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Allen B. DuMont
Allen Balcom DuMont, also spelled Du Mont, (January 29, 1901 – November 14, 1965) was an American electronics engineer, scientist and inventor who improved the cathode-ray tube in 1931 for use in television receivers. Seven years later he manufactured and sold the first commercially practical television set to the public. In June 1938, his Model 180 television receiver was the first all-electronic television set sold to the public, a few months prior to RCA's first TV set in April 1939. In 1946, DuMont founded the first television network to be licensed, the DuMont Television Network, by linking station WABD (named for DuMont, later becoming WNEW and then WNYW) in New York City to station W3XWT, which later became WTTG, in Washington, D.C. WTTG was named for Dr. Thomas T. Goldsmith, DuMont's Vice President of Research, and his best friend. DuMont's successes in television picture tubes, TV sets and components and his involvement in commercial TV broadcasting made him the first ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Brooklyn
Brooklyn is a Boroughs of New York City, borough of New York City located at the westernmost end of Long Island in the New York (state), State of New York. Formerly an independent city, the borough is coextensive with Kings County, one of twelve original counties established under English rule in 1683 in what was then the Province of New York. As of the 2020 United States census, the population stood at 2,736,074, making it the most populous of the five boroughs of New York City, and the most populous Administrative divisions of New York (state)#County, county in the state.Table 2: Population, Land Area, and Population Density by County, New York State - 2020 New York State Department of Health. Accessed January 2, 2024. [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
WTTG
WTTG (channel 5) is a television station in Washington, D.C., serving as the market's Fox Broadcasting Company, Fox network outlet. It is owned and operated by the network's Fox Television Stations division alongside MyNetworkTV station WDCA (channel 20). WTTG and WDCA share studios on Wisconsin Avenue in Bethesda, Maryland. Through a channel sharing agreement, the stations transmit using WTTG's spectrum from a tower also located in Bethesda on Maryland Route 190, River Road at the site of WDCA's former studio facilities. WTTG's signal is rebroadcast on a low-power broadcasting#Television, low-power digital Broadcast relay station#Translator station, translator station, W24ES-D, in Moorefield, West Virginia (which is owned by Valley TV Cooperative, Inc.). History Early years (1945–1958) The station traces its history to May 19, 1945, when television set and equipment manufacturer Allen B. DuMont founded W3XWT, the second experimental station in the nation's capital (after NBC's ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Troy, New York
Troy is a city in and the county seat of Rensselaer County, New York, United States. It is located on the western edge of the county, on the eastern bank of the Hudson River just northeast of the capital city of Albany, New York, Albany. At the 2020 United States census, 2020 census, the population of Troy was 51,401. Troy has close ties to Albany and nearby Schenectady, New York, Schenectady, forming a region called the Capital District (New York), Capital District, which has a population of 1.24 million. The area long had been occupied by the Mohican Indian tribe, but Dutch settlement began in the mid-17th century. The Dutch colony was conquered by the English in 1664, renamed Troy in 1789 and was incorporated as a Town (New York), town in 1791. Due to the confluence of major waterways and a geography that supported water power, the American Industrial Revolution took hold in this area, making Troy reputedly the fourth-wealthiest city in America around the turn of the 20th cent ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Montclair High School (New Jersey)
Montclair High School is a comprehensive four-year public high school located in Montclair, in Essex County, in the U.S. state of New Jersey, serving students in ninth through twelfth grades as the lone secondary school of the Montclair Public School District. The school has been accredited by the Middle States Association of Colleges and Schools Commission on Elementary and Secondary Schools since 1928. As of the 2023–24 school year, the school had an enrollment of 1,961 students and 145.6 classroom teachers (on an FTE basis), for a student–teacher ratio of 13.5:1. There were 271 students (13.8% of enrollment) eligible for free lunch and 50 (2.5% of students) eligible for reduced-cost lunch.School data for Montclair High School |
YMCA
YMCA, sometimes regionally called the Y, is a worldwide youth organisation based in Geneva, Switzerland, with more than 64 million beneficiaries in 120 countries. It has nearly 90,000 staff, some 920,000 volunteers and 12,000 branches worldwide. It was founded in London on 6 June 1844 by George Williams (philanthropist), George Williams as the Young Men's Christian Association. The organisation's stated aim is to put Christian values into practice by developing a healthy body, mind, and spirit. From its inception, YMCA grew rapidly, ultimately becoming a worldwide movement founded on the principles of muscular Christianity. Local YMCAs deliver projects and services focused on youth development through a wide variety of youth activities, including providing athletic facilities, holding classes for a wide variety of skills, promoting Christianity, and humanitarian work. YMCA is a non-governmental federation, with each independent local YMCA affiliated with its national or ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Human Swimming
