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Bradford Parkinson
Bradford Parkinson (born February 16, 1935) is an American engineer and inventor, retired United States Air Force Colonel and Emeritus Professor at Stanford University. He is best known as the lead architect, advocate and developer, with early contributions from Ivan Getting and Roger Easton, of the Air Force NAVSTAR program, better known as Global Positioning System. He was also the co-principal investigator (co-PI) and program manager on Gravity Probe B, which tested gravitomagnetism and was the first direct mechanical test of Einstein’s General Relativity. He has received numerous awards and honors for GPS and contributions to engineering and invention, including the Charles Stark Draper Prize, National Inventors Hall of Fame, and IEEE Medal of Honor, among others. In 2019, Bradford Parkinson shared the Queen Elizabeth Prize for Engineering with three other GPS pioneers ( James Spilker, Hugo Freuhauf, and Richard Schwartz). Education For his secondary education, Parkin ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Madison, Wisconsin
Madison is the List of capitals in the United States, capital city of the U.S. state of Wisconsin. It is the List of municipalities in Wisconsin by population, second-most populous city in the state, with a population of 269,840 at the 2020 United States census, 2020 census. The Madison metropolitan area had 680,796 residents. Centrally located on an isthmus between Lakes Lake Mendota, Mendota and Lake Monona, Monona, the vicinity also encompass Lakes Lake Wingra, Wingra, Lake Kegonsa, Kegonsa and Lake Waubesa, Waubesa. Madison was founded in 1836 and is named after American Founding Fathers of the United States, Founding Father and President James Madison. It is the county seat of Dane County. As the state capital, Madison is home to government chambers including the Wisconsin State Capitol building. It is also home to the University of Wisconsin–Madison, the flagship campus of the University of Wisconsin System. Major companies in the area include American Family Insurance, ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Roger L
Roger is a masculine given name, and a surname. The given name is derived from the Old French personal names ' and '. These names are of Germanic languages">Germanic origin, derived from the elements ', ''χrōþi'' ("fame", "renown", "honour") and ', ' ("spear", "lance") (Hrōþigēraz). The name was introduced into England by the Normans. In Normandy, the Franks, Frankish name had been reinforced by the Old Norse cognate '. The name introduced into England replaced the Old English cognate '. ''Roger'' became a very common given name during the Middle Ages. A variant form of the given name ''Roger'' that is closer to the name's origin is '' Rodger''. Slang and other uses From up to , Roger was slang for the word "penis". In ''Under Milk Wood'', Dylan Thomas writes "jolly, rodgered" suggesting both the sexual double entendre and the pirate term "Jolly Roger". In 19th-century England, Roger was slang for another term, the cloud of toxic green gas that swept through the chlori ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Washington (state)
Washington, officially the State of Washington, is a U.S. state, state in the Pacific Northwest region of the United States. It is often referred to as Washington State to distinguish it from Washington, D.C., the national capital, both named after George Washington (the first President of the United States, U.S. president). Washington borders the Pacific Ocean to the west, Oregon to the south, Idaho to the east, and shares Canada–United States border, an international border with the Provinces and territories of Canada, Canadian province of British Columbia to the north. Olympia, Washington, Olympia is the List of capitals in the United States, state capital, and the most populous city is Seattle. Washington is the List of U.S. states and territories by area, 18th-largest state, with an area of , and the List of U.S. states and territories by population, 13th-most populous state, with a population of just less than 8 million. The majority of Washington's residents live ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Ground Radar
Ground radar (cf. airborne radar system) is a radar positioned on the ground and used for air defense (e.g., ground-controlled interception), command guidance (e.g., ground-directed bombing), air traffic control (i.e., radar control), instrument landing systems, radar bomb scoring, etc.. Ground radar may refer to: * Air Route Surveillance Radar * Airport surveillance radar * Counter-battery radar * Fire-control radar for ground weapon systems (e.g., Nike missile command guidance) * Ground-penetrating radar when used from a ground site * Precision approach radar * Secondary surveillance radar * Target acquisition radar * Weather radar A weather radar, also called weather surveillance radar (WSR) and Doppler weather radar, is a type of radar used to locate precipitation (meteorology), precipitation, calculate its motion, and estimate its type (rain, snow, hail etc.). Modern w ... for measurements from the ground (e.g., for local news reports) Technology-related lists Radar ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Commissioned Officer
An officer is a person who holds a position of authority as a member of an armed force or uniformed service. Broadly speaking, "officer" means a commissioned officer, a non-commissioned officer (NCO), or a warrant officer. However, absent contextual qualification, the term typically refers only to a force's ''commissioned officers'', the more senior members who derive their authority from a commission from the head of state. Numbers The proportion of officers varies greatly. Commissioned officers typically make up between an eighth and a fifth of modern armed forces personnel. In 2013, officers were the senior 17% of the British armed forces, and the senior 13.7% of the French armed forces. In 2012, officers made up about 18% of the German armed forces, and about 17.2% of the United States armed forces. Historically armed forces have generally had much lower proportions of officers. During the First World War, fewer than 5% of British soldiers were officers (partly beca ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Electrical Engineering
