Culture (disambiguation)

Culture may refer to:

Science

Biological cultures

Microbiological culture

A microbiological culture, or microbial culture, is a method of multiplying microbial organisms by letting them reproduce in predetermined culture media under controlled laboratory conditions. Microbial cultures are used to determine the type of organism, its abundance in the sample being tested, or both. It is one of the primary diagnostic methods of microbiology and used as a tool to determine the cause of infectious disease by letting the agent multiply in a predetermined medium. For example, a throat culture is taken by scraping the lining of tissue in the back of the throat and blotting the sample into a medium to be able to screen for harmful microorganisms, such as Streptococcus pyogenes, the causative agent of strep throat. Furthermore, the term culture is more generally used informally to refer to "selectively growing" a specific kind of microorganism in the lab.

Microbial cultures are foundational and basic diagnostic methods used extensively as a research tool in molecular biology. It is often essential to isolate a pure culture of microorganisms. A pure (or axenic) culture is a population of cells or multicellular organisms growing in the absence of other species or types. A pure culture may originate from a single cell or single organism, in which case the cells are genetic clones of one another.

The Culture

The Culture is a fictional interstellar anarchist utopian society created by the Scottish writer Iain M. Banks, which features in a number of his space opera novels and works of short fiction, collectively called the Culture series.

In the series, the Culture is composed of several inter-bred humanoid species, as well as machines with intelligences ranging from basic computers, to human-equivalent drones, to superintelligent artificial intelligences called Minds. The Culture's economy is maintained automatically by its non-sentient machines, with high-level work entrusted to the Minds' subroutines, which allows its humanoid and drone citizens to indulge their passions, romances, hobbies, or other activities, without servitude. Many of the series' protagonists are humanoids who choose to work for the Culture's elite diplomatic or espionage organisations, and interact with other civilisations whose citizens hold wildly different ideologies, morals, and technologies.

The Culture has a grasp of technology which is advanced relative to most of the other civilisations which share the galaxy. There are a few Elder civilizations far more advanced than the Culture, but they tend to keep to themselves. Other civilizations have "Sublimed," or transitioned to some unknowable higher dimension or state of existence and have apparently lost interest in the mundane goings on of more corporeal beings. Most of the Culture's citizens do not live on planets but in or on artificial habitats, such as huge orbitals, or on ships, the largest of which are home to billions of individuals. Biologically, the Culture's citizens have been genetically enhanced to live for centuries, and have modified mental control over their physiology, including the ability to introduce a variety of psychoactive drugs into their systems, change gender, or switch off pain.

Portal

Portal may refer to:

Computing

Gateways to information

Other

Entertainment

Portal (interactive novel)

Portal is a mix between a computerized novel and an interactive game. It was published for the Amiga in 1986 by Activision, written by Rob Swigart, produced by Brad Fregger, and programmed by Nexa Corporation. Versions for the Commodore 64, Apple II, and DOS were later released. Versions for the Macintosh and Atari ST were announced and developed, but never formally released. A unique game for its time, Portal was one part text-driven adventure (à la Zork or Planetfall) but with a graphical interface. It is unrelated to the game Portal (2007) by Valve Corporation.

Setting

The player, taking on the role of the unnamed astronaut protagonist, returns from a failed 100-year voyage to 61 Cygni to find the Earth devoid of humans. Cars are rusted and covered with moss, the streets are completely barren and everything appears as though the entire human race had just vanished suddenly. The player happens upon a barely functioning computer terminal that is tied into a storytelling mainframe, Homer. Through this interface, the player, assisted by Homer who attempts to weave the information into a coherent narrative, discovers information in order to piece together the occurrences leading to the disappearance of the human race. For instance, spending some time in the Medical Records section may unlock a piece of data in the Science section, and through these links the player can finish the game.

Portal (architecture)

A portal is an opening in a wall of a building, gate or fortification, especially a grand entrance to an important structure.doors, metal gates or portcullis in the opening can be used to control entry or exit. The surface surrounding the opening may be made of simple building materials or decorated with ornamentation. The elements of a portal can include the voussoir, tympanum, an ornamented mullion or trumeau between doors, and columns with carvings of saints in the westwork of a church.

Examples

Baroque portal of a private Palace in Brescia

Baroque portal of a private Palace in Brescia

Portal of the Church of São Martinho de Cedofeita, with nested arches

Portal of the Church of São Martinho de Cedofeita, with nested arches

Gothic portal of the cathedral of Metz

Gothic portal of the cathedral of Metz

Portal of the church in Hronský Beňadik

Portal of the church in Hronský Beňadik

Other uses

The term portal is also applied to the ends of a tunnel.