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In physics, electromagnetism is an interaction that occurs between particles with electric charge via electromagnetic fields. The electromagnetic force is one of the four fundamental forces of nature. It is the dominant force in the interactions of atoms and molecules. Electromagnetism can be thought of as a combination of electrostatics and magnetism, which are distinct but closely intertwined phenomena. Electromagnetic forces occur between any two charged particles. Electric forces cause an attraction between particles with opposite charges and repulsion between particles with the same charge, while magnetism is an interaction that occurs between charged particles in relative motion. These two forces are described in terms of electromagnetic fields. Macroscopic charged objects are described in terms of Coulomb's law for electricity and Ampère's force law for magnetism; the Lorentz force describes microscopic charged particles.
An electromagnetic field is a physical field, mathematical functions of position and time, representing the influences on and due to electric charges. The field at any point in space and time can be regarded as a combination of an electric field and a magnetic field. Because of the interrelationship between the fields, a disturbance in the electric field can create a disturbance in the magnetic field which in turn affects the electric field, leading to an oscillation that propagates through space, known as an electromagnetic wave.
Maxwell's equations, or Maxwell–Heaviside equations, are a set of coupled partial differential equations that, together with the Lorentz force law, form the foundation of classical electromagnetism, classical optics, electric and magnetic circuits. The equations provide a mathematical model for electric, optical, and radio technologies, such as power generation, electric motors, wireless communication, lenses, radar, etc. They describe how electric and magnetic fields are generated by charges, currents, and changes of the fields. The equations are named after the physicist and mathematician James Clerk Maxwell, who, in 1861 and 1862, published an early form of the equations that included the Lorentz force law. Maxwell first used the equations to propose that light is an electromagnetic phenomenon. The modern form of the equations in their most common formulation is credited to Oliver Heaviside.
Maxwell's demon is a thought experiment that appears to disprove the second law of thermodynamics. It was proposed by the physicist James Clerk Maxwell in 1867. In his first letter, Maxwell referred to the entity as a "finite being" or a "being who can play a game of skill with the molecules". Lord Kelvin would later call it a "demon".
The Nanny is an American sitcom that originally aired on CBS from November 3, 1993, to June 23, 1999, starring Fran Drescher as Fran Fine, a Jewish fashionista from Flushing, Queens who becomes the nanny of three children from an Anglo-American upper-class family in New York. The show was created and produced by Drescher and her then-husband Peter Marc Jacobson, taking much of its inspiration from Drescher's personal life growing up, involving names and characteristics based on her relatives and friends. The show earned a Rose d'Or, and one Emmy Award, out of a total of twelve nominations; Drescher was twice nominated for a Golden Globe and an Emmy. The sitcom has also spawned several foreign adaptations, loosely inspired by the original scripts.
The Maxwell Award is presented annually to the college football player judged by a panel of sportscasters, sportswriters, and National Collegiate Athletic Association head coaches and the membership of the Maxwell Football Club to be the best all-around in the United States. The award is named after Robert "Tiny" Maxwell, a Swarthmore College football player, coach, and sportswriter. Johnny Lattner and Tim Tebow are the only players to have won the award twice. Since 2014, the Maxwell Award winner has gone on to win the Heisman Trophy during the same voting cycle in every year except 2018 and 2023. It is the college equivalent of the Bert Bell Award of the National Football League, also given out by the Maxwell Club.
Maxwell House is an American brand of coffee manufactured by a like-named division of Kraft Heinz in North America and JDE Peet's in the rest of the world. Introduced in 1892 by wholesale grocer Joel Owsley Cheek, it was named in honor of the Maxwell House Hotel in Nashville, Tennessee, which was its first major customer. For nearly 100 years, until the late 1980s, it was the highest-selling coffee brand in the United States. The company's slogan is "Good to the last drop," which is often incorporated into its logo and is printed on its labels.
Pergamon Press was an Oxford-based publishing house, founded by Paul Rosbaud and Robert Maxwell, that published scientific and medical books and journals. Originally called Butterworth-Springer, it is now an imprint of Elsevier.
