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Articles by Freeman Dyson
Search for Artificial Stellar Sources of Infrared Radiation
If extraterrestrial intelligent beings exist and have reached a high level of technical development, one by-product of their energy metabolism is likely to be the large-scale conversion of starlight into far-infrared radiation. It is proposed that a search for sources of infrared radiation should accompany the recently initiated search for interstellar radio communications.
General Theory of Spin-Wave Interactions
Abstract An ideal model of a ferromagnet is studied, consisting of a lattice of identical spins with cubic symmetry and with isotropic exchange coupling between nearest neighbors. The aim is to obtain a complete description of the thermodynamic properties of the system at low temperatures, far below the Curie point. In this temperature region the natural description of the states of the system is in terms of Bloch spin waves.
Chien-Shiung Wu, the First Lady of Physics - JSTOR Daily
Born near Shanghai in 1912, Chien-Shiung Wu boarded a ship to the United States in 1936 to study physics at the University of Michigan. She intended to get her PhD and then return home. Instead, while visiting a friend, she was persuaded to join the cutting-edge physics graduate program at the University of California, Berkeley. Flash-forward to 1956, when an experiment of Wu’s demonstrated that a fundamental assumption of physics—the “conservation of parity”—was false.
1961: The neutron bomb
Editor’s note: This article appeared originally in the September 1961 issue of the Bulletin. It is republished here as part of our special issue commemorating the 75th year of the Bulletin. I have been asked by the editor to make some remarks concerning the so-called “neutron bomb” and its relevance to the problems of future weapons testing.
Einführung in die Quantenelektrodynamik
Article Metrics Views 4 Web of Science ISI 0 Altmetric Please Note: The number of views represents the full text views from December 2016 to date. Article views prior to December 2016 are not included.
American Experience
Partner Video The Moon’s Lasting Pull Our moon has winked from the heavens as a symbol and anchor, reminding us not only the cycle of life, but also of danger and death. Scientists have brought the moon into sharper focus, and astronauts have left the first footprints there. But will we ever be able to explain its lasting, mesmerizing power of attraction?
Stardust
Stardust NASA/TaschenStar-forming nebula in the constellation Carina, 7,200 light-years from earth, 2006-2008 When we see things for the first time, the pictures are always a surprise. Nature’s imagination is richer than ours. We imagine things to be simple and Nature makes them complicated. In Expanding Universe, a magnificent selection of pictures taken by cameras on the Hubble Space Telescope, the big surprise is dust.
Opinion | Freeman Dyson’s Quest for Eternal Life
In 1979, Freeman Dyson came up with a plan to live forever. There was no fanciful elixir. It was not a matter of theological speculation. Mr. Dyson was, for all his eccentric, maverick tendencies, a theoretical physicist — one of the most brilliant and insightful of his age.
A Failure of Intelligence
A Failure of Intelligence Prominent physicist Freeman Dyson recalls the time he spent developing analytical methods to help the British Royal Air Force bomb German targets during World War II. Read Full Article »
Freeman Dyson: Let's look for life in the outer solar system
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Freeman Dyson: Freeman Dyson: busquemos vida en el sistema solar exterior
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Search for Artificial Stellar Sources of Infrared Radiation
Abstract If extraterrestrial intelligent beings exist and have reached a high level of technical development, one by-product of their energy metabolism is likely to be the large-scale conversion of starlight into far-infrared radiation. It is proposed that a search for sources of infrared radiation should accompany the recently initiated search for interstellar radio communications.
HERETICAL THOUGHTS ABOUT SCIENCE AND SOCIETY By Freeman Dyson
HERETICAL THOUGHTS ABOUT SCIENCE AND SOCIETY 1. The Need for Heretics In the modern world, science and society often interact in a perverse way. We live in a technological society, and technology causes political problems. The politicians and the public expect science to provide answers to the problems. Scientific experts are paid and encouraged to provide answers. The public does not have much use for a scientist who says, “Sorry, but we don’t know”.
The Power of Morphological Thinking
The Power of Morphological Thinking Zwicky: The Outcast Genius Who Unmasked the Universe by John Johnson Jr. Harvard University Press, 352 pp., $35.00 Caltech ArchivesFritz Zwicky at the Schmidt telescope at Palomar Observatory, California, circa 1936 Around the year 1935, a profound change occurred in the way humans imagine the universe. It was not sudden, but it was substantially complete within a few decades.
