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Articles, tagged with "refractive index", page 1

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Buying Real Dichroic Pink Tourmalines and Knowing the Difference

06th May 2011
How would you know if the pink tourmaline you are about to buy is genuine or not? It is understandable to be wary of the originality of something we are about to buy. More so, if that thing can be as precious as jewelry items or gemstones. Tourmaline ston... Read >
Author: LindaKinyo

Jewellery buyers Long Island the famous shiny land

15th April 2011
Long Island is one of the hot spots where you can find the best trading of jewellery for various purposes. The jewellery largely bought in long island is that of diamonds, gemstones, gold, silver and platinum. Some of the prominently used stones are Am... Read >
Author: nicolelance05

Origins of London Blue Topaz

04th September 2009
It can be as blue as the sky, a slightly greenish blue, or a highly saturated "electric" blue. Whatever its shade, Blue Topaz has a place in beautiful jewelry and intriguing legends. Blue Topaz is a quartz crystal, and like most topazes, starts out as ... Read >
Author: John Brana

How does an Optical Fiber Work?

27th June 2009
A fiber optic cable is a glass tube which acts as a medium for transferring information (digital data) between a source and destination. Until 1970's data transmission as in telephone was carried out by copper cables. A copper wire uses free electrons to ... Read >
Author: Gren Treee

Duct propagation

02nd September 2007
In troposphere under normal conditions the air pressure water vapor pressure and temperature reduces with the increase of height above earth. As a result of this the refractive index also reduces with the increase of height. In standard atmosphere the mod... Read >
Author: Robert Palmer
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