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Freeman John Dyson FRS (born December 15, 1923) is an English-born American theoretical physicist and mathematician, famous for his work in quantum mechanics, solid-state physics, nuclear weapons design and policy, and for his serious theorizing in futurism and science fiction concepts, including the search for extraterrestrial intelligence. He is a lifelong opponent of nationalism and a proponent of nuclear disarmament and international cooperation. Dyson is a member of the Board of Sponsors of The Bulletin of the Atomic Scientists.[1] Image File history File links Broom_icon. ...
Image File history File links Freeman_Dyson. ...
is the 349th day of the year (350th in leap years) in the Gregorian calendar. ...
Year 1923 (MCMXXIII) was a common year starting on Monday (link will display the full calendar) of the Gregorian calendar. ...
Crowthorne is also a suburb of Johannesburg, South Africa Crowthorne is a small town and civil parish in the Bracknell Forest district of south-eastern Berkshire. ...
This article or section does not cite any references or sources. ...
For other uses, see England (disambiguation). ...
Image File history File links Flag_of_the_United_Kingdom. ...
Image File history File links This is a lossless scalable vector image. ...
Not to be confused with physician, a person who practices medicine. ...
“RAF†redirects here. ...
Fuld Hall The Institute for Advanced Study is a private institution in Princeton Township, New Jersey, U.S.A., designed to foster pure cutting-edge research by scientists and scholars in a variety of fields without the complications of teaching or funding, or the agendas of sponsorship. ...
Duke University is a private coeducational research university located in Durham, North Carolina, USA. Founded by Methodists and Quakers in the present-day town of Trinity in 1838, the school moved to Durham in 1892. ...
“Cornell†redirects here. ...
The University of Cambridge (often Cambridge University), located in Cambridge, England, is the second-oldest university in the English-speaking world and has a reputation as one of the worlds most prestigious universities. ...
A cut-away diagram of an idealized Dyson shell—a variant on Dysons original concept—1 AU in radius. ...
It has been suggested that this article or section be merged with Dyson series. ...
The Templeton Prize for Progress Toward Research or Discoveries about Spiritual Realities was until 2001 awarded for Progress in Religion. ...
Sir George Dyson (1883–1964) was a well-known english musician and composer. ...
Esther Dyson in San Francisco in 2005 Esther Dyson (born 14 July 1951 in Zürich, Switzerland) is a self-described authority on emerging digital technology, and considered a founding member of the digerati. ...
George Dyson at University of Washington, Seattle 2005 George Dyson (born 1953) is a scientific historian, the son of Freeman Dyson, brother of Esther Dyson, and the grandson of Sir George Dyson. ...
The Fellowship of the Royal Society was founded in 1660. ...
is the 349th day of the year (350th in leap years) in the Gregorian calendar. ...
Year 1923 (MCMXXIII) was a common year starting on Monday (link will display the full calendar) of the Gregorian calendar. ...
Not to be confused with physician, a person who practices medicine. ...
Leonhard Euler, considered one of the greatest mathematicians of all time A mathematician is a person whose primary area of study and research is the field of mathematics. ...
For a less technical and generally accessible introduction to the topic, see Introduction to quantum mechanics. ...
Solid-state physics, the largest branch of condensed matter physics, is the study of rigid matter, or solids. ...
The mushroom cloud of the atomic bombing of Nagasaki, Japan, 1945, rose some 18 km (11 mi) above the epicenter. ...
Future studies reflects on how today’s changes (or the lack thereof) become tomorrow’s reality. ...
Science fiction is a form of speculative fiction principally dealing with the impact of imagined science and technology, or both, upon society and persons as individuals. ...
This article is about the search for extra-terrestrial intelligence. ...
Eugène Delacroixs Liberty Leading the People, symbolising French nationalism during the July Revolution 1830. ...
U.S. and USSR/Russian nuclear weapons stockpiles, 1945-2006 Nuclear disarmament is the proposed dismantling of nuclear weapons, particularly those of the United States and the Soviet Union (later Russia) targeted on each other. ...
For the Marxist view of internationalism, see proletarian internationalism. ...
Cover of the Bulletin of the Atomic Scientists with the famous Doomsday Clock set at seven minutes to midnight. ...
Biography
Personal Dyson has six children. One daughter is Esther Dyson, the noted digital technology consultant. His son is the historian of technology George Dyson, one of whose books is Project Orion: The Atomic Spaceship 1957-1965. His wife, Imme Dyson, is an accomplished masters runner. Dyson's father was the renowned English composer George Dyson. Despite sharing a last name, he is not related to early 20th century astronomer Frank Watson Dyson. However, as a small boy, Freeman Dyson was aware of Frank Watson Dyson; Freeman credits the popularity of someone with the same last name with inadvertently helping to spark his interest in science. Dyson received a Sc.D. from Bates College in 1990. Esther Dyson in San Francisco in 2005 Esther Dyson (born 14 July 1951 in Zürich, Switzerland) is a self-described authority on emerging digital technology, and considered a founding member of the digerati. ...
