High-definition videoHigh-definition video (HD video) is video of higher resolution and quality than standard-definition. While there is no standardized meaning for high-definition, generally any video image with considerably more than 480 vertical scan lines (North America) or 576 vertical lines (Europe) is considered high-definition. 480 scan lines is generally the minimum even though the majority of systems greatly exceed that. Images of standard resolution captured at rates faster than normal (60 frames/second North America, 50 fps Europe), by a high-speed camera may be considered high-definition in some contexts.
Ultra-high-definition televisionUltra-high-definition television (also known as Ultra HD television, Ultra HD, UHDTV, UHD and Super Hi-Vision) today includes 4K UHD and 8K UHD, which are two digital video formats with an of 16:9. These were first proposed by NHK Science & Technology Research Laboratories and later defined and approved by the International Telecommunication Union (ITU). The Consumer Electronics Association announced on October 17, 2012, that "Ultra High Definition", or "Ultra HD", would be used for displays that have an aspect ratio of 16:9 or wider and at least one digital input capable of carrying and presenting native video at a minimum resolution of .
High-definition televisionHigh-definition television (HD or HDTV) describes a television system which provides a substantially higher than the previous generation of technologies. The term has been used since 1936; in more recent times, it refers to the generation following standard-definition television (SDTV), often abbreviated to HDTV or HD-TV. It is the current de facto standard video format used in most broadcasts: terrestrial broadcast television, cable television, satellite television and Blu-ray Discs.
MatA mat is a hard floor covering that generally is placed on a floor or other flat surface. Mats serve a range of purposes including: serving to clean items passed over it, such as a doormat, which removes dirt from the soles of shoes protecting that which is above the mat, such as a wrestling or gymnastics mat, or an anti-vibration mat protecting that which is beneath the mat, such as a place mat or the matting used in archival framing and preservation of documents and paintings providing a regular or flat surface, such as a cushioned computer mousepad In homes or rooms where people sit predominantly on the floor (common in Japan, Korea, India, and formerly China), mats may cover entire rooms, or be used in certain areas for sitting or sleeping.
NK Lokomotiva ZagrebNogometni klub Lokomotiva Zagreb (Lokomotiva Zagreb Football Club), commonly known as Lokomotiva Zagreb or simply Lokomotiva, is a Croatian professional football club based in Zagreb. It competes in the Croatian First Football League, the country's top division. Founded in 1914, the club's only period of success came in the late 1940s and early 1950s before spending most of the following five decades in lower-level leagues. Between 2007 and 2009 they won three consecutive promotions to rise from the fourth level to the first in the Croatian football league system.
Science, technology, engineering, and mathematicsScience, technology, engineering, and mathematics (STEM) is an umbrella term used to group together the distinct but related technical disciplines of science, technology, engineering, and mathematics. The term is typically used in the context of education policy or curriculum choices in schools. It has implications for workforce development, national security concerns (as a shortage of STEM-educated citizens can reduce effectiveness in this area) and immigration policy, with regard to admitting foreign students and tech workers.
Diagonalizable matrixIn linear algebra, a square matrix is called diagonalizable or non-defective if it is similar to a diagonal matrix, i.e., if there exists an invertible matrix and a diagonal matrix such that , or equivalently . (Such , are not unique.) For a finite-dimensional vector space , a linear map is called diagonalizable if there exists an ordered basis of consisting of eigenvectors of .
RAF GrangemouthRoyal Air Force Grangemouth or more simply RAF Grangemouth is a former Royal Air Force station located north east of Falkirk, Stirlingshire, Scotland. It was opened as the Central Scotland Airport in May 1939 and operated as a Civilian Air Navigation School (CANS) until early September 1939. After the war it was used as Gliding School until 1946. It was then used by RAF Maintenance Command until its closure in June 1955.
La Lanzada BeachThe La Lanzada beach (Praia da Lanzada) is one of the most famous beaches in Galicia (Spain). It is located in the municipalities of O Grove and Sanxenxo in the province of Pontevedra. The blue flag has been flying there for a long time. It is located on the southwestern side of the isthmus that connects the O Grove peninsula to the mainland. It is located near the entrance to the ria of Pontevedra and the northern end of the isthmus borders the mouth of the ria of Arosa.
NK KarlovacNK Karlovac 1919 is a Croatian football club based in the town of Karlovac. Karlovac plays their home matches at Stadion Branko Čavlović-Čavlek. Traditionally lower-level minnows, the club's most successful period in the Yugoslav football league system was in the 1970s when they competed in the Yugoslav Second League. After the breakup of Yugoslavia and the formation of the Croatian football league system in 1992 Karlovac spent most of the time playing in Druga HNL and Treća HNL, second and third levels.
Pinoy Big Brother: Kumunity Season 10Pinoy Big Brother: Kumunity Season 10, also known as Pinoy Big Brother Season 10, is the tenth main and sixteenth overall season of the Philippine reality television series, Pinoy Big Brother. The season, which premiered on October 16, 2021, was the second to partner with the social-media app Kumu; "Kumunity" is a portmanteau of "Kumu" and "community". The season revolves around three groups (known as "batches") of housemates, representing three Kumunities: celebrities, adults and teens.