The Scientist as Rebel
The Scientist as Rebel There is no such thing as a unique scientific vision, any more than there is a unique poetic vision. Science is a mosaic of partial and conflicting visions. But there is one common element in these visions. The common element is rebellion against the restrictions imposed by the locally prevailing culture, Western or Eastern as the case may be. The vision of science is not specifically Western. It is no more Western than it is Arab or Indian or Japanese or Chinese.
THE EDGE SCIENCE DINNER 2003
Event Date: [ 2.27.03 ] Location: United States Ramana Rao; Steve Riggio, B&N Ramana Rao; Steve Riggio, B&N Banu, John Brockman, Kelly Bovino Banu, John Brockman, Kelly Bovino Sergey Brin, Google; Ronna Tanenbaum. Alexa; Mackenzie & Jeff Bezos, Amazon Sergey Brin, Google; Ronna Tanenbaum.
THE EDGE SCIENCE DINNER 2003
Ramana Rao; Steve Riggio, B&N Ramana Rao; Steve Riggio, B&N Banu, John Brockman, Kelly Bovino Banu, John Brockman, Kelly Bovino Sergey Brin, Google; Ronna Tanenbaum. Alexa; Mackenzie & Jeff Bezos, Amazon Sergey Brin, Google; Ronna Tanenbaum.
Bulletin of the American Mathematical Society
Bulletin of the American Mathematical Society Info All issues Search Bull. Amer. Math. Soc. Volume 78, Number 5 (1972), 635-652. Missed opportunities Article info and citation First page References Article information Source Bull. Amer. Math. Soc., Volume 78, Number 5 (1972), 635-652.
The Current State of Gravitational Wave Searches with LIGO/Virgo
A research team at IAS has recently announced the discovery of six new binary black hole mergers. The team applied a unique set of signal processing techniques to data made publicly available by the LIGO-Virgo Collaboration (the same group responsible for the first direct observation of gravitational waves in 2016), bringing external analysis to existing data to effectively double the number of results.
Scientist, Spy, Genius: Who Was Bruno Pontecorvo?
Scientist, Spy, Genius: Who Was Bruno Pontecorvo?
When Science & Poetry Were Friends
When Science & Poetry Were Friends The Age of Wonder: How the Romantic Generation Discovered the Beauty and Terror of Science by Richard Holmes Pantheon, 552 pp., $40.00 Science Musuem, London/Bridgeman Art LibraryThe first balloon crossing of the English Channel, January 7, 1785; detail from an oil painting by E.W. Cocks, circa 1840 The Age of Wonder means the period of sixty years between 1770 and 1830, commonly called the Romantic Age. It is most clearly defined as an age of poetry.
The Case for Far-Out Possibilities
The Case for Far-Out Possibilities The Beginning of Infinity: Explanations that Transform the World by David Deutsch Viking, 487 pp., $30.00 Robert Wallis/Corbis David Deutsch, Christ Church, Oxford Since people began to wonder about human destiny, there have always been prophets of hope and prophets of doom.
A Failure of Intelligence
I began work in the Operational Research Section (ORS) of the British Royal Air Force’s Bomber Command on July 25, 1943. I was 19 years old, fresh from an abbreviated two years as a student at the University of Cambridge. The headquarters of Bomber Command was a substantial set of red brick buildings, hidden in the middle of a forest on top of a hill in the English county of Buckinghamshire. The main buildings had been built before the War.
The Heritage of a Great Man
Why did communism grow deep roots and survive in China, while it withered and died in Russia? This is one of the central questions of modern history. A plausible answer to the question is that communism in China resonated with the two-thousand-year-old Confucian tradition of the wise ruler governing a harmonious society of peaceful citizens, while communism in Russia was undermined by the Russian tradition of ruthless tsars like Ivan the Terrible ruling a lawless society of oligarchs and serfs.
Letters Reveal Another Side of Richard Feynman
Letters Reveal Another Side of Richard Feynman All through a long life I had three main concerns, with a clear order of priority. Family came first, friends second, and work third.”So writes the pioneering theoretical physicist Freeman Dyson in the introduction to his newly published collection of letters, Maker of Patterns. Spanning about four decades, the collection presents a first-person glimpse into a life that witnessed epochal changes both in world history and in physics.Read Full Article »
Another Side of Feynman - Issue 59: Connections - Nautilus
All through a long life I had three main concerns, with a clear order of priority. Family came first, friends second, and work third.” So writes the pioneering theoretical physicist Freeman Dyson in the introduction to his newly published collection of letters, Maker of Patterns. Spanning about four decades, the collection presents a first-person glimpse into a life that witnessed epochal changes both in world history and in physics.