George Dyson at University of Washington, Seattle 2005 George Dyson (born 1953) is a scientific historian, the son of Freeman Dyson, brother of Esther Dyson, and the grandson of Sir George Dyson. ...
An artists conception of the NASA reference design for the Project Orion spacecraft powered by nuclear propulsion. ...
Sir George Dyson (1883–1964) was a well-known english musician and composer. ...
Sir Frank Watson Dyson (January 8, 1868 – May 25, 1939) was an English astronomer. ...
Bates College is a private liberal arts college, founded in 1855 by abolitionists, located in Lewiston, Maine, in the United States. ...
On Esther Dyson, his daughter: Esther Dyson in San Francisco in 2005 Esther Dyson (born 14 July 1951 in Zürich, Switzerland) is a self-described authority on emerging digital technology, and considered a founding member of the digerati. ...
| “ | The main advantage she had was being neglected. We had two other children [then], one older and one younger, who were real problems. She wasn't a problem, and so she didn't get much attention. She always knew what she wanted, and she was very quiet and easygoing.[2] | ” |
Career Dyson worked as an analyst for RAF Bomber Command during World War II.[3] After the war, he obtained a BA in mathematics from Cambridge University (1945) and was a Fellow at Trinity College, Cambridge from 1946 to 1949. In 1947 he moved to the US, on a fellowship at Cornell University and then joined the faculty there as a physics professor in 1951 without a PhD. He was elected a FRS in 1952[4] In 1953, he took up a post at the Institute for Advanced Study in Princeton, NJ. In 1957, he became a naturalized citizen of the United States. Bomber Command badge RAF Bomber Command was the organisation that controlled the RAFs bomber forces. ...
Combatants Allied powers: China France Great Britain Soviet Union United States and others Axis powers: Germany Italy Japan and others Commanders Chiang Kai-shek Charles de Gaulle Winston Churchill Joseph Stalin Franklin Roosevelt Adolf Hitler Benito Mussolini Hideki TÅjÅ Casualties Military dead: 17,000,000 Civilian dead: 33,000...
// BA, Ba or ba may stand for: Abbreviations Bachelor of Arts, see Bachelors degree the chemical symbol for the element barium (Ba) Bashkir language (ISO 639 alpha-2 language code, ba) Brodmann area, according to Korbinian Brodmann Breathing apparatus Corporations & institutions British Army Bank of America Boeing Company (stock...
The University of Cambridge (often Cambridge University), located in Cambridge, England, is the second-oldest university in the English-speaking world and has a reputation as one of the worlds most prestigious universities. ...
Full name The College of the Holy and Undivided Trinity Motto Virtus vera nobilitas Virtue is true Nobility Named after The Holy Trinity Previous names King’s Hall and Michaelhouse (until merged in 1546) Established 1546 Sister College(s) Christ Church Master The Lord Rees of Ludlow Location Trinity Street...
“Cornell†redirects here. ...
The Fellowship of the Royal Society was founded in 1660. ...
Fuld Hall The Institute for Advanced Study is a private institution in Princeton Township, New Jersey, U.S.A., designed to foster pure cutting-edge research by scientists and scholars in a variety of fields without the complications of teaching or funding, or the agendas of sponsorship. ...
See also: Princeton Township, New Jersey Princeton highlighted in Mercer County. ...
Naturalization is the process whereby a person becomes a national of a nation, or a citizen of a country, other than the one of his birth. ...
Prof. Dyson is best known for demonstrating in 1949 the equivalence of the formulations of quantum electrodynamics that existed by that time -- Richard Feynman's diagrammatic path integral formulation and the operator method developed by Julian Schwinger and Sin-Itiro Tomonaga. A byproduct of that demonstration was the invention of the Dyson series[5]. Quantum electrodynamics (QED) is a relativistic quantum field theory of electrodynamics. ...
This article is about the physicist. ...
This article or section is in need of attention from an expert on the subject. ...
Julian Seymour Schwinger (February 12, 1918 -- July 16, 1994) was an American theoretical physicist. ...
To meet Wikipedias quality standards, this article or section may require cleanup. ...
It has been suggested that this article or section be merged with Dyson operator. ...
