Optical materials
Optical Materials is a peer-reviewed scientific journal that publishes original papers and review articles on the design, synthesis, characterisation and applications of materials, suitable for variou...
Optical materials - Wikipedia
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 ...
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
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...
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.
This Day In History-1905 World’s Largest Diamond Found
On January 25, 1905, at the Premier Mine in Pretoria, South Africa, a 3,106-carat diamond is discovered during a routine inspection by the mine’s superintendent. Weighing 1.33 pounds, and christened t...
Diamonds Used To 'Probe' Ancient Earth
Diamonds found in Johannesburg more than 80 years ago reveal how the ancient Earth was shaped. Diamonds dug up from ancient rock formations in the Johannesburg area, between 1890 and 1930 – before the...
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...
Transparent materials
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...
Transparent materials - Wikipedia
Glass
Glass is an amorphous (non-crystalline) solid material which is often transparent and has widespread practical, technological, and decorative usage in things like window panes, tableware, and optoelec...
Glass - Wikipedia
Active laser medium
The active laser medium (also called gain medium or lasing medium) is the source of optical gain within a laser. The gain results from the stimulated emission of electronic or molecular transitions t...
Active laser medium - Wikipedia
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
These Printable Liquid Crystal Lasers Could Be the Future of Anti-Counterfeit Technology
Printed, liquid crystal lasers could be the future of anti-fraud technology.
Cholesteryl oleyl carbonate
Cholesteryl oleyl carbonate (COC) is an organic chemical, an carbonate ester of cholesterol and oleyl alcohol with carbonic acid. It is a liquid crystal material forming cholesteric liquid crystals wi...
Cholesteryl oleyl carbonate - Wikipedia
Zenite 5145L
Liquid-crystal polymers (LCPs) are a class of aromatic polymers. They are extremely unreactive and inert, and highly resistant to fire.
Liquid crystallinity in polymers may occur either by dissol...
Chemically strengthened glass
Chemically strengthened glass is a type of glass that has increased strength as a result of a post-production chemical process. When broken, it still shatters in long pointed splinters similar to floa...
Image persistence
Image persistence, or image retention, is the LCD and plasma display equivalent of screen burn. Unlike screen burn, however, the effects are usually temporary. Plasma displays can also suffer from bur...
Image persistence - Wikipedia
Uncle Sam (diamond)
Uncle Sam is the nickname for the largest diamond ever discovered in the United States. It was found in 1924 in Murfreesboro, Arkansas at the Prairie Creek pipe mine, which later became known as the C...