Mini 520 - Triumvirate Mafia - ABANDONED
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Mastermind of Sin Cassandra Complex
- Cassandra Complex
- Cassandra Complex
- Posts: 15163
- Joined: October 30, 2004
- Location: Sleeping with the Godfather's Daughter
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FaerieLord Mafia Scum
- Mafia Scum
- Mafia Scum
- Posts: 1599
- Joined: March 23, 2007
- Location: In an Octupus' Garden
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Mastermind of Sin Cassandra Complex
- Cassandra Complex
- Cassandra Complex
- Posts: 15163
- Joined: October 30, 2004
- Location: Sleeping with the Godfather's Daughter
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Elmo Mafia Scum
- Mafia Scum
- Mafia Scum
- Posts: 3047
- Joined: September 7, 2007
- Location: happy
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Mastermind of Sin Cassandra Complex
- Cassandra Complex
- Cassandra Complex
- Posts: 15163
- Joined: October 30, 2004
- Location: Sleeping with the Godfather's Daughter
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Cephrir he/himSurvivorhe/him
- Survivor
- Survivor
- Posts: 25304
- Joined: October 11, 2006
- Pronoun: he/him
- Location: Seattle-ish
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Elmo Mafia Scum
- Mafia Scum
- Mafia Scum
- Posts: 3047
- Joined: September 7, 2007
- Location: happy
The cardinal points and the associated cardinal planes are a set of special points and planes in an optical system, which help in the analysis of its paraxial properties. The analysis of an optical system using cardinal points is known as Gaussian optics, named after Carl Friedrich Gauss.
The cardinal points and planes of an optical system include:
* The focal points and focal planes
* The principal planes and principal points
* The surface vertices (or vertexes)
* The nodal points
For a lens, there will be two of each of these, identified by "front" and "rear" depending on whether they are on the input or the output side of the lens, respectively.
These points and planes, together with the aperture stop, and the chief and marginal rays of the system, define the locations and sizes of the entrance and exit pupils of the system, as well as its other image-forming properties, such as the focal length and magnification.
More detailed and accurate analysis of an optical system's performance can be achieved by raytracing, either within the paraxial approximation or using "real rays", i.e. rays that refract and reflect according to Snell's law and the law of reflection, without approximation.Succinctness is pro-town.
Passion is inversely proportional to the amount of real information available. ~ Gregory Benford-
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Mastermind of Sin Cassandra Complex
- Cassandra Complex
- Cassandra Complex
- Posts: 15163
- Joined: October 30, 2004
- Location: Sleeping with the Godfather's Daughter
In optics and physics, Snell's law (also known as Descartes' law or the law of refraction), is a formula used to describe the relationship between the angles of incidence and refraction, when referring to light or other waves, passing through a boundary between two different isotropic media, such as air and glass. The law says that the ratio of the sines of the angles of incidence and of refraction is a constant that depends on the media.
In optics, the law is used in ray tracing to compute the angles of incidence or refraction, and in experimental optics to find the refractive index of a material.
Named after Dutch mathematician Willebrord Snellius, one of its discoverers, Snell's law states that the ratio of the sines of the angles of incidence and refraction is equal to the ratio of velocities in the two media, or equivalently to the inverse ratio of the indices of refraction:
or
Snell's law follows from Fermat's principle of least time, which in turn follows from the propagation of light as waves.Permanent V/LA.-
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spurgistan
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skitzer Mafia Scum
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Mastermind of Sin Cassandra Complex
- Cassandra Complex
- Cassandra Complex
- Posts: 15163
- Joined: October 30, 2004
- Location: Sleeping with the Godfather's Daughter
"QFT", internet slang usually meaning "quoted for truth". This term applies on forums and posting boards where users can edit their posts, and describes a re-posting of another user's statement in order to counteract subsequent changes. Since the repost is not made by the original author, it can not be edited by him and will always preserve an unaltered copy of his initial contribution. Thus the QFT holds the poster to his original statement. It is also used to express agreement with a previous poster's statement and validate its veracity. Other variations include "quoted for truthiness," "quoted for truthery," and "quite fucking true". QFT can also mean "quit fucking talking".Permanent V/LA.-
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Thin_Man Goon
- Goon
- Goon
- Posts: 199
- Joined: August 19, 2007
This is not true.Mastermind of Sin wrote:"QFT", internet slang usually meaning "quoted for truth". This term applies on forums and posting boards where users can edit their posts, and describes a re-posting of another user's statement in order to counteract subsequent changes. Since the repost is not made by the original author, it can not be edited by him and will always preserve an unaltered copy of his initial contribution. Thus the QFT holds the poster to his original statement. It is also used to express agreement with a previous poster's statement and validate its veracity. Other variations include "quoted for truthiness," "quoted for truthery," and "quite fucking true". QFT can also mean "quit fucking talking".-
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Elmo Mafia Scum
- Mafia Scum
- Mafia Scum
- Posts: 3047
- Joined: September 7, 2007
- Location: happy
Weiss Umwelttechnik GmbH is one of the most important producers of standard testing chambers and systems for environmental simulation worldwide. The product range comprises temperature and climate testing systems as well as test systems for simulated exposure to weather, temperature shock, corrosion and for long-time testing in various test chamber volumes. Walk-in/drive-in chambers and process-integrated plants for environmental simulation and biology are designed, produced and installed in accordance with customer specifications. Weiss Umwelttechnik is certified according to DIN EN ISO 9001.
