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An imaginary number is the product of a real number and the imaginary unit i, which is defined by its property i2 = −1. The square of an imaginary number bi is −b2. For example, 5i is an imaginary number, and its square is −25. The number zero is considered to be both real and imaginary.…

Kevin Fulbright Warren (born November 17, 1963) is an American attorney and sports executive. He is the team president and chief executive officer (CEO) for the Chicago Bears of the National Football League (NFL). He was previously the commissioner of the Big Ten Conference from 2020 to 2023, overse…

A card game is any game that uses cards as the primary device with which the game is played, whether the cards are of a traditional design or specifically created for the game (proprietary). Countless card games exist, including families of related games (such as poker). A small number of card games…

Midsummer or Midsommar (Swedish: [ˈmɪ̌ˌsɔmːar] or [ˈmǐːdˌsɔmːar]) is a celebration of the season of summer, taking place on or near the date of the summer solstice in the Northern Hemisphere, the longest day of the year. The name midsummer mainly refers to summer solstice festivals of European origi…

A charter is the grant of authority or rights, stating that the granter formally recognizes the prerogative of the recipient to exercise the rights specified. It is implicit that the granter retains superiority (or sovereignty), and that the recipient admits a limited (or inferior) status within the…

An appellate court, commonly called a court of appeal(s), appeal court, court of second instance or second instance court, is any court of law that is empowered to hear a case upon appeal from a trial court or other lower tribunal. An appellate court other than a supreme court is sometimes referred …

Stuttering, also known as stammering, is a speech disorder characterized externally by involuntary repetitions and prolongations of sounds, syllables, words, or phrases as well as involuntary silent pauses called blocks in which the person who stutters is unable to produce sounds. Almost 80 million …

A city-state is an independent sovereign city that serves as the primary hub of political, economic, and cultural life within its contiguous territory. This concept stands in contrast to that of a regular state or country, which typically encompasses a capital city and additional urban centers, in a…

Robert Allen Ryan (born December 13, 1962) is an American football coach who is currently an assistant head coach for the USC Trojans. Ryan was a defensive coordinator or assistant coach for nine different NFL teams. He was the linebackers coach for the New England Patriots when they won both Super …

Analytic philosophy is a broad school of thought or style in contemporary Western philosophy, especially anglophone philosophy, with an emphasis on analysis, clear prose, rigorous arguments, formal logic, mathematics, and the natural sciences (with less emphasis on the humanities). It is further cha…