 5 Unification, Part 1
17 DS9 2 Necessary Evil
18 DS9 1 The Passenger
19 TNG 6 Relics
20 TNG 2 The Dauphin
21 DS9 6 One Little Ship
22 ENT 2 The Crossing
23 TNG 2 The Child
24 ENT 2 Judgment
25 ENT 2 Dawn
26 ENT 2 Vanishing Point
27 DS9 3 The Search, Part 1
28 TOS 1 Arena
29 TOS 1 Mudd's Women Lithium is a real world substance, a soft alkali metal. It is not crystalline in appearance, and as far as we know not useful in warp drives. It is probably for this reason that the writers dropped the word lithium and replaced it with the somewhat more 'sci-fi' Dilithium!
30 DS9 1 Babel
31 TOS 3 That Which Survives
32 TNG 3 A Matter of Perspective
33 VOY 4 Prey
34 VOY 2 Innocence
35 DS9 1 Battle Lines
36 TOS 2 Obsession
37 TNG 3 Booby Trap
38 TOS 2 Journey to Babel
39 ENT 2 Precious Cargo
40 ENT 3 Doctor's Orders
41 ENT 2 The Catwalk
42 TNG 4 Brothers
43 TNG 3 The High Ground
44 DS9 2 Playing God
45 TNG 5 Darmok
46 VOY 1 Caretaker
47 TNG 6 Second Chances
48 Star Trek : The Motion Picture
49 DS9 1 Dramatis Personae
50 Generic canonical information
51 TNG 5 Imaginary Friend
52 VOY 3 Future's End, Part 1
53 VOY 2 Parturition
54 Star Trek : Insurrection
55 STP 2 Fly Me to the Moon
56 STP 2 Penance
57 STP 2 Farewell
58 DS9 4 Starship Down
59 TNG 3 Who Watches The Watchers?
60 DS9 2 Paradise
61 TOS 2 The Ultimate Computer
62 VOY 2 Dreadnought
63 DS9 5 By Inferno's Light
64 VOY 3 Fair Trade
65 VOY 4 The Killing Game, Part 2
66 Star Trek II : The Wrath of Khan
67 Star Trek : Vanguard, Book 1 - Harbinger
Series : TNG Season 7
Episode : Masks
Series : TOS Season 2
Episode : The Doomsday Machine
Series : TNG Season 4
Episode : In Theory
Series : VOY Season 6
Episode : One Small Step
Series : DS9 Season 2
Episode : Armageddon Game
Series : DS9 Season 5
Episode : A Simple Investigation
Series : TOS Season 1
Episode : Space Seed
Series : TOS Season 1
Episode : Mudd's Women
Series : TNG Season 5
Episode : Cause and Effect
Series : TOS Season 1
Episode : The Menagerie, Part 1
Series : ENT Season 3
Episode : Rajiin
Series : ENT Season 4
Episode : In A Mirror, Darkly
Series : DS9 Season 3
Episode : Visionary
Series : VOY Season 6
Episode : Riddles
Series : DS9 Season 6
Episode : The Sound of Her Voice
Series : TNG Season 5
Episode : Unification, Part 1
Series : DS9 Season 2
Episode : Necessary Evil
Series : DS9 Season 1
Episode : The Passenger
Series : TNG Season 6
Episode : Relics
Series : TNG Season 2
Episode : The Dauphin
Series : DS9 Season 6
Episode : One Little Ship
Series : ENT Season 2
Episode : The Crossing
Series : TNG Season 2
Episode : The Child
Series : ENT Season 2
Episode : Judgment
Series : ENT Season 2
Episode : Dawn
Series : ENT Season 2
Episode : Vanishing Point
Series : DS9 Season 3
Episode : The Search, Part 1
Series : TOS Season 1
Episode : Arena
Series : TOS Season 1
Episode : Mudd's Women
Comment : Lithium is a real world substance, a soft alkali metal. It is not crystalline in appearance, and as far as we know not useful in warp drives. It is probably for this reason that the writers dropped the word lithium and replaced it with the somewhat more 'sci-fi' Dilithium!
Series : DS9 Season 1
Episode : Babel
Series : TOS Season 3
Episode : That Which Survives
Series : TNG Season 3
Episode : A Matter of Perspective
Series : VOY Season 4
Episode : Prey
Series : VOY Season 2
Episode : Innocence
Series : DS9 Season 1
Episode : Battle Lines
Series : TOS Season 2
Episode : Obsession
Series : TNG Season 3
Episode : Booby Trap
Series : TOS Season 2
Episode : Journey to Babel
Series : ENT Season 2
Episode : Precious Cargo
Series : ENT Season 3
Episode : Doctor's Orders
Series : ENT Season 2
Episode : The Catwalk
Series : TNG Season 4
Episode : Brothers
Series : TNG Season 3
Episode : The High Ground
Series : DS9 Season 2
Episode : Playing God
Series : TNG Season 5
Episode : Darmok
Series : VOY Season 1
Episode : Caretaker
Series : TNG Season 6
Episode : Second Chances
Film: Star Trek : The Motion Picture
Series : DS9 Season 1
Episode : Dramatis Personae
Source : Generic canonical information
Series : TNG Season 5
Episode : Imaginary Friend
Series : VOY Season 3
Episode : Future's End, Part 1
Series : VOY Season 2
Episode : Parturition
Film: Star Trek : Insurrection
Series : STP Season 2
Episode : Fly Me to the Moon
Series : STP Season 2
Episode : Penance
Series : STP Season 2
Episode : Farewell
Series : DS9 Season 4
Episode : Starship Down
Series : TNG Season 3
Episode : Who Watches The Watchers?
Series : DS9 Season 2
Episode : Paradise
Series : TOS Season 2
Episode : The Ultimate Computer
Series : VOY Season 2
Episode : Dreadnought
Series : DS9 Season 5
Episode : By Inferno's Light
Series : VOY Season 3
Episode : Fair Trade
Series : VOY Season 4
Episode : The Killing Game, Part 2
Film: Star Trek II : The Wrath of Khan
Novel : Star Trek : Vanguard, Book 1 - Harbinger


© Graham & Ian Kennedy Page views : 1,512,235 Last updated : 19 Mar 2024