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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

NameUp Description Episode
D'Arsay archive A store of information left behind by the D'Arsay people.1 Masks
Dampening field2 A field which inhibits most forms of energy. Dampening fields can prevent weapons or communicators from working.2 The Doomsday Machine
Dark Matter 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 In Theory
Data clip5 A handheld information storage system used by the Kellerun.5 Armageddon Game
Data crystal6 An advanced information storage system used by the Idanians.6 A Simple Investigation
Data port6 A socket implanted into a person to allow them to interface directly with a computer.6 A Simple Investigation
Decompression chamber7 A sealed chamber used to gradually alter atmospheric pressure over hours or days.7 Space Seed
Deflector shield8 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 Mudd's Women
Dekyon A class of particles which travel below light speed.9 Cause and Effect
Delta radiation10 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 The Menagerie, Part 1
Delta series radioisotopes13 A set of radioactive isotopes which are considered highly toxic to Humans.13 Visionary
Delta wave frequency14 An energy pattern generated by bothan ships.14 Riddles
Denevan crystals15 Contraband material which cannot legally be sold or owned within the Federation.15 The Sound of Her Voice
Dentarium16 A metal alloy which is used in the construction fo Vulcan spacecraft.16 Unification, Part 1
Desealer rod17 Device which unlocks pulsatel lock seal.17 Necessary Evil
Deuridium18 A substance capable of stabilising the cell structure of the Kobliad. Sources of deuridium were located in the Gamma Quadrant.18 The Passenger
Deuterium19 An isotope of the element hydrogen which is formed of one proton and one neutron orbited by a single electron.19 Relics
Deuterium control conduit20 A part of a Federation Starship's warp drive system.20 The Dauphin
Deuterium injector21 Element of a Starship's warp drive system.21 One Little Ship
Deuterium pumps22 Element of the drive system of an NX class starship.22 The Crossing
Diagnostic23 Starfleet term for a variety of procedures used to determine the nature of a fault in any system.23 The Child
Diamagnetic dust24 Substance to be found in the ring system of certain planets.24 Judgment
Diamagnetic minerals25 Naturally occurring substance found in igneous rock which can interfere with communications systems.25 Dawn
Diamagnetic storm26 Atmospheric storm which carried polaric energy. It was extremely dangerous to be caught in one.26 Vanishing Point
Diamide27 A metallic substance sometimes used in the construction of Bajoran earrings.27 The Search, Part 1
Diboridium core28 A small power generator used by the Cardassians.28 Babel
Diburnium-osmium alloy29 A metal used in the construction of artificial planets by the Kalandans.29 That Which Survives
Dicosilium30 A substance used to create reflective coils in a Krieger wave convertor.30 A Matter of Perspective
Dicyclic warp signature31 Energy characteristic produced by Hirogen warp drive technology.31 Prey
Dielectric field32 A semi polarized magnetic field which can be used to overcome some forms of atmospheric turbulence.32 Innocence
Differential magnetometer33 A scientific instrument used by the Federation.33 Battle Lines
Dikironium34 A gaseous substance. Certain life forms are composed partially of Dikironium.34 Obsession
Dilithium chamber35 Element of a Federation warp drive which contains the dilithium crystals.35 Booby Trap
Dilithium crystal36 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.36 Journey to Babel
Dilithium hydroxls37 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.37 Precious Cargo
Dilithium matrix38 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.38 Doctor's Orders
Dilithium sequencers39 Element of the warp drive of an NX class starship.39 The Catwalk
Dilithium vector calibrations40 A routine maintanence performed on the dilithium crystals of a Federation Starship. High accelerations are not advisable immediately after this procedure is performed.40 Brothers
Dimensional shift A form of transporter which uses space folding, thus rendering it virtually impossible to trace. The dimensional shift is damaging to DNA, and repeated use is fatal to living things.41 The High Ground
Directional sonic generator42 Handheld device which emits sound in a narrow beam.42 Playing God
Dispersion field43 Field which prevents the use of a transporter within a given area.43 Darmok
Displacement wave44 A spatial phenomenon which involves a polarized magnetic variation.44 Caretaker, Part 1
Distortion field45 A phenomena which occasionally exists in a planetary atmosphere. A distortion field prevents the use of transporters or shuttlecraft.45 Second Chances
Docking port46 An area on a vessels hull which allows it to physically link itself to any other object similarly equipped.46 Star Trek : The Motion Picture
Dolamide47 Chemical energy source used in power generators or, when very pure, in weapons.47 Dramatis Personae
Doppler compensator48 An element of the transporters which compensates for the relative velocities of the system and the object being transported.48 Generic canonical information
Drag coefficient49 A measurement of the frictional forces on a body travelling in a fluid relative to its speed.49 Imaginary Friend
Drake equation50 Theoretical equation proposed on 20th century Earth which attempts to estimate the number of civilizations in the galaxy.50 Future's End, Part 1
Drive coil assembly51 An element of a Federation impulse engine.51 Parturition
Drone52 Small flying device which the Son'a used in order to implant the Ba'ku with isolinear tags in order to facilitate transport.52 Star Trek : Insurrection
Drydock46 A large facility within which a Starship can be constructed, repaired or maintained.46 Star Trek : The Motion Picture
Dualitic convertor53 Tool used by Starfleet engineering specialists.53 Starship Down
Duck blind54 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.54 Who Watches The Watchers?
Duonetic field55 A type of energy which inhibits the operation of many technological devices.55 Paradise
Duotronics56 A computer technology created by Dr. Richard Daystrom which formed the basis of all computers in the mid 23rd century.56 The Ultimate Computer
Duranium10 Metal alloy used in the construction of Federation Starship hulls.10 The Menagerie, Part 1
Duratanium polyalloy57 A metal composite used in Federation Starship hulls.57 Dreadnought
Duridium alloy58 A metal used in the construction of high quality throwing darts.58 By Inferno's Light
Dutotronic probe59 Tool used to regulate plasma flow.59 Fair Trade
Dynametric array42 Analytical tool used by Federation engineers.42 Playing God
Dynamite60 Chemical explosive.60 The Killing Game, Part 2
Dynoscanner61 A scanner used to detect molecular activity.61 Star Trek II : The Wrath of Khan
Dyson Sphere19 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 Relics