The Key to Everything
Geoffrey West spent most of his life as a research scientist and administrator at the Los Alamos National Laboratory, running programs concerned not with nuclear weapons but with peaceful physics. After retiring from Los Alamos, he became director of the nearby Santa Fe Institute, where he switched from physics to a broader interdisciplinary program known as complexity science.
The Big Bang
The following letters to relatives and the accompanying headnotes are adapted from Freeman Dyson’s Maker of Patterns: An Autobiography Through Letters, to be published by Liveright on March 27. In my second year as an undergraduate at Cambridge, I registered for national service. I was in the Home Guard, which was supposed to help the army defeat the Germans in case of an invasion.
The Case for Blunders | by Freeman Dyson
Science consists of facts and theories. Facts and theories are born in different ways and are judged by different standards. Facts are supposed to be true or false. They are discovered by observers or experimenters. A scientist who claims to have discovered a fact that turns out to be wrong is judged harshly. One wrong fact is enough to ruin a career. Theories have an entirely different status. They are free creations of the human mind, intended to describe our understanding of nature.
Should Humans Colonize Space?
Should Humans Colonize Space? Simon Altmann, Sa'id Mosteshar, and Alan Smith, reply by Freeman Dyson In response to: The Green Universe: A Vision from the October 13, 2016 issue To the Editors: In “The Green Universe: A Vision” [NYR, October 13, 2016], Freeman Dyson considers topics from the costs of space exploration to the propagation of life in outer space.
Science & Religion: No Ends in Sight | by Freeman Dyson
Sir John Polkinghorne is a well-known physicist who spent twenty years doing research in theoretical particle physics and then switched to theology. He was ordained as an Anglican priest and has spent the last twenty years as an influential member of the Church of England, serving as a link between the Church and the academic community. This is the latest of many books that he has written about science and religion for the general public.
The Heritage of a Great Man
Why did communism grow deep roots and survive in China, while it withered and died in Russia? This is one of the central questions of modern history. A plausible answer to the question is that communism in China resonated with the two-thousand-year-old Confucian tradition of the wise ruler governing a harmonious society of peaceful citizens, while communism in Russia was undermined by the Russian tradition of ruthless tsars like Ivan the Terrible ruling a lawless society of oligarchs and serfs.
How to Dispel Your Illusions
In 1955, when Daniel Kahneman was twenty-one years old, he was a lieutenant in the Israeli Defense Forces. He was given the job of setting up a new interview system for the entire army. The purpose was to evaluate each freshly drafted recruit and put him or her into the appropriate slot in the war machine. The interviewers were supposed to predict who would do well in the infantry or the artillery or the tank corps or the various other branches of the army.
Matthew Dentith, The Curious Case of Freeman Dyson and the Paranormal - PhilPapers
Authors Abstract Michael Shermer recently attacked Freeman Dyson for putting forward the claim that there might be something in paranormal claims after all. Whilst I agree with Shermer on many points, I do think you can put forward a plausible theory as to why the Natural Sciences may not describe all phenomena, and that the undescribed phenomena might well be called 'paranormal' because of it.
Francis Bacon & the Frozen Chicken
Francis Bacon & the Frozen Chicken In response to: The Dream of Scientific Brotherhood from the May 10, 2007 issue To the Editors: Rather than, as Freeman Dyson says [“The Dream of Scientific Brotherhood,” NYR, May 10], being someone who “never did an experiment,” Francis Bacon did at least one, and it killed him.
Max Planck: The Tragic Choices
In the summer of 1946, as soon as possible after the end of World War II, the Royal Society of London organized a celebration for the three hundredth birthday of Isaac Newton. Newton was born on Christmas Day 1642, laid the foundations of modern physics with his masterpiece, Mathematical Principles of Natural Philosophy, in 1686, and served as president of the Royal Society from 1703 until his death in 1727. The birthday party had been postponed because of the war.
Stardust by Freeman Dyson
When we see things for the first time, the pictures are always a surprise. Nature’s imagination is richer than ours. We imagine things to be simple and Nature makes them complicated. In Expanding Universe, a magnificent selection of pictures taken by cameras on the Hubble Space Telescope, the big surprise is dust. We imagined a universe of stars and galaxies gleaming brightly against a black sky.
