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Negative refraction. Negative refraction is the electromagnetic phenomenon where light rays become refracted at an interface that is opposite to their more commonly observed positive refractive properties. Negative refraction can be obtained by using a metamaterial which has been designed to achieve a negative value for (electric) permittivity ...
In some people, the external optics may have the greater influence, and in other people, the internal optics may predominate. Importantly, the axes and magnitudes of external and internal astigmatism do not necessarily coincide, but it is the combination of the two that by definition determines the overall optics of the eye.
The old Bureau of Corrections Logo. The logo of the bureau represents the government agency's mandate, the rehabilitation of inmate. The logo focuses on the man in prison as the main concern of rehabilitation. It presents man behind bars, but who looks outwards with the hope of rejoining the free community.
Sennacherib's Annals are the annals of the Assyrian king Sennacherib.They are found inscribed on a number of artifacts, and the final versions were found in three clay prisms inscribed with the same text: the Taylor Prism is in the British Museum, the Oriental Institute Prism in the Oriental Institute of Chicago, and the Jerusalem Prism is in the Israel Museum in Jerusalem.
Strabismus surgery is a one-day procedure that is usually performed under general anesthesia most commonly by either a neuro- or pediatric ophthalmologist. [1] The patient spends only a few hours in the hospital with minimal preoperative preparation. After surgery, the patient should expect soreness and redness but is generally free to return home.
Pictures at an Exhibition is a piano suite in ten movements, plus a recurring and varied Promenade theme, written in 1874 by Russian composer Modest Mussorgsky. It is a musical depiction of a tour of an exhibition of works by architect and painter Viktor Hartmann put on at the Imperial Academy of Arts in Saint Petersburg , following his sudden ...
Triangular bipyramid. In geometry, a triangular prism or trigonal prism [1] is a prism with 2 triangular bases. If the edges pair with each triangle's vertex and if they are perpendicular to the base, it is a right triangular prism. A right triangular prism may be both semiregular and uniform . The triangular prism can be used in constructing ...
Harris County Juvenile Detention Center, Houston, Texas In criminal justice systems, a youth detention center, known as a juvenile detention center (JDC), juvenile detention, juvenile jail, juvenile hall, or more colloquially as juvie/juvy or the Juvey Joint, also sometimes referred to as observation home or remand home is a prison for people under the age of majority, to which they have been ...