AcronymsThe entrire Lexicon in Printer friendly form
Lexicon: Star Fleet Terminology - J - K - L
Jefferies TubeService corridor in a Federation starship. A network of Jefferies tubes runs through each starship and provides access to the various conduits (EPS) and waveguides (ODN). Jefferies tubes are named in honor of Matt Jefferies, the ingenious designer of the original starship Enterprise.
Ketracel White An addictive isogenic enzyme also known simply as 'white,' a pharmaceutical used by the Dominion to control the Jem'Hadar. The supplies are controlled by the Vorta, under the Founders. One of its active ingredients is uridium bycantizine and a specific genetic defect must be in place before the need for Ketracel White arises.
LaserAcronym for Light Amplification by Stimulated Emission of Radiation. In a laser, the oscillator (a gaseous, fluid or solid matter) is embedded in a resonator, usually consisting of two mirrors. Continuous energy supply leads to an occupation inversion of energy levels within the oscillator, meaning that more electrons are in an excited (higher energy) state than in the normal state. A large amount of narrow-band light is produced, corresponding to electrons falling back to their normal states. A small part of the generated photons generates new excited electrons, while the major part is emitted through one of the mirrors which is semi-transparent. Laser weapons have been replaced by the more powerful phasers in the 23rd century, however, lasers are still in use as cutting and welding tools. The above descrition applies to 20th century lasers, and it can be supposed that their principle will not change until the 24th century.

Laser-induced fusion
Engineering term for controlled nuclear fusion in which the required ignition temperatures are created by powerful lasers. Laser induced fusion is used in the impulse drive engines of Federation starships, as well as in the power supply reactors on Starbases
LCARSAcronym for Library Computer Access and Retrieval System, the common user interface of 24th century computer systems, based on verbal and graphically enhanced keyboard/display touch screen input and output. The graphical interface adapts to the task which is to be performed, allowing for maximum ease-of-use.
Life supportDesignation for a number of ship systems necessary to maintain living conditions for the crew, namely atmospheric system, and EPS. The life support systems are distributed throughout the ship and redundant systems are available to provide maximum safety for the crew.
LightspeedPhysical constant which represents the speed of energy waves and massless particles in vacuum. Lightspeed is 299,792.458 km/s. The lightspeed-barrier cannot be broken by Newtonian propulsion drives.
Lightspeed BarrierAbsolute maximum speed for Newtonian travel. Because of relativistic mass increase and slowing time, no Newtonian-travelling object can travel at lightspeed or above. The only Newtonian systems that can travel at lightspeed are massless particles and energywaves.
AcronymsThe entrire Lexicon in Printer friendly form


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