Another seminal work by Dyson came in 1966 when, together with A. Lenard and independently of Elliott H. Lieb and Walter Thirring, he proved rigorously that the exclusion principle plays the main role of stability of bulk matter [6]. Hence, it is not the electromagnetic repulsion between electrons and nuclei that is responsible for two wood blocks that are left on top of each other not coalescing into a single piece, but rather it is the exclusion principle applied to electrons and protons that generates the classical macrosopic normal force. In condensed matter physics, Dyson also did studies in the phase transition of the Ising model in 1 dimension and spin waves[7] The Pauli exclusion principle is a quantum mechanical principle formulated by Wolfgang Pauli in 1925. ...
Fn represents the normal force. ...
Spin waves are propagating disturbances in the ordering of magnetic materials. ...
Dyson also did work in a variety of topics in mathematics, such as topology, analysis, number theory and random matrices [8].
From 1957 to 1961 he worked on the Orion Project, which proposed the possibility of space-flight using nuclear pulse propulsion. A prototype was demonstrated using conventional explosives, but a treaty banning the use of nuclear weapons in space caused the project to be abandoned. An artists conception of the NASA reference design for the Project Orion spacecraft powered by nuclear propulsion. ...
An artists conception of the Orion basic spacecraft, powered by nuclear pulse propulsion. ...
This article is concerned solely with chemical explosives. ...
The Treaty Banning poop, in Outer Space, and Under Water, often abbreviated as the Partial Test Ban Treaty (PTBT), Limited Test Ban Treaty (LTBT), or Nuclear Test Ban Treaty (NTBT), although the former also refers to the Comprehensive Test Ban Treaty (CTBT), is a treaty intended to obtain an agreement...
In 1958 he led the design team for the TRIGA, a small, inherently safe nuclear reactor used throughout the world in hospitals and universities for the production of isotopes. TRIGA is a class of small nuclear reactor designed and manufactured by General Atomics of the USA. TRIGA is an acronym of Training, Research, Isotopes, General Atomics. This type of reactor can be installed without a containment building, and is designed for use by scientific institutions and universities for purposes...
In 1977, Dyson supervised Princeton undergraduate John Aristotle Phillips in a term paper that outlined a credible design for a nuclear weapon. This earned Phillips the nickname The A-Bomb Kid. John Aristotle Phillips, known as the A-Bomb Kid, was a junior undergraduate at Princeton University in 1977 when he designed a nuclear weapon using publicly-available books and papers. ...
Dyson has published a number of collections of speculations and observations about technology, science, and the future.
Dyson was awarded the Lorentz Medal in 1966 and Max Planck medal in 1969. In the 1984–85 academic year he gave the Gifford lectures at Aberdeen, which resulted in the book Infinite In All Directions. Lorentz Medal is an award given every four years by the Royal Netherlands Academy of Arts and Sciences. ...
The Max Planck medal is an award for extraordinary achievements in theoretical physics. ...
The Gifford Lectures were established by the will of Adam Lord Gifford (d. ...
The University of Aberdeen was founded in 1495, in Aberdeen, Scotland. ...
Infinite In All Directions is book on a wide range of subjects, including history, philosophy, research, technology, and eschatology, by theoretical physicist Freeman Dyson. ...
In 1998, Dyson joined the board of the Solar Electric Light Fund. In 2000, Dyson was awarded the Templeton Prize for Progress in Religion. Solar Electric Light Fund (SELF) is a non-profit charitable organization setup to promote, develop, and facilitate solar rural electrification and energy SELF-sufficiency in developing countries. ...
The Templeton Prize for Progress Toward Research or Discoveries about Spiritual Realities was until 2001 awarded for Progress in Religion. ...
In 1989, Dyson taught at Duke University as a Fritz London Memorial Lecturer. Duke University is a private coeducational research university located in Durham, North Carolina, USA. Founded by Methodists and Quakers in the present-day town of Trinity in 1838, the school moved to Durham in 1892. ...
Fritz Wolfgang London (March 7, 1900–March 30, 1954) was a German-born American physicist for whom the London force is named. ...
As of 2003, Dyson is the president of the Space Studies Institute, the space research organization founded by Gerard K. O'Neill. 2003 is a common year starting on Wednesday of the Gregorian calendar, and also: The International Year of Freshwater The European Disability Year Events January events January 1 Luíz Inácio Lula Da Silva becomes the 37th President of Brazil. ...
Cover of procedings for 7th Space Manufacturing conference. ...
Gerard Kitchen ONeill (1927 - 1992) was a U.S. physicist and space pioneer. ...
In 2003, Dyson was awarded the Telluride Tech Festival Award of Technology in Telluride, Colorado.
Dyson was a long time member of the JASON defense advisory group. This article is about the hero from Greek mythology. ...