Maxwell Air Force Base, officially known as Maxwell-Gunter Air Force Base, is a United States Air Force (USAF) installation under the Air Education and Training Command (AETC). The installation is located in Montgomery, Alabama, United States. Occupying the site of the first Wright Flying School, it was named in honor of Second Lieutenant William C. Maxwell, a native of Atmore, Alabama.
Clan Maxwell is a Scottish clan of the Scottish Lowlands and is recognized as such by the Lord Lyon King of Arms. However, as the clan does not currently have a chief, it is considered an armigerous clan.
Cedric Bryan Maxwell is an American retired professional basketball player now in radio broadcasting. Nicknamed "Cornbread", he played 11 seasons in the National Basketball Association (NBA), and played a key role in two championships with the Boston Celtics.
Gerald Maxwell Rivera, known mononymously as Maxwell, is an American singer, songwriter, and record producer. He rose to prominence following the release of his debut studio album Maxwell's Urban Hang Suite (1996), which received widespread acclaim and spawned the hit singles "Ascension " and "Sumthin' Sumthin'". Through the album and its follow ups, Maxwell has been cited—along with Lauryn Hill, D'Angelo, and Erykah Badu—for ushering in the neo soul movement and its sensibilities into mainstream popular music during the late 1990s.
Maxwell Street is an east–west street in Chicago, Illinois, that intersects with Halsted Street just south of Roosevelt Road. It runs at 1330 South in the numbering system running from 500 West to 1126 West. The Maxwell Street neighborhood is considered part of the Near West Side and is one of the city's oldest residential districts. It is notable as the location of the celebrated Maxwell Street Market and the birthplace of Chicago blues and the "Maxwell Street Polish", a sausage sandwich. A large portion of the area is now part of the campus of the University of Illinois at Chicago (UIC) and a private housing development sponsored by the university.
Mount Maxwell Provincial Park is a provincial park in the Gulf Islands of British Columbia, Canada. It is located on Burgoyne Bay and the Sansum Narrows on the western shores of Saltspring Island.
Ian Robert Maxwell was a Czechoslovak-born British media proprietor, politician, fraudster, and the father of the convicted sex offender Ghislaine Maxwell.
James Clerk Maxwell was a Scottish physicist with broad interests who was responsible for the classical theory of electromagnetic radiation, which was the first theory to describe electricity, magnetism and light as different manifestations of the same phenomenon. Maxwell's equations for electromagnetism have been called the "second great unification in physics" where the first one had been realised by Isaac Newton.
Glenn James Maxwell is an Australian professional cricketer. He has played for the Australia national cricket team in all formats of the game since 2012, although he is primarily a One Day International and Twenty20 International specialist. Maxwell is an all-rounder who is known for his sometimes unorthodox batting and bowls right arm off-break deliveries. Domestically he played for Victoria and Melbourne Stars. He was part of the Australian squads that won the 2015 Cricket World Cup, the 2023 Cricket World Cup, and the 2021 T20 World Cup. His ability to make unconventional shots like reverse sweeps and pulls often makes it hard to set fields that cover all of his scoring areas.
Ghislaine Noelle Marion Maxwell is a British former socialite and convicted sex offender. In 2021, she was found guilty of child sex trafficking and other offences in connection with the deceased financier and convicted sex offender Jeffrey Epstein. In June 2022, she was sentenced in a New York court to twenty years' imprisonment.
Stella Maynes Maxwell is a model. She is a former Victoria's Secret Angel, and is also the face of the cosmetics brand Max Factor.
Maxwell Alejandro Frost is an American politician and activist serving as the U.S. representative for Florida's 10th congressional district since 2023. A member of the Democratic Party, he was previously the national organizing director for March for Our Lives. Elected at age 25, Frost is the first member of Generation Z to serve in the United States Congress.
References
- ↑ "MCO : Deux joueurs signent aujourd'hui". dzfoot.com. 29 January 2024.