Books in brief | Nature
Books in brief Nature volume 521, page 421 (2015)Cite this article 2944 Accesses 7 Altmetric Metrics details Subjects Barbara Kiser reviews five of the week's best science picks. On the Edge: The State and Fate of the World's Tropical Rainforests Claude Martin Greystone (2015) 9781771641401 | ISBN: 978-1-7716-4140-1 However crucial in terms of biodiversity, climate moderation and the carbon cycle, rainforests are at bay. Almost one-fifth of the Amazon, for instance, has been lost over 50 years.
Einstein as a Jew and a Philosopher
Ferdinand Schmutzer/Austrian National Library/Anzenberger/Redux Albert Einstein, Vienna, 1921 Why would anybody want to write another book about Albert Einstein? Why would anybody want to read it? These are two separate questions, but both of them have satisfactory answers. In spite of the large number of books already written about Einstein, there is still room for one more. There were several good reasons for writing this book.
Freeman Dyson, Author Of 'Dreams Of Earth And Sky' : NPR
Freeman Dyson is one of the most famous names in science, and sometimes one of the most controversial. Dyson is 91 and was one of the British scientists who helped win World War II. He spent most years since as a professor of physics at the Institute for Advanced Study in Princeton, New Jersey.
Einstein as a Jew and a Philosopher
Why would anybody want to write another book about Albert Einstein? Why would anybody want to read it? These are two separate questions, but both of them have satisfactory answers. In spite of the large number of books already written about Einstein, there is still room for one more. There were several good reasons for writing this book.
Is the Mysterious Light on This Dwarf Planet a Sign of Life?
A NASA spacecraft has detected strange bright spots on the surface of Ceres, the dwarf planet it is expected to begin orbiting on Friday. The early images are just a frustrating teaser.
Scientist, Spy, Genius: Who Was Bruno Pontecorvo?
“I want to die as a great scientist, not as your fucked spy.” These words were spoken in Russian by Bruno Pontecorvo a year before his death in 1993, in reply to a Russian government official who was trying to arrange for a visiting historian to interview him. They come as close as Pontecorvo ever came to confirming the widespread belief that he had been spying for the Soviet Union when he was working at the Canadian nuclear reactor project in the 1940s.
Oppenheimer: The Shape of Genius | Freeman Dyson
Why another book about Robert Oppenheimer? Many books have been written and widely read, ranging from the impressionistic Lawrence and Oppenheimer of Nuel Pharr Davis to the scholarly American Prometheus of Kai Bird and Martin Sherwin. Ray Monk says he wrote his book because the others gave too much weight to Oppenheimer’s politics and too little weight to his science.
Death of a Project
eLetters is an online forum for ongoing peer review. Submission of eLetters are open to all. eLetters are not edited, proofread, or indexed. Please read our Terms of Service before submitting your own eLetter.
What Can You Really Know? | Freeman Dyson
Jim Holt’s Why Does the World Exist?: An Existential Detective Story is a portrait gallery of leading modern philosophers. He visited each of them in turn, warning them in advance that he was coming to discuss with them a single question: “Why is there something rather than nothing?” He reports their reactions to this question, and embellishes their words with descriptions of their habits and personalities.
Freeman Dyson's Interview
Freeman Dyson: I’m Freeman Dyson, F-R-E-E-M-A-N D-Y-S-O-N, retired professor of physics at the Institute for Advanced Study in Princeton. Cynthia Kelly: Why don’t we start with your experience in World War II? Maybe you could tell us what your role was. Dyson: In World War II, I was given the job of operations research, which is really just a polite way of saying statistician. I was collecting information about the operations of the British bomber command.
TOP 25 QUOTES BY FREEMAN DYSON (of 228)
Latest quotes from interviews "It's us that's really amazing. As far as I can see, our concentration of different abilities in one species - there's nothing I can see that in this Darwinian evolution that could've done that. So it seems to be a miracle of some sort." Freeman Dyson Born: December 15, 1923 Occupation: Physicist Cite this Page: Citation
Our Biotech Future | Freeman Dyson
It has become part of the accepted wisdom to say that the twentieth century was the century of physics and the twenty-first century will be the century of biology. Two facts about the coming century are agreed on by almost everyone. Biology is now bigger than physics, as measured by the size of budgets, by the size of the workforce, or by the output of major discoveries; and biology is likely to remain the biggest part of science through the twenty-first century.
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