Mathematical Anthropology and Cultural Theory
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Carl Sagan's Groovy Cosmos
CARL SAGAN’S GROOVY COSMOS: PUBLIC SCIENCE AND AMERICAN COUNTERCULTURE IN THE 1970S By SEAN WARREN GILLERAN A thesis submitted in partial fulfillment of the requirements for the degree of MASTER OF ARTS IN HISTORY WASHINGTON STATE UNIVERSITY Department of History MAY 2017 © Copyright by SEAN WARREN GILLERAN, 2017 All Rights Reserved © Copyright by SEAN WARREN GILLERAN, 2017 All Rights Reserved To the Faculty of Washington State University: The members of the Committee appointed to examine the thesis of SEAN WARREN GILLERAN find it satisfactory and recommend that it be accepted. _________________________________ Matthew A. Sutton, Ph.D., Chair _________________________________ Jeffrey C. Sanders, Ph.D. _________________________________ Lawrence B. A. Hatter, Ph.D. ii ACKNOWLEDGEMENT This thesis has been years in the making and is the product of input from many, many different people. I am grateful for the support and suggestions of my committee—Matt Sutton, Jeff Sanders, and Lawrence Hatter—all of whom have been far too patient, kind, and helpful. I am also thankful for input I received from Michael Gordin at Princeton and Helen Anne Curry at Cambridge, both of whom read early drafts and proposals and both of whose suggestions I have been careful to incorporate. Catherine Connors and Carol Thomas at the University of Washington provided much early guidance, especially in terms of how and why such a curious topic could have real significance. Of course, none of this would have happened without the support of Bruce Hevly, who has been extraordinarily generous with his time and whose wonderful seminars and lectures have continued to inspire me, nor without Graham Haslam, who is the best teacher and the kindest man I have ever known. -
Exotic Beasts
Searching for Extraterrestrial Intelligence Beyond the Milky Way The first Swedish SETI project Erik Zackrisson Department of Astronomy Oskar Klein Centre Searching for Extraterrestrial Intelligence (SETI) – A Brief History I • 1959 – Cocconi & Morrison (Nature): ”Try the hydrogen frequency (1.42 GHz)” • 1960 – Project Ozma • 1961 – Schwartz & Townes (Nature): ”Try optical laser” • 1977 – The Wow signal Searching for Extraterrestrial Intelligence (SETI) – A Brief History II • 1984 – The SETI Institute • Late 1990s – Optical SETI becomes popular • 1999 – SETI@home • 2007 – Allen Telescope Array • 2012 – SETI Live The Fermi Paradox • No signals from E.T. despite 50 years of SETI • The Milky Way can be colonized in 1% of its current age – why are we not already colonized? • Where is everybody? 50+ possible solutions are known (e.g. Brin 1983, Webb 2002) A Few Possible Explanations • Everybody is staying at home and nobody is transmitting – Virtual worlds more exciting than space exploration? – Berserkers Transmission = Doom • Wrong search strategy – Try artefacts, Bracewell probes, IR laser, internet, DNA, Dyson spheres… • Intelligent life is extremely rare – Try extragalactic SETI Beyond the Milky Way • Carl Sagan: ”More stars in the Universe than grains of sand on all the beaches on Earth” • Stars in Milky Way 1011 • Stars in observable Universe 1023 Only a handful of extragalactic SETI projects carried out so far! Earth-like planets in a cosmological context I Millenium simulation + Semi-analytic galaxy models + Metallicity-dependent -
The Types of Natural Resources on Terrestrial Planets And
OPEN ACCESS Freely available online Jounal of Astrobiology &Outreach Review Article The Types of Natural Resources on Terrestrial Planets and Extraterrestrial Civilizations * Hadi Veysi Department of Agroecology, University of Shahid Beheshti, Tehran, Iran ABSTRACT In addition to energy resources, natural resources such as metals, metalloids, non-metals, hydrocarbons, etc. are among the elements needed for the creation of a civilization. One of the important debates about intelligent life is to know how extraterrestrial civilizations provide the energy and natural resources needed for their development. Previous studies have not discussed much about the ways which intelligent civilizations can access their energy and natural resources. This study discussed the types of natural resources on terrestrial planets and the types of extraterrestrial