At first, he mistakenly identified the crystals as diamonds, but in 1904 he identified the crystals as silicon carbide.

Some drugs, such as aspirin and menthol, were derived from plants but are synthesized chemically to meet economic and quality considerations.

Pure silicon crystals are very rarely found in nature.

Cohenite is found in rod like crystals in iron meteorites.

The solid phase of water is known as ice and commonly takes the structure of hard, amalgamated crystals, such as ice cubes, or loosely accumulated granular crystals, like snow.

Production Brown sugar is often produced by adding sugarcane molasses to completely refined white sugar crystals to more carefully control the ratio of molasses to sugar crystals and to reduce manufacturing costs.

Crystals in the rhombohedral lattice system are always in the trigonal crystal system, but some crystals such as quartz are in the trigonal crystal system but not in the rhombohedral lattice system.

Clinical diagnosis may be confirmed by seeing the characteristic crystals in joint fluid.

In general, oximes exist as colorless crystals and are poorly soluble in water.

After 1987, the number of research papers concerning photonic crystals began to grow exponentially.

These will be non linear crystals used to manipulate light beams into controlling others.

If a leaf is chewed, these crystals can cause a temporary burning sensation and erythema.

In mineralogy, crystal habit is the characteristic external shape of an individual crystal or groups of crystals.

In crystallography, water of crystallization or water of hydration or crystallization water is water that occurs inside crystals.

In the solid form these seeds can lead to the formation of crystallites or even large single crystals.

After looking at many different materials, he thought that liquid crystals would allow to modulate the light as planned.

Certain crystals, such as quartz, or even sugar, generate a potential difference across their faces when subjected to external pressure.

For 3 dimensional crystals, it may be necessary to combine several views, taken from different angles, into a 3D map.

In the summer of 1953, he noted yellow crystals coating sandstone at the mine which he thought might be mineralogically significant.

In 1999, Nakamura tried Polish crystals, producing lasers with twice the yield and ten times the lifetime 3,000 hours at 30 mW.

Products for industrial use (e.g., the industrial production of cakes) may be based on caster sugar which has crystals of approximately 0.35 mm.

(e) Interleucine K obtaining high quality crystals of alpha 1 and beta 1 interleucines as well as of the interleucine 1 receptor antagonist.

And why? Because the lowly abalone is able to lay down the calcium carbonate crystals in layers, making this beautiful, iridescent mother of pearl.

He shows how the appearance of crystals of the same chemical can vary greatly under differing conditions, and especially how the appearance changes with disease.

Communities close to wildlife reserves have also started cultivating mentha, a menthol oil producing plant, and chamomile, on their lands.The smell of these plants seems to keep wild animals away, and planting a field of these crops acts as a protective fence.

In 1913, Moseley observed and measured the X ray spectra of various chemical elements (mostly metals) that were found by the method of diffraction through crystals.

(a) Granada Crystallization Facility Japan Aerospace Exploration Agency (GCF JAXA) study of the formation of embryos and the growth of protein crystals under conditions of microgravity

It has the chemical formula H3BO3 (sometimes written B(OH)3), and exists in the form of colorless crystals or a white powder that dissolves in water.

In this case, the freezing is done rapidly, in order to lower the material to below its eutectic point quickly, thus avoiding the formation of ice crystals.

These are quartz crystals and feldspar, so most sand in the world on the mainland is made of quartz crystal and feldspar. It's the erosion of granite rock.

In this cave, great areas are covered by this reddish material that you see here, and also these enormous crystals of selenite that you can see dangling down.

This long heat treatment process also allows the carbon to form into larger graphite crystals, and is the major reason for the material's high cost, exceeding 100,000 per panel.

For nematic liquid crystals, there is no difference between orienting a molecule in the n direction or in the n direction, and the vector field n is then called a director field .

For example, high temperature crucibles made of iridium are used in the Czochralski process to produce oxide single crystals (such as sapphires) for use in computer memory devices and in solid state lasers.

(j) Plasma crystal 3 study of physical phenomena occurring in plasma dust crystals at different levels of inert gas pressure and the power of the high frequency generator in conditions of micro gravity

Ten times a day, they extract the 10 foot long cylinder of compressed ice crystals that contain the unsullied air and trace chemicals laid down by snow, season after season for thousands of years.

And it came down to something called gout, which, as a result of kidney breakdown is actually uric acid crystals throughout the body, and worse in the joints, which made the gharial unable to swim.

But the problem was that the gamma detectors were these huge, bulky tubes, and they were filled with these scintillating crystals, and you just couldn't get them close enough around the breast to find small tumors.

In 1914, Max von Laue of Germany won the Nobel Prize in Physics for his discovery of the diffraction of X rays by crystals, which was a crucial step towards the invention of X ray spectroscopy.

Other mentioned properties include creation of perpetually burning lamps, transmutation of common crystals into precious stones and diamonds, reviving of dead plants, creation of flexible or malleable glass, or the creation of a clone or homunculus.

In the tropics, raindrops are not formed from ice crystals, which is the case in the temperate zones, you need the trees with unclear , chemicals that come out of the leaves of the trees that initiate the raindrops.

Indeed, while people are entitled to believe in horoscopes, trust in crystals to bring good luck, or buy into quack medicine, such junk science becomes a serious threat to society when it is allowed to influence public policy.

In 1995, the cosmologist Carl Sagan expressed concern about the trend toward a society in which, clutching our crystals and religiously consulting our horoscopes, our critical faculties in steep decline we slide, almost without noticing, into superstition and darkness.

Although such techniques have yet to mature into commercial applications, two dimensional photonic crystals have found commercial use in the form of photonic crystal fibres (otherwise known as holey fibres, because of the air holes that run through them).

In the early days of photography, the nature of the invisible change in the silver halide crystals of the film's emulsion coating was unknown, so the image was said to be latent until the film was treated with photographic developer.