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

Yellow text = Canon source Green text = Backstage source Cyan text = Novel White text = DITL speculation


# 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 DS9 1 Babel
29 TOS 3 That Which Survives
30 TNG 3 A Matter of Perspective
31 VOY 4 Prey
32 VOY 2 Innocence
33 DS9 1 Battle Lines
34 TOS 2 Obsession
35 TNG 3 Booby Trap
36 TOS 2 Journey to Babel
37 ENT 2 Precious Cargo
38 ENT 3 Doctor's Orders
39 ENT 2 The Catwalk
40 TNG 4 Brothers
41 TNG 3 The High Ground
42 DS9 2 Playing God
43 TNG 5 Darmok
44 VOY 1 Caretaker, Part 1
45 TNG 6 Second Chances
46 Star Trek : The Motion Picture
47 DS9 1 Dramatis Personae
48 Generic canonical information
49 TNG 5 Imaginary Friend
50 VOY 3 Future's End, Part 1
51 VOY 2 Parturition
52 Star Trek : Insurrection
53 DS9 4 Starship Down
54 TNG 3 Who Watches The Watchers?
55 DS9 2 Paradise
56 TOS 2 The Ultimate Computer
57 VOY 2 Dreadnought
58 DS9 5 By Inferno's Light
59 VOY 3 Fair Trade
60 VOY 4 The Killing Game, Part 2
61 Star Trek II : The Wrath of Khan
Series :  TNG Season 7 (Disc 5)
Episode :  Masks
Series :  TOS Season 2 (Disc 2)
Episode :  The Doomsday Machine
Series :  TNG Season 4 (Disc 6)
Episode :  In Theory
Series :  VOY Season 6 (Disc 2)
Episode :  One Small Step
Series :  DS9 Season 2 (Disc 4)
Episode :  Armageddon Game
Series :  DS9 Season 5 (Disc 5)
Episode :  A Simple Investigation
Series :  TOS Season 1 (Disc 6)
Episode :  Space Seed
Series :  TOS Season 1 (Disc 2)
Episode :  Mudd's Women
Series :  TNG Season 5 (Disc 4)
Episode :  Cause and Effect
Series :  TOS Season 1 (Disc 3)
Episode :  The Menagerie, Part 1
Series :  ENT Season 3 (Disc 1)
Episode :  Rajiin
Series :  ENT Season 4 (Disc 5)
Episode :  In A Mirror, Darkly
Series :  DS9 Season 3 (Disc 5)
Episode :  Visionary
Series :  VOY Season 6 (Disc 2)
Episode :  Riddles
Series :  DS9 Season 6 (Disc 7)
Episode :  The Sound of Her Voice
Series :  TNG Season 5 (Disc 2)
Episode :  Unification, Part 1
Series :  DS9 Season 2 (Disc 2)
Episode :  Necessary Evil
Series :  DS9 Season 1 (Disc 3)
Episode :  The Passenger
Series :  TNG Season 6 (Disc 1)
Episode :  Relics
Series :  TNG Season 2 (Disc 3)
Episode :  The Dauphin
Series :  DS9 Season 6 (Disc 4)
Episode :  One Little Ship