Concepts
Biotechnology and genetic engineering | “ | My book The Sun, the Genome, and the Internet (1999) describes a vision of green technology enriching villages all over the world and halting the migration from villages to megacities. The three components of the vision are all essential: the sun to provide energy where it is needed, the genome to provide plants that can convert sunlight into chemical fuels cheaply and efficiently, the Internet to end the intellectual and economic isolation of rural populations. With all three components in place, every village in Africa could enjoy its fair share of the blessings of civilization. [9] | ” | Dyson cheerfully admits his record as a prophet is mixed, but "it is better to be wrong than to be vague."[10] | “ | To answer the world's material needs, technology has to be not only beautiful but also cheap.[11] | ” |
Dyson sphere -
| “ | One should expect that, within a few thousand years of its entering the stage of industrial development, any intelligent species should be found occupying an artificial biosphere which completely surrounds its parent star.[12] | ” | In 1960 Dyson wrote a short paper for the journal Science, entitled "Search for Artificial Stellar Sources of Infrared Radiation".[13] In it, he theorized that a technologically advanced society might completely surround its native star in order to maximize the capture of the star's available energy. Eventually, the civilization would completely enclose the star, intercepting electromagnetic radiation with wavelengths from visible light downwards and radiating waste heat outwards as infrared radiation. Therefore, one method of searching for extraterrestrial civilizations would be to look for large objects radiating in the infrared range of the electromagnetic spectrum. A cut-away diagram of an idealized Dyson shell—a variant on Dysons original concept—1 AU in radius. ...
Science is the journal of the American Association for the Advancement of Science (AAAS). ...
For other uses, see Society (disambiguation). ...
Electromagnetic waves can be imagined as a self-propagating transverse oscillating wave of electric and magnetic fields. ...
For other uses, see Infrared (disambiguation). ...
This article is about the search for extra-terrestrial intelligence. ...
Legend γ = Gamma rays HX = Hard X-rays SX = Soft X-Rays EUV = Extreme ultraviolet NUV = Near ultraviolet Visible light NIR = Near infrared MIR = Moderate infrared FIR = Far infrared Radio waves EHF = Extremely high frequency (Microwaves) SHF = Super high frequency (Microwaves) UHF = Ultra high frequency VHF = Very high frequency HF = High...
Dyson conceived that such structures would be clouds of asteroid-sized space habitats, though science fiction writers have preferred a solid structure: either way, such an artifact is often referred to as a Dyson sphere, although Dyson himself used the term "shell". Dyson says that he used the word "artificial biosphere" in the article meaning a habitat, not a shape.[14] 253 Mathilde, a C-type asteroid. ...
A pair of ONeill cylinders Interior of a Torus (doughnut-shaped) station A space habitat, also called space colony or orbital colony, is a space station intended as a permanent settlement rather than as a simple waystation or other specialized facility. ...
Science fiction is a form of speculative fiction principally dealing with the impact of imagined science and technology, or both, upon society and persons as individuals. ...
A cut-away diagram of an idealized Dyson shell—a variant on Dysons original concept—1 AU in radius. ...
Dyson tree -
Dyson has also proposed the creation of a Dyson tree, a genetically-engineered plant capable of growing on a comet. He suggested that comets could be engineered to contain hollow spaces filled with a breathable atmosphere, thus providing self-sustaining habitats for humanity in the outer solar system. This article is being considered for deletion in accordance with Wikipedias deletion policy. ...
Kenyans examining insect-resistant transgenic Bt corn. ...
Comet Hale-Bopp Comet West For other uses, see Comet (disambiguation). ...
This article is about the Solar System. ...
| “ | Plants could grow greenhouses…just as turtles grow shells and polar bears grow fur and polyps build coral reefs in tropical seas. These plants could keep warm by the light from a distant Sun and conserve the oxygen that they produce by photosynthesis. The greenhouse would consist of a thick skin providing thermal insulation, with small transparent windows to admit sunlight. Outside the skin would be an array of simple lenses, focusing sunlight through the windows into the interior… Groups of greenhouses could grow together to form extended habitats for other species of plants and animals.[15] | ” |
Space colonies | “ | I've done some historical research on the costs of the Mayflower's voyage, and on the Mormons' emigration to Utah, and I think it's possible to go into space on a much smaller scale. A cost on the order of $40,000 per person [1978 dollars] would be the target to shoot for; in terms of real wages, that would make it comparable to the colonization of America. Unless it's brought down to that level it's not really interesting to me, because otherwise it would be a luxury that only governments could afford.[16] | ” | Freeman Dyson has been interested in space travel since he was a child, reading such science fiction classics as Olaf Stapledon's Star Maker. As a young man, he worked for General Atomics on the nuclear-powered Orion spacecraft. He hoped Project Orion would put men on Mars by 1965, Saturn by 1970. He's been unhappy for a quarter-century on how the government conducts space travel: Science fiction is a form of speculative fiction principally dealing with the impact of imagined science and technology, or both, upon society and persons as individuals. ...
