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Norman F. Ramsey Jr.
Norman Foster Ramsey Jr. (August 27, 1915 – November 4, 2011) was an American physicist who was awarded the 1989 Nobel Prize in Physics, for the invention of the separated oscillatory field method (see Ramsey Interferometry) which had important applications in the construction of atomic clocks. A physics professor at Harvard University for most of his career, Ramsey also held several posts with such government and international agencies as NATO and the United States Atomic Energy Commission. Among his other accomplishments are helping to found the United States Department of Energy's Brookhaven National Laboratory and Fermilab. Early life Norman Foster Ramsey Jr. was born in Washington, D.C., on August 27, 1915, to Minna Bauer Ramsey, an instructor at the University of Kansas, and Norman Foster Ramsey, a 1905 graduate of the United States Military Academy at West Point and an officer in the Ordnance Department who rose to the rank of brigadier general during ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Wayland, Massachusetts
Wayland is a town in Middlesex County, Massachusetts, United States. The town was founded in 1638, and incorporated in 1780 and was originally part of neighboring Sudbury (incorporated 1639). As of the 2020 United States Census, the population was 13,943. In 2021, Niche.com ranked Wayland as #1 on their list of "Best Places to Raise a Family in Massachusetts", #8 on their list of "Best Places to Raise a Family in America", and #2 on their list of "Best Suburbs to Live in Massachusetts". History Wayland was the first settlement of Sudbury Plantation in 1638. The residents of what is now Sudbury split away in 1722 and formed into the western parish, while residents of what is now Wayland formed into the eastern parish. Prior to the American Revolution Sudbury had one of the largest militias in Massachusetts, numbering about 400. During the Battles of Lexington and Concord on April 19, 1775 approximately 302 members of the Sudbury militia, including 115 from the eastern parish, ma ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Sunney Chan
Sunney Ignatius Chan (; born October 5, 1936) is an American-born biophysical chemist. His work primarily focused on the use of various magnetic resonance spectroscopic and other physical chemical techniques in the analysis of various biochemical and biological problems. Early life and education He was born on October 5, 1936, in San Francisco to immigrant parents originally from Southern China. Chan received secondary education in Hong Kong, returning to the United States to attend the University of San Francisco. Shortly afterwards, he transferred to the University of California, Berkeley, where he earned a bachelor's and doctoral degree in chemistry. He completed his doctoral work under the supervision of physical chemist William Dulaney Gwinn and was awarded his PhD in 1961. Career After receiving his doctorate, Chan completed a one-year post-doctoral fellowship in the laboratory of the Nobel laurate physicist Norman Ramsey at Harvard University and later returned to Ca ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Atomic Clock
An atomic clock is a clock that measures time by monitoring the resonant frequency of atoms. It is based on atoms having different energy levels. Electron states in an atom are associated with different energy levels, and in transitions between such states they interact with a very specific frequency of electromagnetic radiation. This phenomenon serves as the basis for the International System of Units' (SI) definition of a second:The second, symbol s, is the SI unit of time. It is defined by taking the fixed numerical value of the caesium frequency, \Delta \nu_\mathsf, the unperturbed ground-state hyperfine transition frequency of the caesium 133 atom, to be when expressed in the unit Hz, which is equal to s−1. This definition is the basis for the system of International Atomic Time (TAI), which is maintained by an ensemble of atomic clocks around the world. The system of Coordinated Universal Time, Coordinated Universal Time (UTC) that is the basis of civil time implements ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Physicist
A physicist is a scientist who specializes in the field of physics, which encompasses the interactions of matter and energy at all length and time scales in the physical universe. Physicists generally are interested in the root or ultimate causes of phenomena, and usually frame their understanding in mathematical terms. Physicists work across a wide range of research fields, spanning all length scales: from sub-atomic and particle physics, through biological physics, to cosmological length scales encompassing the universe as a whole. The field generally includes two types of physicists: experimental physicists who specialize in the observation of natural phenomena and the development and analysis of experiments, and theoretical physicists who specialize in mathematical modeling of physical systems to rationalize, explain and predict natural phenomena. Physicists can apply their knowledge towards solving practical problems or to developing new technologies (also known as applie ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Vannevar Bush Award
The National Science Board established the Vannevar Bush Award ( ) in 1980 to honor Vannevar Bush's unique contributions to public service. The annual award recognizes an individual who, through public service activities in science and technology, has made an outstanding "contribution toward the welfare of mankind and the Nation." The recipient of the award receives a bronze medal struck in the memory of Dr. Bush. Vannevar Bush (1890–1974) was a prominent scientist, adviser to US presidents, and the force behind the establishment of the National Science Foundation. In 1945, at the request of President Franklin D. Roosevelt, he wrote a famous essay entitled ''Science, the Endless Frontier'' which recommended that a foundation be established by the United States Congress to serve as a focal point for the USA Federal Government's support and encouragement of research and education in science and technology as well as the development of a national science policy. The legislation cr ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Dirac Medal
