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Porro prisms are most often used in pairs, forming a double Porro prism. A second prism rotated 90° with respect to the first, is placed such that light will traverse both prisms. The net effect of the prism system is a beam parallel to but displaced from its original direction, with the image rotated 180°. A double Porro system provides four ...
Time base correction (TBC) is a technique to reduce or eliminate errors caused by mechanical instability present in analog recordings on mechanical media. Without time base correction, a signal from a videotape recorder (VTR) or videocassette recorder (VCR), cannot be mixed with other, more time-stable devices found in television studios and ...
The Pirate Bay founders stated that the profits from the sale would be placed in an offshore account where it would be used to fund projects pertaining to "freedom of speech, freedom of information, and the openness of the Internet".
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 ...
—Alan di Perna, in Guitar World, May 2006 Rolling Stone critic Alan di Perna praised Gilmour's guitar work as integral to Pink Floyd's sound, and described him as the most important guitarist of the 1970s, "the missing link between Hendrix and Van Halen ". Rolling Stone named him the 14th greatest guitarist of all time. In 2006, Gilmour said of his technique: "[My] fingers make a distinctive ...
Human penis. In human anatomy, the penis ( / ˈpiːnɪs /; pl.: penises or penes; from the Latin pēnis, initially "tail" [1]) is an external male sex organ ( intromittent organ) that additionally serves as the urinary duct. The main parts are the root, body, the epithelium of the penis including the shaft skin, and the foreskin covering the glans.
The Prohibition era was the period from 1920 to 1933 when the United States prohibited the production, importation, transportation and sale of alcoholic beverages. [1] The alcohol industry was curtailed by a succession of state legislatures, and Prohibition was formally introduced nationwide under the Eighteenth Amendment to the United States ...
Steam is a video game digital distribution service and storefront developed by Valve Corporation. It was launched as a software client in September 2003 to provide game updates automatically for Valve's games, and expanded to distributing third-party titles in late 2005. Steam offers various features, like game server matchmaking with Valve ...