William Olaf Stapledon (May 10, 1886 – September 6, 1950) was a British philosopher and author of several influential works of science fiction. ...
Star Maker (1937) is a cornerstone work of science fiction by Olaf Stapledon, in which he undertakes the immense task of describing the entire history of life in the universe. ...
General Atomics is a nuclear physics and defense contractor in southern California. ...
An artists conception of the NASA reference design for the Project Orion spacecraft powered by nuclear propulsion. ...
| “ | The problem is, of course, that they can't afford to fail. The rules of the game are that you don't take a chance, because if you fail, then probably your whole program gets wiped out.[17] | ” | He still hopes for cheap space travel, but is resigned to waiting for private entrepreneurs to develop something new—and cheap. | “ | No law of physics or biology forbids cheap travel and settlement all over the solar system and beyond. But it is impossible to predict how long this will take. Predictions of the dates of future achievements are notoriously fallible. My guess is that the era of cheap unmanned missions will be the next fifty years, and the era of cheap manned missions will start sometime late in the twenty-first century.
Any affordable program of manned exploration must be centered in biology, and its time frame tied to the time frame of biotechnology; a hundred years, roughly the time it will take us to learn to grow warm-blooded plants, is probably reasonable.[18]
| ” |
Space exploration | “ | A direct search for life in Europa's ocean would today be prohibitively expensive. Impacts on Europa give us an easier way to look for evidence of life there. Every time a major impact occurs on Europa, a vast quantity of water is splashed from the ocean into the space around Jupiter. Some of the water evaporates, and some condenses into snow. Creatures living in the water far enough from the impact have a chance of being splashed intact into space and quickly freeze-dried. Therefore, an easy way to look for evidence of life in Europa's ocean is to look for freeze-dried fish in the ring of space debris orbiting Jupiter.[19] | ” |
Dyson's transform Dyson also has some credits in Elementary number theory. His concept "Dyson's transform" led to one of the most important lemmas of Olivier Ramaré's theorem that every even integer is a sum of at most six primes. Traditionally, number theory is that branch of pure mathematics concerned with the properties of integers and contains many open problems that are easily understood even by non-mathematicians. ...
In mathematics, a lemma is a proven proposition which is used as a stepping stone to a larger result rather than an independent statement, in and of itself. ...
Olivier Ramaré is a French mathematician who teaches at the Université des Sciences et Technologies de Lille. ...
Views
Criticism of global warming studies Dyson was an early proponent of Carbon sequestration by plants by planting gigantic areas of trees in a paper as long ago as 1976.[20] He revisited this subject in 2007 where he asserted that the "fuss about global warming is grossly exaggerated", having calculated that "the problem of carbon dioxide in the atmosphere is a problem of land management, not a problem of meteorology." The failures of climate scientists to understand this was due to his belief that "No computer model of atmosphere and ocean can hope to predict the way we shall manage our land."[21] It has been suggested that this article or section be merged with Carbon capture and storage. ...
Dyson has questioned the predictive value of current computational models of climate change, urging instead more extensive use of local observations. Variations in CO2, temperature and dust from the Vostok ice core over the last 450,000 years For current global climate change, see Global warming. ...
| “ | The good news is that we are at last putting serious effort and money into local observations. Local observations are laborious and slow, but they are essential if we are ever to have an accurate picture of climate. The bad news is that the climate models on which so much effort is expended are unreliable because they still use fudge-factors rather than physics to represent important things like evaporation and convection, clouds and rainfall. Besides the general prevalence of fudge-factors, the latest and biggest climate models have other defects that make them unreliable. With one exception, they do not predict the existence of El Niño. Since El Niño is a major feature of the observed climate, any model that fails to predict it is clearly deficient. The bad news does not mean that climate models are worthless. They are, as Manabe said thirty years ago, essential tools for understanding climate. They are not yet adequate tools for predicting climate.[22] | ” | While he acknowledges climate change is in part due to anthropogenic causes, such as the burning of fossil fuels, he regards the term "global warming" as a misnomer: Fudge factor is a margin over and above the required resources such as time, capital, human capital, cost required for a certain project. ...
Chart of ocean surface temperature anomaly [°C] during the last strong El Niño in December 1997 El Niño and La Niña (also written in English as El Nino and La Nina) are major temperature fluctuations in surface waters of the tropical Eastern Pacific Ocean. ...