Series :  ENT Season 2 (Disc 4)
Episode :  The Crossing
Series :  TNG Season 2 (Disc 1)
Episode :  The Child
Series :  ENT Season 2 (Disc 4)
Episode :  Judgment
Series :  ENT Season 2 (Disc 3)
Episode :  Dawn
Series :  ENT Season 2 (Disc 3)
Episode :  Vanishing Point
Series :  DS9 Season 3 (Disc 1)
Episode :  The Search, Part 1
Series :  DS9 Season 1 (Disc 2)
Episode :  Babel
Series :  TOS Season 3 (Disc 4)
Episode :  That Which Survives
Series :  TNG Season 3 (Disc 3)
Episode :  A Matter of Perspective
Series :  VOY Season 4 (Disc 4)
Episode :  Prey
Series :  VOY Season 2 (Disc 6)
Episode :  Innocence
Series :  DS9 Season 1 (Disc 4)
Episode :  Battle Lines
Series :  TOS Season 2 (Disc 3)
Episode :  Obsession
Series :  TNG Season 3 (Disc 2)
Episode :  Booby Trap
Series :  TOS Season 2 (Disc 3)
Episode :  Journey to Babel
Series :  ENT Season 2 (Disc 3)
Episode :  Precious Cargo
Series :  ENT Season 3 (Disc 4)
Episode :  Doctor's Orders
Series :  ENT Season 2 (Disc 3)
Episode :  The Catwalk
Series :  TNG Season 4 (Disc 1)
Episode :  Brothers
Series :  TNG Season 3 (Disc 3)
Episode :  The High Ground
Series :  DS9 Season 2 (Disc 5)
Episode :  Playing God
Series :  TNG Season 5 (Disc 1)
Episode :  Darmok
Series :  VOY Season 1 (Disc 1)
Episode :  Caretaker, Part 1
Series :  TNG Season 6 (Disc 5)
Episode :  Second Chances
Film: Star Trek : The Motion Picture
Series :  DS9 Season 1 (Disc 5)
Episode :  Dramatis Personae
Source :  Generic canonical information
Series :  TNG Season 5 (Disc 5)
Episode :  Imaginary Friend
Series :  VOY Season 3 (Disc 2)
Episode :  Future's End, Part 1
Series :  VOY Season 2 (Disc 2)
Episode :  Parturition
Film: Star Trek : Insurrection
Series :  DS9 Season 4 (Disc 2)
Episode :  Starship Down
Series :  TNG Season 3 (Disc 1)
Episode :  Who Watches The Watchers?
Series :  DS9 Season 2 (Disc 4)
Episode :  Paradise
Series :  TOS Season 2 (Disc 7)
Episode :  The Ultimate Computer
Series :  VOY Season 2 (Disc 5)
Episode :  Dreadnought
Series :  DS9 Season 5 (Disc 4)
Episode :  By Inferno's Light
Series :  VOY Season 3 (Disc 4)
Episode :  Fair Trade
Series :  VOY Season 4 (Disc 5)
Episode :  The Killing Game, Part 2
Film: Star Trek II : The Wrath of Khan

Copyright Graham Kennedy Page views : 608,352 Last updated : 1 Jan 1970