civilizations that could use them. The results showed that the type of natural resources in terrestrial planets depends on the amount of liquid water, crust lithology, tectonics style, and the presence of microorganisms on the surface of these planets. Among all types of terrestrial planets, plate tectonics style silicate planets have the most complete natural resources. So these planets can be good targets for the natural resources supply of hominid and superhuman extraterrestrial civilizations. Other terrestrial planets such as carbon planets, coreless planets, iron planets, moons and icy dwarf planets, and even gaseous giant planets, although not be civilizable, but have large natural resources that can be used by superhuman civilizations. Keywords: Kardashev scale; Terrestrial planets; Natural resources ABBREVIATION elements, hydrocarbons, etc. to the manufacturing of tools and machines. These resources are found abundantly in terrestrial Li: Lithium, Be: Beryllium, Na: Sodium, Mg: Magnesium, planets, and natural resources very easier extracted from terrestrial Al: Aluminium, K: Potassium, Ca: Calcium, Sc: Scandium, planets than the other cosmic bodies, such as the stars. -
Carl Sagan: the People’S Astronomer by David Morrison, NASA, Ames Research Center
Carl Sagan: The People’s Astronomer by David Morrison, NASA, Ames Research Center Introduction Carl Sagan was the world’s best known scientist in the late 20th century, serving as our guide to the planets during the golden age of solar system exploration. He was both a visionary and a committed defender of rational scientific thinking. For a time, he transcended the usual categories of academics to become a true celebrity. His life illustrates both the advantages (wealth, fame, access to the seats of power) and burdens (loss of privacy, stress, criticism from academic colleagues) this status implies. Sagan was propelled on his academic and public careers by a wealth of talent, a large share of good luck, and an intensely focused drive to succeed. His lifelong quest was to understand the universe, especially our planetary system, and to communicate the thrill of scientific discovery to others. A natural teacher, he loved to explain things and never made a questioner feel stupid for asking. Although Sagan had broad intellectual interests, his pursuit of his career left little time for other activities: he did not play golf or follow sports, take up painting or cooking or photography, sing or play a musical instrument, join a church or synagogue, or watch much television or movies. His first two wives complained that he devoted insufficient time to his marriage or his children (1). It is perhaps a matter of personal taste whether we attribute this drive to personal ego or a genuine commitment to educate and inspire people about science. Undoubtedly there were elements of both motivations present. -
DIRECT FUSION DRIVE for Interstellar Exploration S.A
Journal of the British Interplanetary Society VOLUME 72 NO.2 FEBRUARY 2019 General interstellar issue DIRECT FUSION DRIVE for Interstellar Exploration S.A. Cohen et al. INTERMEDIATE BEAMERS FOR STARSHOT: Probes to the Sun’s Inner Gravity Focus James Benford & Gregory Matloff REALITY, THE BREAKTHROUGH INITIATIVES and Prospects for Colonization of Space Edd Wheeler A GRAVITATIONAL WAVE TRANSMITTER A.A. Jackson and Gregory Benford CORRESPONDENCE www.bis-space.com ISSN 0007-084X PUBLICATION DATE: 29 APRIL 2019 Submitting papers International Advisory Board to JBIS JBIS welcomes the submission of technical Rachel Armstrong, Newcastle University, UK papers for publication dealing with technical Peter Bainum, Howard University, USA reviews, research, technology and engineering in astronautics and related fields. Stephen Baxter, Science & Science Fiction Writer, UK James Benford, Microwave Sciences, California, USA Text should be: James Biggs, The University of Strathclyde, UK ■ As concise as the content allows – typically 5,000 to 6,000 words. Shorter papers (Technical Notes) Anu Bowman, Foundation for Enterprise Development, California, USA will also be considered; longer papers will only Gerald Cleaver, Baylor University, USA be considered in exceptional circumstances – for Charles Cockell, University of Edinburgh, UK example, in the case of a major subject review. Ian A. Crawford, Birkbeck College London, UK ■ Source references should be inserted in the text in square brackets – [1] – and then listed at the Adam Crowl, Icarus Interstellar, Australia end of the paper. Eric W. Davis, Institute for Advanced Studies at Austin, USA ■ Illustration references should be cited in Kathryn Denning, York University, Toronto, Canada numerical order in the text; those not cited in the Martyn Fogg, Probability Research Group, UK text risk omission. -