Look up anthropogenic in Wiktionary, the free dictionary. ...
| “ | As a result of the burning of coal and oil, the driving of cars, and other human activities, the carbon dioxide in the atmosphere is increasing at a rate of about half a percent per year. … The physical effects of carbon dioxide are seen in changes of rainfall, cloudiness, wind strength, and temperature, which are customarily lumped together in the misleading phrase "global warming." This phrase is misleading because the warming caused by the greenhouse effect of increased carbon dioxide is not evenly distributed. In humid air, the effect of carbon dioxide on the transport of heat by radiation is less important, because it is outweighed by the much larger greenhouse effect of water vapor. The effect of carbon dioxide is more important where the air is dry, and air is usually dry only where it is cold. The warming mainly occurs where air is cold and dry, mainly in the arctic rather than in the tropics, mainly in winter rather than in summer, and mainly at night rather than in daytime. The warming is real, but it is mostly making cold places warmer rather than making hot places hotter. To represent this local warming by a global average is misleading, because the global average is only a fraction of a degree while the local warming at high latitudes is much larger.[23] | ” | Regarding political efforts to reduce the causes of climate change, Dyson argues that other global problems should take priority. | “ | I'm not saying the warming doesn't cause problems, obviously it does. Obviously we should be trying to understand it. I'm saying that the problems are being grossly exaggerated. They take away money and attention from other problems that are much more urgent and important. Poverty, infectious diseases, public education and public health. Not to mention the preservation of living creatures on land and in the oceans.[24] | ” |
Bureaucracy At the British Bomber Command, Dyson and colleagues proposed ripping out two gun turrets from the RAF Lancaster bombers, to cut the catastrophic losses to German fighters in the Battle of Berlin. A Lancaster without turrets could fly 50 mph (80 km/h) faster and be much more maneuverable. Bomber Command is an organizational military unit, generally subordinate to the air force of a country. ...
The Avro Lancaster was a four-engined World War II bomber aircraft made initially by Avro for the Royal Air Force. ...
Combatants Soviet Union Poland Nazi Germany Commanders 1st Belorussian Front – Georgiy Zhukov 2nd Belorussian Front – Konstantin Rokossovskiy 1st Ukrainian Front – Ivan Konev Army Group Vistula – Gotthard Heinrici then Kurt von Tippelskirch[2] Army Group Centre – Ferdinand Schörner Berlin Defense Area – Helmuth Reymann then Helmuth Weidling #[3] Strength 2,500...
| “ | All our advice to the commander in chief [went] through the chief of our section, who was a career civil servant. His guiding principle was to tell the commander in chief things that the commander in chief liked to hear… To push the idea of ripping out gun turrets, against the official mythology of the gallant gunner defending his crewmates…was not the kind of suggestion the commander in chief liked to hear.[25] | ” |
Warfare and weapons On hearing the news of the bombing of Hiroshima: For other uses, see Hiroshima (disambiguation). ...
| “ | I agreed emphatically with Henry Stimson. Once we had got ourselves into the business of bombing cities, we might as well do the job competently and get it over with.
I felt better that morning than I had felt for years… Those fellows who had built the atomic bombs obviously knew their stuff… Later, much later, I would remember [the downside].[26] | ” | Henry L. Stimson Henry Lewis Stimson (September 21, 1867 - October 20, 1950) was an American politician. ...
The role of failure | “ | You can't possibly get a good technology going without an enormous number of failures. It's a universal rule. If you look at bicycles, there were thousands of weird models built and tried before they found the one that really worked. You could never design a bicycle theoretically. Even now, after we've been building them for 100 years, it's very difficult to understand just why a bicycle works - it's even difficult to formulate it as a mathematical problem. But just by trial and error, we found out how to do it, and the error was essential.[27] | ” |
On English academics | “ | My view of the prevalence of doom-and-gloom in Cambridge is that it is a result of the English class system. In England there were always two sharply opposed middle classes, the academic middle class and the commercial middle class. In the nineteenth century, the academic middle class won the battle for power and status. As a child of the academic middle class, I learned to look on the commercial middle class with loathing and contempt. Then came the triumph of Margaret Thatcher, which was also the revenge of the commercial middle class. The academics lost their power and prestige and the business people took over. The academics never forgave Thatcher and have been gloomy ever since.[28] | ” |
Science and Religion Dyson strongly opposes reductionism. He is a non-denominational Christian and has attended various churches from Presbyterian to Roman Catholic. Regarding doctrinal or christological issues, he has said "I am neither a saint nor a theologian. To me, good works are more important than theology."[29] Descartes held that non-human animals could be reductively explained as automata — De homines 1622. ...