Electrical engineering is an engineering discipline concerned with the study, design, and application of equipment, devices, and systems that use electricity, electronics, and electromagnetism. It emerged as an identifiable occupation in the latter half of the 19th century after the commercialization of the electric telegraph, the telephone, and electrical power generation, distribution, and use. Electrical engineering is divided into a wide range of different fields, including computer engineering, systems engineering, power engineering, telecommunications, radio-frequency engineering, signal processing, instrumentation, photovoltaic cells, electronics, and optics and photonics. Many of these disciplines overlap with other engineering branches, spanning a huge number of specializations including hardware engineering, power electronics, Electromagnetism, electromagnetics and waves, microwave engineering, nanotechnology, electrochemistry, renewable energies, mechatronics/control ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Breck School
Breck School is an independent college-preparatory preK–12 school in Golden Valley, Minnesota, Golden Valley, Minnesota, a suburb of Minneapolis. It was founded in 1886 and is affiliated with the Episcopal Church in the United States of America, Episcopal Church. The school includes a ''Lower School'' consisting of grades preschool through four, a ''Middle School'' consisting of grades five through eight, and an ''Upper School'' consisting of grades nine through twelve. Breck School is accredited by the National Association of Independent Schools. History Breck was established in 1886 in Wilder, MN, Wilder, Minnesota and named after Episcopal Church in the United States of America, Episcopal missionary the Rev. James Lloyd Breck. The school moved to 2095 Commonwealth Ave in Saint Paul, Minnesota, Saint Paul under the direction of the Rev. Charles Haupt, in 1916. In 1920 it moved to 2102 Carter Ave., just a few blocks away in Saint Anthony Park (Saint Paul), Saint Anthony Park ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Richard Schwartz (engineer)
Richard Schwartz is an American aerospace engineer known for his work in satellite technologies which made possible the development of modern global positioning systems (GPS). He was a recipient of the 2019 Queen Elizabeth Prize for Engineering. Education and early life Schwartz was born and raised in New York City, and attended high school at Brooklyn Tech. He graduated from Cooper Union with a degree in mechanical engineering in 1957, and eventually earned an MBA at Pepperdine University in 1972. Career and important contributions After graduation in 1957, Schwartz went to work at the Rocketdyne division of North American Aviation, which eventually became part of Rockwell International. During his time at Rockwell he was involved in the development of rocket propulsion systems and the space shuttle Orbiter program, as well as other projects connected with NASA. Schwartz was Rockwell’s GPS Satellite Program Manager and was part of the team that provided the Block I satellit ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
James Spilker
James Julius Spilker Jr. (August 4, 1933 – September 24, 2019) was an American engineer and a consulting professor in the aeronautics and astronautics department at Stanford University. He was one of the principal architects of the Global Positioning System (GPS). He was the co-founder of the space communications company Stanford Telecommunications, and later was the executive chairman oAOSenseInc., Sunnyvale, CA. Education Spilker had a difficult early childhood, battling illnesses and becoming legally blind in one eye when he was young. He was raised only by his mother. After graduating high school and working for awhile, Spilker began attending college at the College of Marin, a community college in Kentfield, California, primarily for financial reasons. After receiving scholarship aid from Stanford University and Hewlett-Packard, he was able to transfer to Stanford, which he attended for 5 years and received a B.S. degree in 1955, an M.S. degree in 1956, and a Ph.D. in ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
IEEE Medal Of Honor
The IEEE Medal of Honor is the highest recognition of the American Institute of Electrical and Electronics Engineers (IEEE). It has been awarded since 1917, and is presented to an individual or team of up to three who have made exceptional contributions or had extraordinary careers in technology, engineering, and science in the IEEE fields of interest. The award consists of a gold medal, a bronze replica (of the medal), a certificate, and a million honorarium. The medal was created by the Institute of Radio Engineers (IRE) as the "IRE Medal of Honor". It became the IEEE Medal of Honor when the IRE merged with the American Institute of Electrical Engineers (AIEE) to form the IEEE in 1963. It was decided that IRE's Medal of Honor would be presented as IEEE's highest award. Edward Field Sanford Jr., an American sculptor, designed the medal in 1917. The first recipient was Edwin Howard Armstrong, in 1917. As of 2024, 104 people have been awarded the medal, with the latest recipient ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Charles Stark Draper Prize
The U.S. National Academy of Engineering annually awards the Draper Prize, which is given for the advancement of engineering and the education of the public about engineering. It is one of three prizes that constitute the "Nobel Prizes of Engineering"—the others are the Academy's Russ and Gordon Prizes. The Draper Prize is awarded biennially and the winner of each of these prizes receives $500,000. The Draper prize is named for Charles Stark Draper, the "father of inertial navigation", an MIT professor and founder of Draper Laboratory. Past winners * 1989: Jack S. Kilby and Robert N. Noyce for their independent development of the monolithic integrated circuit * 1991: Sir Frank Whittle and Hans von Ohain for their independent development of the turbojet engine * 1993: John Backus for his development of FORTRAN, the first widely used, general purpose, high-level computer language * 1995: John R. Pierce and Harold A. Rosen for their development of communication satellite ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
General Relativity
General relativity, also known as the general theory of relativity, and as Einstein's theory of gravity, is the differential geometry, geometric theory of gravitation published by Albert Einstein in 1915 and is the current description of gravitation in modern physics. General theory of relativity, relativity generalizes special relativity and refines Newton's law of universal gravitation, providing a unified description of gravity as a geometric property of space and time in physics, time, or four-dimensional spacetime. In particular, the ''curvature of spacetime'' is directly related to the energy and momentum of whatever is present, including matter and radiation. The relation is specified by the Einstein field equations, a system of second-order partial differential equations. Newton's law of universal gravitation, which describes gravity in classical mechanics, can be seen as a prediction of general relativity for the almost flat spacetime geometry around stationary mass ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
