A Weapons Officer is a rank of commissioned officer found in various interplanetary as well as Earth-based military service groups. They are in charge of operation and maintenance of all weapons systems within a station, base or ship and coordinate their efforts with their direct commanding officer to collectively achieve and maintain crew efficiency, situational awareness and mission effectiveness. Weapons Officers plot out firing solutions in enemy combat based upon range and strength of the opposition. Examples of known Weapons Officers in science fiction include Lt. Commander Worf from Star Trek: The Next Generation and Tyr Anasazi from Andromeda.
(See Also: Tactical Officer)
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A white hole, in general relativity, is a hypothetical region of spacetime which cannot be entered from the outside, but from which matter and light may escape. In this sense it is the reverse of a black hole, which can be entered from the outside, but from which nothing, including light, may escape. (However, it is theoretically possible for a traveler to enter a rotating black hole, avoid the singularity, and travel into a rotating white hole which allows the traveler to escape into another universe. White holes appear in the theory of eternal black holes.
(See Also: Black hole)
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In physics and fiction, a wormhole is a hypothetical topological feature of spacetime that would be, fundamentally, a "shortcut" through spacetime. To comprehend the mechanics behind the phenomenon, visualize spacetime as a two-dimensinal surface that is folded along a third dimension thus creating a bridge between origin point and destination. An object passing through spacetime will travel from origin point to destination at a length of speed and time significantly less than what would be achieved through more conventional means of travel. Wormholes are popular plot devices in many science fiction stories, films and television programs such as Event Horizon, Stargate, Star Trek: Deep Space Nine and Farscape.