A non-denominational church (usually Christian) is a religious organization which does not necessarily align its mission and teachings to an established denomination. ...
Presbyterianism is part of the Reformed churches family of denominations of Christian Protestantism based on the teachings of John Calvin which traces its institutional roots to the Scottish Reformation, especially as led by John Knox. ...
The Roman Catholic Church, most often spoken of simply as the Catholic Church, is the largest Christian church, with over one billion members. ...
Christology is that part of Christian theology that studies and defines who Jesus Christ is. ...
| “ | Science and religion are two windows that people look through, trying to understand the big universe outside, trying to understand why we are here. The two windows give different views, but they look out at the same universe. Both views are one-sided, neither is complete. Both leave out essential features of the real world. And both are worthy of respect. Trouble arises when either science or religion claims universal jurisdiction, when either religious dogma or scientific dogma claims to be infallible. Religious creationists and scientific materialists are equally dogmatic and insensitive. By their arrogance they bring both science and religion into disrepute. The media exaggerate their numbers and importance. The media rarely mention the fact that the great majority of religious people belong to moderate denominations that treat science with respect, or the fact that the great majority of scientists treat religion with respect so long as religion does not claim jurisdiction over scientific questions.[29] | ” | Dyson disagrees with the famous remark by his fellow-physicist Steven Weinberg that "Good people will do good things, and bad people will do bad things. But for good people to do bad things—that takes religion."[30] Steven Weinberg (born May 3, 1933) is an American physicist. ...
| “ | Weinberg's statement is true as far as it goes, but it is not the whole truth. To make it the whole truth, we must add an additional clause: "And for bad people to do good things—that takes religion." The main point of Christianity is that it is a religion for sinners. Jesus made that very clear. When the Pharisees asked his disciples, "Why eateth your Master with publicans and sinners?" he said, "I come to call not the righteous but sinners to repentance." Only a small fraction of sinners repent and do good things, but only a small fraction of good people are led by their religion to do bad things.[30] | ” |
Popular culture The fictional character Gordon Freeman in the Half-Life franchise was named after Dyson.[citation needed] Gordon Freeman, Ph. ...
Half-Life For a quantity subject to exponential decay, the half-life is the time required for the quantity to fall to half of its initial value. ...
As noted above, the Dyson sphere is a favorite of science-fiction authors. See Dyson spheres in fiction. A cut-away diagram of an idealized Dyson shell—a variant on Dysons original concept—1 AU in radius. ...
This is a listing of the use of the Dyson sphere concept in popular fiction. ...
See also Some of the public intellectuals who won The 2005 Global Intellectuals Poll. ...
Categories: Pages needing attention | Stub ...
In 1979, Freeman Dyson published a paper in which he argued that in an open universe, it would be possible for an intelligent being to think an infinite number of thoughts. ...
This article is about the hypothetical self-replicating spacecraft concept. ...
This article is being considered for deletion in accordance with Wikipedias deletion policy. ...
References - ^ Bulletin of the Atomic Scientists
- ^ Interview by Stewart Brand, February 1998
- ^ "A Failure of Intelligence", Essay in Technology Review (Nov–Dec 2006)
- ^ Royal Society directory entry
- ^ F. J. Dyson, Phys. Rev. 75, 486, 1736 (1949)
- ^ F. J. Dyson, A. Lenard, J. Math. Phys. 8, 3, 423-434 (1967); F. J. Dyson, A. Lenard, J. Math. Phys., 9, 5, 698-711 (1968); E. H. Lieb, W. Thirring, Phys. Rev. Lett. 35, 687-689 (1975).
- ^ See F. J. Dyson, E. H. Lieb, Selected papers by Freeman Dyson, AMS (1996).
- ^ Ibid.
- ^ Our Biotech Future
- ^ Dyson, 1999, The Sun, the Genome, and the Internet
- ^ Dyson, FJ, "The Greening of the Galaxy" in Disturbing the Universe, 1979
- ^ Interview by Monte Davis, October 1978
- ^ Dyson, Freeman J. (3 June 1960). "Search for Artificial Stellar Sources of Infrared Radiation". Science 131 (3414): 1667 - 1668. doi:10.1126/science.131.3414.1667.
- ^ 20 minutes into a video
- ^ Dyson, FJ, "Warm-blooded plants and freeze-dried fish: the future of space exploration." The Atlantic Monthly, Nov 1997 Subscribers only
- ^ Interview by Monte Davis, October 1978
- ^ Interview by Monte Davis, October 1978
- ^ Dyson, FJ, "Warm-blooded plants and freeze-dried fish: the future of space exploration.", op. cit.
