They are coated. These fractures are coated with organic materials.

Optical images of observations were originally drawn by hand.

Interactive tool to study and simulate optic assemblies

The stop limits the effect of optical aberrations.

Opsonin receptors increase the phagocytosis of bacteria that have been coated with immunoglobulin G (IgG) antibodies or with complement.

And using both this technique and other optical techniques, we think we can make those diagnostics.

You can imagine that then maybe you can use a pure protein to guide light, and so we've made optical fibers.

WF PC was a high resolution imaging device primarily intended for optical observations.

These borides are an alternative to diamond coated tools, and their (treated) surfaces have similar properties to those of the bulk boride.

About that time, the houses in the city were two storied villas with 13 or 14 rooms, with plastered interior walls.

Optical configurations There are two basic configurations of the conventional optical microscope the simple microscope and the compound microscope.

In 1898 he started as a student of Frankland financed by a Forster Scholarship his work concerned optical properties of tartaric acid compounds.

Despite this the development committee decided to keep the same name but switch to the British English spelling fibre for the standard.

The rear lights incorporate the design as in those of the sedan, but were adapted to the different shape of the body.

Op art, also known as optical art, is a style of visual art that makes use of optical illusions.

Intermediate members The intermediate members of the plagioclase group are very similar to each other and normally cannot be distinguished except by their optical properties.

Many mechanical, electrical, magnetic, optical and chemical properties of solids are the direct consequence of Pauli exclusion.

Left hand reverse (LHR) Standing outside the house (or on the less secure side), the hinges are on the left, knob on right, on opening the door it swings towards you (i.e.

The full IEEE 1394b specification supports data rates up to 3200 Mbit s (i.e., 400 megabytes s) over beta mode or optical connections up to in length.

One test showed that optical fibers could provide video and audio links between the flight deck and the payload bay.

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When construction was finished, the porous sandstone walls were whitewashed with a mixture of lime, rice glue, casein, and lead, giving the house its familiar color and name.

Nonetheless, during the first three years of the Hubble mission, before the optical corrections, the telescope still carried out a large number of productive observations of less demanding targets.

The latter led to levitating and positioning clouds of atoms or even small biological samples in an optical trap or optical tweezers by laser beam.

The refractive index of a medium is calculated by dividing the speed of light in a vacuum by the speed of light in that medium.

And finally, I'll give you one last example of free perhaps the most powerful of all. I mentioned fiber optics their abundance tends to make things free.

technical progress , changes in the most relevant harmonised European standards or international specifications , and new scientific findings concerning occupational exposure to optical radiation .

Speculation about life on Mars increased in the late 19th century, following telescopic observation of apparent Martian canal which soon, however, turned out to be optical illusions.

In the visible bands, adaptive optics can only correct a relatively small field of view, whereas HST can conduct high resolution optical imaging over a wide field.

Moreover, the FDA s approval of polymer based local chemotherapy created a new paradigm in the drug delivery field, helping to pave the way for drug eluting stents and other local delivery systems.

In 1962, Richard Williams of RCA found that liquid crystals had some interesting electro optic characteristics and he realized an electro optical effect by generating stripe patterns in a thin layer of liquid crystal material by the application of a voltage.

Each county of Lithuania has adopted a flag, each of them conforming to a pattern a blue rectangle, with ten instances of the Cross of Vytis (double cross or) appearing in gold, acts as a fringe to the central feature of the flag, which is chosen by the county itself.

While in principle a simple convex lens will suffice, in practice a compound lens made up of a number of optical lens elements is required to correct (as much as possible) the many optical aberrations that arise.

Free is something that comes with digital, because the reproduction costs are essentially free. It comes with IP, because it's such an efficient protocol. It comes with fiber optics, because there's so much bandwidth.

Even before Hubble was launched, specialized ground based techniques such as aperture masking interferometry had obtained higher resolution optical and infrared images than Hubble would achieve, though restricted to targets about 108 times brighter than the faintest targets observed by Hubble.

Digital encyclopaedias on optical media The most notable competitor of the Britannica among CD DVD ROM digital encyclopaedias was Encarta , now discontinued, a modern, multimedia encyclopaedia that incorporated three print encyclopaedias Funk Wagnalls , Collier's and the New Merit Scholar's Encyclopedia .

It is a network of networks that consists of millions of private, public, academic, business, and government networks of local to global scope, linked by a broad array of electronic, wireless, and optical networking technologies.

Other discoveries made with Hubble data include proto planetary disks (proplyds) in the Orion Nebula evidence for the presence of extrasolar planets around Sun like stars and the optical counterparts of the still mysterious gamma ray bursts.

Secondary payloads were Space Station Heat Pipe Advanced Radiator Element II (SHARE II) Shuttle Solar Backscatter Ultra Violet (SSBUV) instrument Tank Pressure Control Equipment (TPCE) and Optical Communications Through Windows (OCTW).

It might be that some massive network of communications, or some shield against asteroidal impact, or some huge astro engineering project that we can't even begin to conceive of, could generate signals at radio or optical frequencies that a determined program of searching might detect.

Once Hubble's corrective optics were shown to be performing well, Robert Williams, the then director of the Space Telescope Science Institute, decided to devote a substantial fraction of his DD time during 1995 to the study of distant galaxies.

Cognitive processes hypothesis The hypothesis claims that visual illusions occur because the neural circuitry in our visual system evolves, by neural learning, to a system that makes very efficient interpretations of usual 3D scenes based in the emergence of simplified models in our brain that speed up the interpretation process but give rise to optical illusions in unusual situations.

Ultracold plasma Ultracold plasmas are created in a magneto optical trap (MOT) by trapping and cooling neutral atoms, to temperatures of 1 mK or lower, and then using another laser to ionize the atoms by giving each of the outermost electrons just enough energy to escape the electrical attraction of its parent ion.