Alien Civilizations
ALIEN CIVILIZATIONS What is Panspermia? Panspermia, pan meaning ‘all’, and sperma, meaning ‘seed’ is the theory that life is present throughout the Universe, distributed by meteoroids, planetoids, asteroids, comets, and also by spacecraft, particularly in the form of microbes. The Panspermia theory proposes that the microbes (microscopic life forms) that can endure the effects of space, like for instance, extremophiles (microbes that can withstand extreme temperatures), get trapped in debris that is expelled into space after collisions between planetoids and small Solar System bodies that shelter life. Some of the organisms may be scattered dormant for some amount of time before randomly colliding with other planets or intermingling with planetary disks. If met with the ideal conditions on a new planet's surface, the organisms become active and the process of evolution begins. Panspermia is not meant to address how life began, just the method that may cause its distribution in the Universe. How civilizations are categorised based on their energy use (Type 1, 2 and 3) The Kardashev scale is used for measuring a civilization's level of technological advancement, based upon the total amount of energy a civilization utilizes. The scale is categorised into three types called Type 1, 2, and 3. A Type 1 civilization utilises every available resource existing on its home planet, Type 2 derives all the energy of its star, and Type 3 harnesses it from huge swathes of its galaxy. The scale is hypothetical, but it appropriately puts energy consumption in a cosmic perspective. It was first postulated in 1964 by the Soviet astronomer Nikolai Kardashev (Kardashyov). -
Long Futures and Type Iv Civilizations
PERIODICA POLYTECHNICA SER. SOC. MAN. SCI. VOL. 12, NO. 1, PP. 83–89 (2004) LONG FUTURES AND TYPE IV CIVILIZATIONS Zoltán GALÁNTAI Department of Innovation Studies and History of Technology Budapest University of Technology and Economics H–1111 Hungary, Budapest, Stoczek u. 2., bg. St., gfloor 7. Tel: (+36) 1 463–2141, Fax: (+36) 1 463–1412 e-mail: [email protected] Received: September 7, 2003 Abstract The emergence of the physical eschatology in the last decades led to an opportunity to ask questions about the fate of our Universe from a cosmologist’s point of view and to study mankind’s possible future on a cosmological scale, while we can define some theoretical limits of a civilization’s possible developments. Keywords: physical eschatology, Kardashev civilizations, Type IV civilization, criticism of Anthropic Cosmological Principle, artificial and natural signs. “Whether the details of my calculations turn out to be correct or not, I think I have shown that there are good scientific reasons for taking seriously the possibility that life and intelligence can succeed in mold- ing this universe of ours to their own purposes.” (Freeman Dyson: Time Without End: Physics and Biology in an Open Universe) 1. Introduction We could imagine a physicist floating in his laboratory in the outer space, far from any celestial body. That physicist would never discover the gravitational force without the closeness of big masses like our planet, wrote Astronomer Royal Sir Martin Rees, and similarly, the existence of some unknown forces is also imaginable, whose effects are not detectable on the scale of our Planetary System – but they would play an important role either in the centers of galaxies or in cosmology [1]. -
Carl Sagan 1934–1996
