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The Black Star of Queensland, also known as the Brimstone of Queensland, named after its nature and place of origin, is a 733-carat (146.6 g) black sapphire, and was the world's largest gem quality star sapphire until The Star of Adam was discovered. The Black Star sapphire is an oval-shaped gemstone cut as a cabochon like all other star sapphires.
Sapphire Energy was founded in 2007. As of February 2014, Sapphire Energy employed over 150 employees. The company is headquartered in San Diego, Calif., and has an engineering office in Orange County, Calif. and a Research and Development facility in Las Cruces, NM. In addition, the company's Green Crude Farm, the world's first commercial ...
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Sapphire is a saturated shade of blue, referring to the gemstone of the same name. Sapphire gems most commonly occur in a range of blue shades , although they can come in many different colors. Other names for variations of the color sapphire are blue sapphire or sapphire blue , shown below.
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Ti:sapphire lasers (also known as Ti:Al 2 O 3 lasers, titanium-sapphire lasers, or Ti:sapphs) are tunable lasers which emit red and near-infrared light in the range from 650 to 1100 nanometers. These lasers are mainly used in scientific research because of their tunability and their ability to generate ultrashort pulses thanks to its broad ...
Category. The World Wide Web ("WWW", "W3" or simply "the Web") is a global information medium that users can access via computers connected to the Internet. The term is often mistakenly used as a synonym for the Internet, but the Web is a service that operates over the Internet, just as email and Usenet do.
Wikipedia Portals. Portals complement main topics in Wikipedia, and expand upon topics by introducing the reader to key articles, images, and categories that further describe the subject and its related topics. Portals also assist in helping editors to find related projects and things they can do to improve Wikipedia, and provide a unique way ...