A comprehensive digital encyclopedia presenting factual, historical, and educational articles supported by reliable sources and structured data. Page: 16

The Fresnel equations (or Fresnel coefficients) describe the reflection and transmission of light (or electromagnetic radiation in general) when incident on an interface between different optical media. They were deduced by French engineer and physicist Augustin-Jean Fresnel (/freɪˈnɛl/) who was the…

The Uyghurs, alternatively spelled Uighurs, Uygurs or Uigurs, are a Turkic ethnic group originating from and culturally affiliated with the general region of Central Asia and East Asia. The Uyghurs are recognized as the titular nationality of the Xinjiang Uyghur Autonomous Region in Northwest China.…

Saint Petersburg, formerly known as Petrograd (Петроград) and later Leningrad (Ленинград), is the second-largest city in Russia, after Moscow, the nation's capital. It is situated on the River Neva, at the head of the Gulf of Finland on the Baltic Sea. With an area of 1,439 square kilometers (556 sq…

"Jabberwocky" is a nonsense poem written by Lewis Carroll about the killing of a creature named "the Jabberwock". It was included in his 1871 novel Through the Looking-Glass, the sequel to Alice's Adventures in Wonderland (1865). The book tells of Alice's adventures within the back-to-front world of…

A parliamentary republic is a republic that operates under a parliamentary system of government where the executive branch (called the government in such systems) derives its legitimacy from and is accountable to the legislature (the parliament). Both executive and legislative powers are ultimately …

Florida (/ˈflɒrɪdə/ FLORR-ih-də; Spanish: [floˈɾiða] ) is a state in the Southeastern and South Atlantic regions of the United States. It borders the Gulf of Mexico to the west, Alabama to the northwest, Georgia to the north, the Atlantic Ocean to the east, the Straits of Florida to the south, and T…

In linguistics, and more precisely in traditional grammar, a cardinal numeral (or cardinal number word) is a part of speech used to count.[citation needed]…

The Standard Model of particle physics is the theory describing three of the four known fundamental forces (electromagnetic, weak and strong interactions – excluding gravity) in the universe and classifying all known elementary particles. It was developed in stages throughout the latter half of the …

William Shankly OBE (2 September 1913 – 29 September 1981) was a Scottish football player and manager who is best known for his time as manager of Liverpool. Shankly brought success to Liverpool, gaining promotion to the First Division and winning three League Championships and the UEFA Cup. He laid…

Udinese Calcio (Italian pronunciation: [udiˈneːze ˈkaltʃo, -eːse -]; "Udinese Football") is a professional football club based in Udine, Friuli-Venezia Giulia, Italy. The team currently competes in the Serie A, the first tier of Italian football. It was founded on 30 November 1896 as a sports club, …