Carl Sagan 1934–1996 A Biographical Memoir by David Morrison ©2014 National Academy of Sciences. Any opinions expressed in this memoir are those of the author and do not necessarily reflect the views of the National Academy of Sciences. CARL SAGAN November 9, 1934–December 20, 1996 Awarded 1994 NAS Pubic Welfare Medal Carl Edward Sagan was a founder of the modern disci- plines of planetary science and exobiology (which studies the potential habitability of extraterrestrial environments for living things), and he was a brilliant educator who was able to inspire public interest in science. A visionary and a committed defender of rational scientific thinking, he transcended the usual categories of academia to become one of the world’s best-known scientists and a true celebrity. NASA Photo Courtesy of Sagan was propelled in his careers by a wealth of talent, By David Morrison a large share of good luck, and an intensely focused drive to succeed. His lifelong quests were to understand our plane- tary system, to search for life beyond Earth, and to communicate the thrill of scientific discovery to others. As an advisor to the National Aeronautics and Space Administration (NASA) and a member of the science teams for the Mariner, Viking, Voyager, and Galileo missions, he was a major player in the scientific exploration of the solar system. He was also a highly popular teacher, but his influence reached far beyond the classroom through his vivid popular writing and his mastery of the medium of television. The early years Born in 1934, Sagan grew up in a workingclass Jewish neighborhood of Brooklyn, New York, and attended public schools there and in Rahway, New Jersey. -
Incorporating Interstellar Communication Into the Classroom: the Pioneer 10 Plaque
Proceedings of the New York State Communication Association Volume 2016 74th Annual Convention of the New York State Communication Association Article 4 2017 Incorporating Interstellar Communication into the Classroom: The Pioneer 10 Plaque Matthew Petrunia Fashion Institute of Technology, SUNY, [email protected] Follow this and additional works at: https://docs.rwu.edu/nyscaproceedings Part of the Communication Commons Recommended Citation Petrunia, Matthew (2017) "Incorporating Interstellar Communication into the Classroom: The Pioneer 10 Plaque," Proceedings of the New York State Communication Association: Vol. 2016 , Article 4. Available at: https://docs.rwu.edu/nyscaproceedings/vol2016/iss1/4 This Great Ideas for Teachers is brought to you for free and open access by the Journals at DOCS@RWU. It has been accepted for inclusion in Proceedings of the New York State Communication Association by an authorized editor of DOCS@RWU. For more information, please contact [email protected]. Petrunia: Incorporating Interstellar Communication into the Classroom 2 G.I.F.T: Incorporating Interstellar Communication into the Classroom: The Pioneer 10 Plaque Courses: Introduction to Communication, Intercultural Communication Objectives: Upon completion of this activity, students should be able to: 1. Recognize communication’s interpretive nature using the Pioneer 10 interstellar message; 2. Identify the different ways people interpret the Pioneer 10 message elements; 3. Demonstrate how denotative and connotative meanings work in the Pioneer 10 message; 4. Appraise the sensitivity of the Pioneer 10 message pertaining to issues of gender and diversity; 5. Illustrate how the Pioneer 10 message applies to the Triangle of Meaning; and 6. Describe Pioneer 10 controversial elements. Rationale: In courses where I teach foundational communication theory and principles, I find it valuable to incorporate interstellar communication as a way to explain, illustrate, and problematize communication’s symbolic and interpretive nature. -
Industrial Production of Positronium and Its Uses
Journal of Space Philosophy 4, no. 2 (Fall 2015) Industrial Production of Positronium and Its Uses By William Mook Abstract Humanity is already a Kardashev Class 2 civilization on an instantaneous power basis.This article explores how humanity will make use of artificial solar flares to produce industrial quantities of positronium.This positronium will be used to make star travel with photon rockets commonplace. Keywords: Solar energy, Kardashev, antimatter, photon rocket, interstellar travel, relativistic rocket equation, star faring civilization. Introduction Prometheus was the Greek god of foresight, always thinking of the future.To that end he stole fire from the gods and brought fire to humanity on the Chariot of Helios, the Sun.This article explores a modern version of this legend, based firmly in modern day engineering and scientific understanding. Near term alternatives to humanity’s legacy power system must entail some low-cost