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National Audio-Visual Conservation Center
The National Audio-Visual Conservation Center (NAVCC) is a branch of the Library of Congress devoted to preserving the United States' audio-visual history. It includes the Packard Campus (PCAVC), opened in 2007 to store the then entire 6.3 million piece collection of the Library's movie, television, and sound artifacts, the Center's largest facility; the Library's Motion Picture and Television Division and Recorded Sound Division reference centers on Capitol Hill; the Mary Pickford Theater; and any other Library of Congress audio-visual storage facilities that remain outside the Packard Campus audiovisual archive located inside Mount Pony in Culpeper, Virginia. Packard Campus establishment From 1969 to 1988, the original campus was a high-security storage facility operated by the Federal Reserve Board, referred to colloquially as "Mt. Pony". With the approval of the United States Congress in 1997, it was purchased by the David and Lucile Packard Foundation from the Federal Res ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Freeze-drying
Freeze drying, also known as lyophilization or cryodesiccation, is a low temperature Food drying, dehydration process that involves freezing the product and lowering pressure, thereby removing the ice by Sublimation (phase transition), sublimation. This is in contrast to dehydration by most conventional methods that evaporate water using heat. Because of the low temperature used in processing, the rehydrated product retains many of its original qualities. When solid objects like strawberries are freeze dried the original shape of the product is maintained. If the product to be dried is a liquid, as often seen in pharmaceutical applications, the properties of the final product are optimized by the combination of excipients (i.e., inactive ingredients). Primary applications of freeze drying include biological (e.g., bacteria and yeasts), biomedical (e.g., surgical transplants), food processing (e.g., coffee), and Food preservation, preservation. History The Inca were freeze dry ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
George Eastman House
The George Eastman Museum, also referred to as George Eastman House and the International Museum of Photography and Film, is a photography museum in Rochester, New York. Opened to the public in 1949, is the oldest museum dedicated to photography and one of the world's oldest film archives. Known for its collections in the fields of photography and cinema, the museum is also a leader in film preservation and photograph conservation, educating archivists and conservators from around the world. Home to the 500-seat Dryden Theatre, the museum is located on the estate of entrepreneur and philanthropist George Eastman, the founder of Eastman Kodak Company. The estate was designated a National Historic Landmark in 1966. History The Rochester estate of George Eastman (1854–1932) was bequeathed upon his death to the University of Rochester. University presidents (first Benjamin Rush Rhees, then Alan Valentine) occupied Eastman's mansion as a residence for ten years. In 1948, th ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
COVID-19 Pandemic
The COVID-19 pandemic (also known as the coronavirus pandemic and COVID pandemic), caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), began with an disease outbreak, outbreak of COVID-19 in Wuhan, China, in December 2019. Soon after, it spread to other areas of Asia, and COVID-19 pandemic by country and territory, then worldwide in early 2020. The World Health Organization (WHO) declared the outbreak a public health emergency of international concern (PHEIC) on 30 January 2020, and assessed the outbreak as having become a pandemic on 11 March. COVID-19 symptoms range from asymptomatic to deadly, but most commonly include fever, sore throat, nocturnal cough, and fatigue. Transmission of COVID-19, Transmission of the virus is often airborne transmission, through airborne particles. Mutations have variants of SARS-CoV-2, produced many strains (variants) with varying degrees of infectivity and virulence. COVID-19 vaccines were developed rapidly and deplo ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Interior Of Packard Campus Theatre (April 12, 2024)
Interior may refer to: Arts and media * ''Interior'' (Degas) (also known as ''The Rape''), painting by Edgar Degas * ''Interior'' (play), 1895 play by Belgian playwright Maurice Maeterlinck * ''The Interior'' (novel), by Lisa See * Interior design, the trade of designing an architectural interior * ''The Interior'' (Presbyterian periodical), an American Presbyterian periodical * Interior architecture, process of designing building interiors or renovating existing home interiors Places * Interior, South Dakota * Interior, Washington * Interior Township, Michigan * British Columbia Interior, commonly known as "The Interior" Government agencies * Interior ministry, sometimes called the ministry of home affairs * United States Department of the Interior Other uses * Interior (topology), mathematical concept that includes, for example, the inside of a shape * Interior FC, a football team in Gambia See also * * * List of geographic interiors * Interiors (other) * ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Art Deco
Art Deco, short for the French (), is a style of visual arts, architecture, and product design that first Art Deco in Paris, appeared in Paris in the 1910s just before World War I and flourished in the United States and Europe during the 1920s to early 1930s, through styling and design of the exterior and interior of anything from large structures to small objects, including clothing, fashion, and jewelry. Art Deco has influenced buildings from skyscrapers to cinemas, bridges, ocean liners, trains, cars, trucks, buses, furniture, and everyday objects, including radios and vacuum cleaners. The name Art Deco came into use after the 1925 (International Exhibition of Modern Decorative and Industrial Arts) held in Paris. It has its origin in the bold geometric forms of the Vienna Secession and Cubism. From the outset, Art Deco was influenced by the bright colors of Fauvism and the Ballets Russes, and the exoticized styles of art from Chinese art, China, Japanese art, Japan, Indian ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Silent Film