The Dirac Medal is the name of four awards in the field of theoretical physics, computational chemistry, and mathematics, awarded by different organizations, named in honour of Professor Paul Dirac, one of the great theoretical physicists of the 20th century. The Dirac Medal and Lecture (University of New South Wales) The first-established prize is the Dirac Medal for the Advancement of Theoretical Physics, awarded by the University of New South Wales, Sydney, Australia, jointly with the Australian Institute of Physics on the occasion of the public Dirac Lecture. The Lecture and the Medal commemorate the visit to the university in 1975 of Professor Dirac, who gave five lectures there. These lectures were subsequently published as a book: ''Directions of Physics'' (Wiley, 1978 – H. Hora and J. Shepanski, eds.). Professor Dirac donated the royalties from this book to the University for the establishment of the Dirac Lecture series. The prize, first awarded in 1979, includes a sil ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Nobel Prize In Physics
) , image = Nobel Prize.png , alt = A golden medallion with an embossed image of a bearded man facing left in profile. To the left of the man is the text "ALFR•" then "NOBEL", and on the right, the text (smaller) "NAT•" then "MDCCCXXXIII" above, followed by (smaller) "OB•" then "MDCCCXCVI" below. , awarded_for = Outstanding contributions for humankind in the field of Physics , presenter = Royal Swedish Academy of Sciences , location = Stockholm, Sweden , date = , reward = 9 million Swedish kronor (2017) , year = 1901 , holder_label = Most recently awarded to , holder = Alain Aspect, John Clauser, and Anton Zeilinger , most_awards = John Bardeen (2) , website nobelprize.org, previous = 2021 , year2=2022, main=2022, next=2023 The Nobel Prize in Physics is a yearly award given by the Royal Swedish Academy of Sciences for those who have made the most outstanding contributions for humankind in the field of physics. It ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
National Medal Of Science
The National Medal of Science is an honor bestowed by the President of the United States to individuals in science and engineering who have made important contributions to the advancement of knowledge in the fields of behavioral and social sciences, biology, chemistry, engineering, mathematics and physics. The twelve member presidential Committee on the National Medal of Science is responsible for selecting award recipients and is administered by the National Science Foundation (NSF). History The National Medal of Science was established on August 25, 1959, by an act of the Congress of the United States under . The medal was originally to honor scientists in the fields of the "physical, biological, mathematical, or engineering sciences". The Committee on the National Medal of Science was established on August 23, 1961, by executive order 10961 of President John F. Kennedy. On January 7, 1979, the American Association for the Advancement of Science (AAAS) passed a resolution propo ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Oersted Medal
The Oersted Medal recognizes notable contributions to the teaching of physics. Established in 1936, it is awarded by the American Association of Physics Teachers. The award is named for Hans Christian Ørsted. It is the Association's most prestigious award. Hans Christian Ørsted Well-known recipients include Nobel laureates Robert Andrews Millikan, Edward M. Purcell, Richard Feynman, Isidor I. Rabi, Norman F. Ramsey, Hans Bethe, and Carl Wieman; as well as Arnold Sommerfeld, George Uhlenbeck, Jerrold Zacharias, Philip Morrison, Melba Phillips, Victor Weisskopf, Gerald Holton, John A. Wheeler, Frank Oppenheimer, Robert Resnick, Carl Sagan, Freeman Dyson, Daniel Kleppner, and Lawrence Krauss, and Anthony French, David Hestenes, Robert Karplus, Robert Pohl, and Francis Sears. The 2008 medalist, Mildred S. Dresselhaus, is the third woman to win the award in its 70-plus-year history. Medalists * William Suddards Franklin – 1936 * Edwin Herbert Hall – 1937 * Alexander Wilme ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Rumford Prize
Founded in 1796, the Rumford Prize, awarded by the American Academy of Arts and Sciences, is one of the oldest scientific prizes in the United States. The prize recognizes contributions by scientists to the fields of heat and light. These terms are widely interpreted; awards range from discoveries in thermodynamics to improvements in the construction of steam boilers. The award was created through the endowment of US$5,000 to the Academy by Benjamin Thompson, who held the title "Count Rumford of the United Kingdom," in 1796. The terms state that the award be given to "authors of discoverie's in any part of the Continent of America, or in any of the American islands." Although it was founded in 1796, the first prize was not given until 1839, as the academy could not find anyone who, in their judgement, deserved the award. The academy found the terms of the prize to be too restrictive, and in 1832 the Supreme Court of Massachusetts allowed the Academy to change some of the provisi ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
IEEE Medal Of Honor
The IEEE Medal of Honor is the highest recognition of the Institute of Electrical and Electronics Engineers (IEEE). It has been awarded since 1917, when its first recipient was Major Edwin H. Armstrong. It is given for an exceptional contribution or an extraordinary career in the IEEE fields of interest. The award consists of a gold medal, bronze replica, certificate, and honorarium. The Medal of Honor may only be awarded to an individual. 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 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, while the Edison Medal would become IEEE's principal medal. Edward Field Sanford, Jr. designed the medal in 1917. Eleven persons with an exceptional career in electrical engineering received both the IEEE Edison Medal and the IEEE Meda ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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