- ^ Dyson, FJ, "Warm-blooded plants and freeze-dried fish: the future of space exploration", The Atlantic Monthly, Nov. 1997
- ^ Larry Lohmann (July 1999). [http://www.thecornerhouse.org.uk/item.shtml?x=51971#fn001ref The Dyson Effect: Carbon 'Offset' Forestry and The Privatization of the Atmosphere]. The Cornerhouse. Retrieved on 2007-09-05.
- ^ Freeman Dyson (8 August 2007). heretical Thoughts about Science and Society. Edge. Retrieved on 2007-09-05.
- ^ American Physical Society newsletter, May 1999
- ^ Dyson in a review in The New York Review of Books, 15 March 2003
- ^ University of Michigan 2005Winter Commencement Address
- ^ FJ Dyson, "The Children's Crusade" in Disturbing the Universe, 1979
- ^ FJ Dyson, "The Blood of a Poet" in Disturbing the Universe, 1979
- ^ Interview by Stewart Brand, February 1998
- ^ Benny Peiser (14 March 2007). The Scientist as a Rebel: An interview with Freeman Dyson. CCNet. Retrieved on 2007-09-05.
- ^ a b Templeton Prize Lecture
- ^ a b NYRB June 22, 2006
A digital object identifier (or DOI) is a standard for persistently identifying a piece of intellectual property on a digital network and associating it with related data, the metadata, in a structured extensible way. ...
Year 2007 (MMVII) is the current year, a common year starting on Monday of the Gregorian calendar and the AD/CE era. ...
is the 248th day of the year (249th in leap years) in the Gregorian calendar. ...
is the 220th day of the year (221st in leap years) in the Gregorian calendar. ...
Year 2007 (MMVII) is the current year, a common year starting on Monday of the Gregorian calendar and the AD/CE era. ...
Year 2007 (MMVII) is the current year, a common year starting on Monday of the Gregorian calendar and the AD/CE era. ...
is the 248th day of the year (249th in leap years) in the Gregorian calendar. ...
is the 73rd day of the year (74th in leap years) in the Gregorian calendar. ...
Year 2007 (MMVII) is the current year, a common year starting on Monday of the Gregorian calendar and the AD/CE era. ...
Year 2007 (MMVII) is the current year, a common year starting on Monday of the Gregorian calendar and the AD/CE era. ...
is the 248th day of the year (249th in leap years) in the Gregorian calendar. ...
Bibliography
By Dyson - Disturbing the Universe, 1979
- Weapons and Hope, 1984
- Origins of Life, 1986
- Infinite in all Directions, 1988
- From Eros to Gaia, 1992
- Selected Papers of Freeman Dyson, 1996
- Imagined Worlds, 1997
- The Sun, The Genome and The Internet, 1999
- L'mportanza di essere imprevedibile, Di Renzo Editore, 2003
- The Scientist as Rebel, 2006
- Advanced Quantum Mechanics, World Scientific, 2007. Dyson's 1951 Cornell lecture notes transcribed by David Derbes.
About Dyson - Brower, Kenneth, 1978. The Starship and the Canoe, Holt Rinehart and Winston.
- Schweber, Sylvan S., 1994. QED and the men who made it : Dyson, Feynman, Schwinger, and Tomonaga. Princeton Univ. Press.
External links Wikiquote has a collection of quotations related to: | Wolf Prize in Physics Laureates | Chien-Shiung Wu (1978) • George Uhlenbeck / Giuseppe Occhialini (1979) • Michael Fisher / Leo Kadanoff / Kenneth G. Wilson (1980) • Freeman Dyson / Gerardus 't Hooft / Victor Weisskopf (1981) • Leon M. Lederman / Martin Lewis Perl (1982) • Erwin Hahn / Peter Hirsch / Theodore Maiman (1983) • Conyers Herring / Philippe Nozieres (1984) • Mitchell Feigenbaum / Albert J. Libchaber (1986) • Herbert Friedman / Bruno Rossi / Riccardo Giacconi (1987) • Roger Penrose / Stephen Hawking (1988) • Pierre-Gilles de Gennes / David J. Thouless (1990) • Maurice Goldhaber / Valentine Telegdi (1991) • Joseph H. Taylor Jr. (1992) • Benoît Mandelbrot (1993) • Vitaly Ginzburg / Yoichiro Nambu (1994) • John Wheeler (1997) • Yakir Aharonov / Michael Berry (1998) • Dan Shechtman (1999) • Raymond Davis Jr. / Masatoshi Koshiba (2000) • Bertrand Halperin / Anthony Leggett (2002) • Robert Brout / François Englert / Peter Higgs (2004) • Daniel Kleppner (2005) • Albert Fert / Peter Grünberg (2006) Image File history File links This is a lossless scalable vector image. ...
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