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  2. Portal (series) - Wikipedia

    en.wikipedia.org/wiki/Portal_(series)

    Portal is a series of first-person puzzle-platform video games developed by Valve.Set in the Half-Life universe, the two main games in the series, Portal (2007) and Portal 2 (2011), center on a woman, Chell, forced to undergo a series of tests within the Aperture Science Enrichment Center by a malicious artificial intelligence, GLaDOS, that controls the facility.

  3. Portal (video game) - Wikipedia

    en.wikipedia.org/wiki/Portal_(video_game)

    Portal. (video game) Portal is a 2007 puzzle - platform game developed and published by Valve. It was released in a bundle, The Orange Box, for Windows, Xbox 360 and PlayStation 3, and has been since ported to other systems, including Mac OS X, Linux, Android (via Nvidia Shield ), and Nintendo Switch .

  4. Portal, Arizona - Wikipedia

    en.wikipedia.org/wiki/Portal,_Arizona

    GNIS feature ID. 9657 [1] Portal is an unincorporated community in Cochise County, Arizona, United States. It lies 25 miles (40 km) south-southeast of San Simon and at the mouth of Cave Creek Canyon on the east side of the Chiricahua Mountains. Often called the Yosemite of Arizona, the rock walled canyon is composed of fused volcanic tuff.

  5. Portal:Christianity - Wikipedia

    en.wikipedia.org/wiki/Portal:Christianity

    Portal. : Christianity. Christianity ( / krɪstʃiˈænɪti / or / krɪstiˈænɪti /) is an Abrahamic monotheistic religion based on the life and teachings of Jesus Christ. It is the world's largest and most widespread religion with roughly 2.4 billion followers, comprising around 31.2% of the world population. Its adherents, known as ...

  6. Portal (architecture) - Wikipedia

    en.wikipedia.org/wiki/Portal_(architecture)

    Portal (architecture) A portal is an opening in a wall of a building, gate or fortification, especially a grand entrance to an important structure. [1] [page needed] 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 ...

  7. Portal:Music - Wikipedia

    en.wikipedia.org/wiki/Portal:Music

    The Music Portal. Grooved side of the Voyager Golden Record launched along the Voyager probes to space, which feature music from around the world. Music is the arrangement of sound to create some combination of form, harmony, melody, rhythm, or otherwise expressive content. However, definitions of music vary depending on culture, though it is ...

  8. Portal:Physics - Wikipedia

    en.wikipedia.org/wiki/Portal:Physics

    The Physics Portal. Physics is the natural science of matter, involving the study of matter, its fundamental constituents, its motion and behavior through space and time, and the related entities of energy and force. Physics is one of the most fundamental scientific disciplines, with its main goal being to understand how the universe behaves.

  9. Portal:Russia - Wikipedia

    en.wikipedia.org/wiki/Portal:Russia

    Welcome to The Russia Portal. Russia, or the Russian Federation, is a country spanning Eastern Europe and North Asia. It is the largest country in the world by area, extending across eleven time zones and sharing land borders with fourteen countries. It is the world's ninth-most populous country and Europe's most populous country. Russia is a ...