The company was founded in 1956, during the period of reconstruction of German industry. Karl Weiss founded the Karl Weiss company in Giessen, Germany. Their field was the production of physical measuring equipment, with environmental simulation and air conditioning quickly being added as new business fields. The company grew very fast and moved from Giessen to Lindenstruth in 1963/64. Since that time, the company has permanently been increased due to new production fields. 1978 Weiss Technik became member of the Schunk Group. In 1986 Weiss Technik was separated in the business fields environmental simulation and air conditioning technology which was an important event in the company's history. Weiss Klimatechnik GmbH and Weiss Umwelttechnik GmbH were founded. In 1995 Vötsch Industrietechnik in Balingen was acquired from Heraeus in Hanau. Since that time Weiss expanded internationally. In 2006 the Weiss Group comprises 8 subsidiaries and approx. 35 agencies world-wide.Succinctness is pro-town.
Passion is inversely proportional to the amount of real information available. ~ Gregory Benford-
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somestrangeflea Mafia Scum
- Mafia Scum
- Mafia Scum
- Posts: 1783
- Joined: June 20, 2007
- Location: Location, Location
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Thin_Man Goon
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Mastermind of Sin Cassandra Complex
- Cassandra Complex
- Cassandra Complex
- Posts: 15163
- Joined: October 30, 2004
- Location: Sleeping with the Godfather's Daughter
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spurgistan Goon
- Goon
- Goon
- Posts: 275
- Joined: June 3, 2007
- Location: Wormtown, MA
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Elmo Mafia Scum
- Mafia Scum
- Mafia Scum
- Posts: 3047
- Joined: September 7, 2007
- Location: happy
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spurgistan
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Cephrir he/himSurvivorhe/him
- Survivor
- Survivor
- Posts: 25304
- Joined: October 11, 2006
- Pronoun: he/him
- Location: Seattle-ish
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Elmo Mafia Scum
- Mafia Scum
- Mafia Scum
- Posts: 3047
- Joined: September 7, 2007
- Location: happy
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Thin_Man Goon
- Goon
- Goon
- Posts: 199
- Joined: August 19, 2007
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spurgistan Goon
- Goon
- Goon
- Posts: 275
- Joined: June 3, 2007
- Location: Wormtown, MA
Cute. However, I, like everybody else here, is rather blissfully ignorant of you, as you've only posted 5 times despite being here a month.Thin_Man wrote:
retarded children are happy too, but like you, it is only via ignorance of their surroundings.Elmo wrote:We could lynch Thin_Man now.
That would make me happy.-
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Thin_Man Goon
- Goon
- Goon
- Posts: 199
- Joined: August 19, 2007
I expect you to be blissfully ignorant of me, and I don't pretend that the blissful ignorance is a bad thing, as it is by no means your own fault.spurgistan wrote:
Cute. However, I, like everybody else here, is rather blissfully ignorant of you, as you've only posted 5 times despite being here a month.Thin_Man wrote:
retarded children are happy too, but like you, it is only via ignorance of their surroundings.Elmo wrote:We could lynch Thin_Man now.
That would make me happy.-
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Shanba So win
- So win
- So win
- Posts: 4072
- Joined: January 3, 2007
- Location: Up a Tree
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