Swimming is the self-propulsion of a person through water, such as saltwater or freshwater environments, usually for recreation, sport, exercise, or survival. Swimmers achieve locomotion by coordinating limb and body movements to achieve hydrodynamic thrust that results in directional motion. Newborns can instinctively hold their breath underwater and exhibit rudimentary swimming movements as part of a survival reflex. Swimming requires endurance, skill and efficient techniques to maximize speed and minimize energy consumption. Swimming is a popular activity and competitive sport where certain techniques are deployed to move through water. It offers numerous health benefits, such as strengthened cardiovascular health, muscle strength, and increased flexibility. It is suitable for people of all ages and fitness levels. Swimming is consistently among the top public recreational activities, and in some countries, swimming lessons are a compulsory part of the educational curriculum ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Antenna (radio)
In radio-frequency engineering, an antenna (American English) or aerial (British English) is an electronic device that converts an alternating current, alternating electric current into radio waves (transmitting), or radio waves into an electric current (receiving). It is the interface between radio waves Radio propagation, propagating through space and electric currents moving in metal Electrical conductor, conductors, used with a transmitter or receiver (radio), receiver. In transmission (telecommunications), transmission, a radio transmitter supplies an electric current to the antenna's Terminal (electronics), terminals, and the antenna radiates the energy from the current as electromagnetic radiation, electromagnetic waves (radio waves). In receiver (radio), reception, an antenna intercepts some of the power of a radio wave in order to produce an electric current at its terminals, that is applied to a receiver to be amplifier, amplified. Antennas are essential components ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Transceiver
In radio communication, a transceiver is an electronic device which is a combination of a radio ''trans''mitter and a re''ceiver'', hence the name. It can both transmit and receive radio waves using an antenna, for communication purposes. These two related functions are often combined in a single device to reduce manufacturing costs. The term is also used for other devices which can both transmit and receive through a communications channel, such as ''optical transceivers'' which transmit and receive light in optical fiber systems, and ''bus transceivers'' which transmit and receive digital data in computer data buses. Radio transceivers are widely used in wireless devices. One large use is in two-way radios, which are audio transceivers used for bidirectional person-to-person voice communication. Examples are cell phones, which transmit and receive the two sides of a phone conversation using radio waves to a cell tower, cordless phones in which both the phone hands ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Morse Code
Morse code is a telecommunications method which Character encoding, encodes Written language, text characters as standardized sequences of two different signal durations, called ''dots'' and ''dashes'', or ''dits'' and ''dahs''. Morse code is named after Samuel Morse, one of the early developers of the system adopted for electrical telegraphy. International Morse code encodes the 26 ISO basic Latin alphabet, basic Latin letters to , one Diacritic, accented Latin letter (), the Arabic numerals, and a small set of punctuation and procedural signals (Prosigns for Morse code, prosigns). There is no distinction between upper and lower case letters. Each Morse code symbol is formed by a sequence of ''dits'' and ''dahs''. The ''dit'' duration can vary for signal clarity and operator skill, but for any one message, once the rhythm is established, a beat (music), half-beat is the basic unit of time measurement in Morse code. The duration of a ''dah'' is three times the duration ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Radio
Radio is the technology of communicating using radio waves. Radio waves are electromagnetic waves of frequency between 3 hertz (Hz) and 300 gigahertz (GHz). They are generated by an electronic device called a transmitter connected to an antenna which radiates the waves. They can be received by other antennas connected to a radio receiver; this is the fundamental principle of radio communication. In addition to communication, radio is used for radar, radio navigation, remote control, remote sensing, and other applications. In radio communication, used in radio and television broadcasting, cell phones, two-way radios, wireless networking, and satellite communication, among numerous other uses, radio waves are used to carry information across space from a transmitter to a receiver, by modulating the radio signal (impressing an information signal on the radio wave by varying some aspect of the wave) in the transmitter. In radar, used to locate and track ob ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Eastern Parkway
Eastern Parkway is a major east–west boulevard in the borough (New York City), New York City borough of Brooklyn. Designed by Frederick Law Olmsted and Calvert Vaux, it was built between 1870 and 1874 and has been credited as the world's first parkway. At the time of its construction, Eastern Parkway extended to the eastern edge of the then-independent city of Brooklyn. The road begins at Grand Army Plaza (the main entrance to Prospect Park (Brooklyn), Prospect Park) and runs east to Bushwick Avenue. The initial portion of Eastern Parkway, west of Ralph Avenue, consists of a main road and two service roads separated by landscaped medians, which include bike paths and walkways. The section west of Ralph Avenue is a New York City scenic landmark and on the National Register of Historic Places. The part east of Ralph Avenue is narrower and is officially known as the Eastern Parkway Extension. Olmsted and Vaux designed Eastern Parkway, along with Ocean Parkway (Brooklyn), Ocean ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
