Transparency and translucency
In the field of optics, transparency (also called pellucidity or diaphaneity) is the physical property of allowing light to pass through the material without being scattered. On a macroscopic scale (o...
Transparency and translucency - Wikipedia
Giant 910 carat diamond found in Lesotho
One of the world's largest diamonds has been found in Letseng mine in Lesotho, a small country surrounded by South Africa. The diamond was found by UK mining company Gem Diamonds and could be worth up...
1,109-carat diamond sells for 53 million dollars
1,109-carat diamond found in Botswana has sold for a whopping 53 million dollars at Sotheby’s
Most EXPENSIVE Diamonds In The World!
Check out the most expensive diamonds in the world! You won't believe how much money the rare and valuable jewelry stones on this top list are worth! Subscribe For New Videos! http://goo.gl/UIzLeB ...
Diamonds are neither rare, nor valuable.
Diamonds are neither rare, nor valuable.
PragerU - There's nothing scientific about demonizing...
There's nothing scientific about demonizing carbon dioxide.
Kim Kardashian robbery: How do you sell high-profile diamonds? - BBC News
Kim Kardashian's robbers made off with $10 million worth of jewels, but how easy is it to sell on diamonds belonging to one of the world's most famous people?
Scientists find a way to convert Carbon Dioxide from air into fuel
Researchers have discovered a process that takes Carbon Dioxide (CO2) from the air and converts it into methanol (CH3OH) with the help of a homogeneous catalyst.
New Form of Carbon Is Harder than Diamonds
A new form of solid carbon, called Q-carbon, was discovered which allows production of diamond-related structures at room temperature and at ambient atmospheric pressure in air. Graphite and diamonds ...
Researchers Find New Phase Of Carbon, Make Diamond At Room Temperature
Researchers from North Carolina State University have discovered a new phase of solid carbon, called Q-carbon, which is distinct from the known phases of graphite and diamond. They have also developed...
Scientists make room-temperature diamonds
Most diamonds are made under unique conditions -- natural or man-made -- involving extreme heat and pressure. But researchers at North Carolina State University have discovered a new diamond-like phas...
World’s Second-Largest Diamond Unearthed in Botswana
If diamonds are a girl's best friend, this one is her BFF. The second-largest gem-quality diamond known to man has been discovered in Botswana, Vancouver Lucara Diamond Corporation announced today. ...
Is the Deep Earth churning out diamonds?
Diamonds may not be quite as rare as you think, scientists report. “Diamond formation in the deep Earth—the very deep Earth—may be a more common process than we thought,” says Johns Hopkins Universit...
Assassinations, Curses, and Stolen Jewels: The 'Blue Diamond Affair' Is Still Darkening Saudi-Thai Relations
Some 25 years ago, a lowly Thai gardener found himself working in a grand palace in Saudi Arabia, half way across the world from his home village. Kriangkrai Techamong mainly tended the lush palace gr...
Diamonds Could Help Detect Early Stage Cancers, University Of Sydney Researchers Say
Diamonds could play a vital role in helping to detect cancers in their earliest stages, new research shows. Physicists from the University of Sydney have devised a way to make nanoscale, synthetic dia...
Mini Carbon-Capturing Motors May Help Lower Carbon Dioxide Levels In The Oceans
To help address the growing problem of water pollution, a group of scientists have created tiny motors that can rapidly remove carbon dioxide from the water. Researchers have developed carbon-capturin...
Star of Asia
The Star of Asia is a large, 330 carat cabochon-cut star sapphire currently located at the Smithsonian National Museum of Natural History. The stone originates from the Mogok mines of Burma. The gem...
Star of Asia - Wikipedia
Pyroelectric fusion
Pyroelectric fusion refers to the technique of using pyroelectric crystals to generate high strength electrostatic fields to accelerate deuterium ions (tritium might also be used someday) into a metal...
Negative index metamaterials
Negative index metamaterial or negative index material (NIM) is a metamaterial where the refractive index for an electromagnetic wave can be determined and has a negative value over some frequency ran...
Negative index metamaterials - Wikipedia
Blackdamp
Blackdamp (also known as stythe or choke damp) is an asphyxiant, reducing the available oxygen content of air to a level incapable of sustaining human or animal life. It is not a single gas but a mix...
Blackdamp - Wikipedia
Potassium cyanate
Potassium cyanate is an inorganic compound with the formula KOCN (sometimes denoted KCNO). It is a colourless solid. It is used to prepare many other compounds including useful herbicide. Worldwide ...
Potassium cyanate - Wikipedia
Nd:GdVO4
Nd:GdVO4 is one of the active laser medium for diode laser-pumped solid-state lasers. Several advantages over Nd:YAG crystals include a larger emission cross-section, a pump power threshold, a wider a...
Tiffany Yellow Diamond
The Tiffany Yellow Diamond is one of the largest yellow diamonds ever discovered; its carat weight is 287.42 carats (57.484 g) in the rough when discovered in 1878 in the Kimberley mine in South Afric...
Tiffany Yellow Diamond - Wikipedia
Yarrie mine
The Yarrie mine is an iron ore mine located in the Pilbara region of Western Australia, 90 kilometres north-east of Marble Bar.The mine is majority-owned (85 percent) and operated by BHP Billiton, and...
Diamond
In mineralogy, diamond (/daɪ(ə)mənd/; from the ancient Greek ἀδάμας – adámas "unbreakable") is a metastable allotrope of carbon, where the carbon atoms are arranged in a variation of the face-centered...
Millennium Star
The Millennium Star is a diamond owned by De Beers. At 203.04 carats (40.608 g), it is the world's second largest known top-color (grade D, ie. colourless), internally and externally flawles...
Passive matrix addressing
Passive matrix addressing is an addressing scheme used in early LCD displays. This is a matrix addressing scheme meaning that only m + n control signals are required to address a m ...
The World’s Nitrogen Fixation, Explained
Yale University scientists may have cracked a part of the chemical code for one of the most basic, yet mysterious, processes in the natural world — nature’s ability to transform nitrogen from the air ...
It Takes A Lot But They Aren't Indistructible - Burning a Diamond-Video
Diamonds—they may be forever, but they're not indestructible. Although, as demonstrated by Dr. Peter Wothers in the video below, it does take an awful lot to make them burn. Purely consisting of repet...