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A Schmidt–Pechan prism is a type of optical prism used to rotate an image by 180°. These prisms are commonly used in binoculars as an image erecting system. The Schmidt–Pechan prism makes use of a roof prism section (from the German: "Dachkante", lit. roof edge ). Binoculars designs using Schmidt–Pechan prisms can be constructed more ...
The first and biggest obstacle the band faced was a lack of songwriting within the lineup. Jim Vallance, under the pseudonym "Rodney Higgs", was the original and principal songwriter for Prism. But after the first album, he withdrew from the band and only provided token contributions. The role of principal songwriter was then left to Lindsay ...
Deck prism. A deck prism, or bullseye, is a prism inserted into the deck of a ship to provide light down below. [1] [2] [3] For centuries, sailing ships used deck prisms to provide a safe source of natural sunlight to illuminate areas below decks. Before electricity, light below a vessel's deck was provided by candles, oil and kerosene lamps ...
Amici prism. An Amici prism, named for the astronomer Giovanni Battista Amici, is a type of compound dispersive prism used in spectrometers. The Amici prism consists of two triangular prisms in contact, with the first typically being made from a medium-dispersion crown glass, and the second from a higher-dispersion flint glass.
The concept of extinctive prescription has mixed usage in international law, where it refers to the expiration of the right of a State to pursue claims if it fails to make an initial pursuit within a certain time-frame of the initial incident occurring. [4] Some treaties specifically include it, while others specifically exempt themselves from it.
Pressure prism. A pressure prism is a way of visually describing the variation of hydrostatic pressure within a volume of fluid. When variables of fluid density, depth, gravity, and other forces such as atmospheric pressure are charted, the resulting figure somewhat resembles a prism .
The simplest compound prism is a doublet, consisting of two elements in contact, as shown in the figure at right. A ray of light passing through the prism is refracted at the first air-glass interface, again at the interface between the two glasses, and a final time at the exiting glass-air interface. The deviation angle of the ray is given by ...
Wahida Prism Khan (born 1972) is an Indian naval surgeon. She was the first woman to command the annual parade at the Armed Forces Medical College , Pune in 2006. She was the first woman from Jammu and Kashmir to join the Indian Navy .