nuclear source delivered at less than $0.01 per kWh to be competitive today. To support today’s industrial economy, and more importantly, end the use of legacy fuels extracted from deep within the Earth whilst depositing their exhaust in the atmosphere, which in the end returns Earth to the Carboniferous era, requires that we produce synfuels that the market readily accepts. Synfuels made from atmospheric carbon using hydrogen extracted from water with nuclear energy to produce hydrocarbon fuels everyone is familiar with fills this bill. This requires that 44.4 TW of primary nuclear energy be used to deliver synthetic secondary fuels at a rate of 14.8 TW all at a cost of less than $3.8 trillion per year. -
A4 3 Exoplanets, Life and Beyond
Journal of Physics Special Topics An undergraduate physics journal A4 3 Exoplanets, Life and Beyond J. Ford, P. Millington-Hotze, E. Monget, A. Blewitt, J. Finn, Department of Physics and Astronomy, University of Leicester, Leicester, LE1 7RH November 22, 2019 Abstract In 1964, Kardashev proposed a system classifying planets on their technological advancement through the use of energy on Earth. In this paper, by using the same methodology and exoplanet data, we attempt to create a more accurate and less anthropocentric system by suggesting a new threshold for a type-I civilisation. We employed data from 571 exoplanets and 661 stars to ascertain a new value of 1:12 × 1023 W for a type-1 civilisation. In doing this, we have formed an overgeneralised system that is overtaken in bias' towards common inhabitable planets such as \Hot Jupiters" and thereby anomalising Earth. Introduction pocentric and more available to future studies. The Kardashev scale is used by physicists and Method philosophers to quantify the development of alien civilisations and explore the evolution of Earth- Information on 3791 exoplanets and 661 host based technology. This scale allows physicists to stars was taken from the open exoplanet cat- interpret astronomical anomalies such as the un- alogue [3]. The catalogue lists confirmed and usual light fluctuations of Tabby's Star [1]. Kar- unconfirmed exoplanets, stars and systems de- dashev's scale involves three levels based on the tected by exoplanet surveys across the world energy available to the Earth from the Sun. This such as TRAPPIST and WASP. In this paper, makes the model anthropocentric and as such is we used only the data on the confirmed stars and not an accurate representation of other systems exoplanets. -
Kardashev's Classification at 50+: a Fine Vehicle with Room For
KARDASHEV’S CLASSIFICATION AT 50+: A FINE VEHICLE WITH ROOM FOR IMPROVEMENT M. M. Cirkovi´c´ 1,2 1Astronomical Observatory, Volgina 7, 11060 Belgrade 38, Serbia 2Future of Humanity Institute, Faculty of Philosophy, University of Oxford, Suite 8, Littlegate House, 16/17 St Ebbe’s Street, Oxford, OX1 1PT, UK E–mail: [email protected] (Received: November 27, 2015; Accepted: November 27, 2015) SUMMARY: We review the history and status of the famous classification of extraterrestrial civilizations given by the great Russian astrophysicist Nikolai Se- menovich Kardashev, roughly half a century after it has been proposed. While Kar- dashev’s classification (or Kardashev’s scale) has often been seen as oversimplified, and multiple improvements, refinements, and alternatives to it have been suggested, it is still one of the major tools for serious theoretical investigation of SETI issues. During these 50+ years, several attempts at modifying or reforming the classifica- tion have been made; we review some of them here, together with presenting some of the scenarios which present difficulties to the standard version. Recent results in both theoretical and observational SETI studies, especially the Gˆ infrared survey (2014-2015), have persuasively shown that the emphasis on detectability inherent in Kardashev’s classification obtains new significance and freshness. Several new move- ments and conceptual frameworks, such as the Dysonian SETI, tally extremely well with these developments. So, the apparent simplicity of the classification is highly deceptive: Kardashev’s work offers a wealth of still insufficiently studied method- ological and epistemological ramifications and it remains, in both letter and spirit, perhaps the worthiest legacy of the SETI “founding fathers”.