A silent film is a film without synchronized recorded sound (or more generally, no audible dialogue). Though silent films convey narrative and emotion visually, various plot elements (such as a setting or era) or key lines of dialogue may, when necessary, be conveyed by the use of inter- title cards. The term "silent film" is something of a misnomer, as these films were almost always accompanied by live sounds. During the silent era, which existed from the mid-1890s to the late 1920s, a pianist, theater organist—or even, in larger cities, an orchestra—would play music to accompany the films. Pianists and organists would play either from sheet music, or improvisation. Sometimes a person would even narrate the inter-title cards for the audience. Though at the time the technology to synchronize sound with the film did not exist, music was seen as an essential part of the viewing experience. "Silent film" is typically used as a historical term to describe an era of cinema p ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Organ (music)
Carol Williams performing at the West_Point_Cadet_Chapel.html" ;"title="United States Military Academy West Point Cadet Chapel">United States Military Academy West Point Cadet Chapel. In music, the organ is a keyboard instrument of one or more Pipe organ, pipe divisions or other means (generally woodwind or electronic musical instrument, electric) for producing tones. The organs have usually two or three, sometimes up to five or more, manuals for playing with the hands and a pedalboard for playing with the feet. With the use of registers, several groups of pipes can be connected to one manual. The organ has been used in various musical settings, particularly in classical music. Music written specifically for the organ is common from the Renaissance to the present day. Pipe organs, the most traditional type, operate by forcing air through pipes of varying sizes and materials, each producing a different pitch and tone. These instruments are commonly found in churches and co ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Gigabyte
The gigabyte () is a multiple of the unit byte for digital information. The SI prefix, prefix ''giga-, giga'' means 109 in the International System of Units (SI). Therefore, one gigabyte is one billion bytes. The unit symbol for the gigabyte is GB. This definition is used in all contexts of science (especially data science), engineering, business, and many areas of computing, including storage capacities of hard disk drive, hard drives, solid-state drives, and magnetic-tape data storage, tapes, as well as data transmission speeds. The term is also used in some fields of computer science and information technology to denote (10243 or 230) bytes, however, particularly for sizes of random-access memory, RAM. Thus, some usage of ''gigabyte'' has been ambiguous. To resolve this difficulty, IEC 80000-13 clarifies that a ''gigabyte'' (GB) is 109 bytes and specifies the term ''gibibyte'' (GiB) to denote 230 bytes. These differences are still readily seen, for example, when a 400 ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Petabyte
The byte is a unit of digital information that most commonly consists of eight bits. Historically, the byte was the number of bits used to encode a single character of text in a computer and for this reason it is the smallest addressable unit of memory in many computer architectures. To disambiguate arbitrarily sized bytes from the common 8-bit definition, network protocol documents such as the Internet Protocol () refer to an 8-bit byte as an octet. Those bits in an octet are usually counted with numbering from 0 to 7 or 7 to 0 depending on the bit endianness. The size of the byte has historically been hardware-dependent and no definitive standards existed that mandated the size. Sizes from 1 to 48 bits have been used. The six-bit character code was an often-used implementation in early encoding systems, and computers using six-bit and nine-bit bytes were common in the 1960s. These systems often had memory words of 12, 18, 24, 30, 36, 48, or 60 bits, corresponding to ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Western Hemisphere
The Western Hemisphere is the half of the planet Earth that lies west of the Prime Meridian (which crosses Greenwich, London, United Kingdom) and east of the 180th meridian.- The other half is called the Eastern Hemisphere. Geopolitically, the term Western Hemisphere is often used as a metonym for the Americas or the "New World", even though geographically the hemisphere also includes parts of other continents. Geography The Western Hemisphere consists of the Americas, excluding some of the Aleutian Islands to the southwest of the Alaskan mainland; the westernmost portions of Europe and Africa, both mainland and islands; the extreme eastern tip of the Russian mainland and islands ( North Asia); numerous territories in Oceania; and a large portion of Antarctica. The center of the Western Hemisphere is located in the Pacific Ocean at the intersection of the 90th meridian west and the Equator, among the Galápagos Islands. The nearest land is Genovesa Island at . The hi ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Nitrate Film
Nitrocellulose (also known as cellulose nitrate, flash paper, flash cotton, guncotton, pyroxylin and flash string, depending on form) is a highly flammable compound formed by nitration, nitrating cellulose through exposure to a mixture of nitric acid and sulfuric acid. One of its first major uses was as guncotton, a replacement for gunpowder as propellant in firearms. It was also used to replace gunpowder as a Explosive#By velocity, low-order explosive in mining and other applications. In the form of collodion, it was also a critical component in an early photographic emulsion, the use of which revolutionized photography in the 1860s. In the 20th century, it was adapted to automobile lacquer and adhesives. Production The process uses a mixture of nitric acid and sulfuric acid to convert cellulose into nitrocellulose. The quality of the cellulose is important. Hemicellulose, lignin, pentosans, and mineral salts give inferior nitrocelluloses. In organic chemistry, nitrocellulose ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
