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Belated Decision in the Hilbert-Einstein Priority Dispute
(10). As described above, the severely opis- Dinosauria (Univ. of California Press, Berkeley, CA, However, the overall similarity of the pelvis of Archae- 1990). opteryx to those of the enantiornithine birds, espe- thopubic condition of their pelvis is consis- 10. L. Hou, L. D. Martin, Z. Zhou, A. Feduccia, Science cially the presence of the hypopubic cup, as well as tent with the notion that these birds roost- 274, 1164 (1996). the morphology of the London and Berlin Archae- ed in trees. In contrast, based primarily on 11. Q. Ji and S. Ji, Chin. Geol. 10, 30 (1996); see also V. opteryx specimens, offer support for our interpreta- disputed measurements of claw curvature, Morell, Audubon 99, 36 (1997). tion of the pelvic structure of these early birds [L. D. 12. Rather than representing primitive archosaurian Martin, in Origin of the Higher Groups of Tetrapods, Archaeopteryx has been interpreted as structures, it is probable that the hepatic-piston dia- H. P. Schultze and L. Trueb, Eds. (Cornell Univ. adapted primarily for a terrestrial rather phragm systems in crocodilians and theropods are Press, Ithaca, NY, 1991), pp. 485–540. than an arboreal existence (18). However, convergently derived. Pelvic anatomy in early “pro- 18. D. S. Peters and E. Go¨ rgner, in Proceedings of the II todinosaurs” such as Lagosuchus, as well as in all International Symposium of Avian Paleontology, K. as in the enantiornithines, the morphology ornithischian dinosaurs, shows no evidence of the Campbell, Ed. (Los Angeles Museum of Natural His- of Archaeopteryx’s pelvis is best interpreted pubis having served as a site of origin for similar tory Press, Los Angeles, CA, 1992), pp. -
WINTER 2013 - Volume 60, Number 4 the Air Force Historical Foundation Founded on May 27, 1953 by Gen Carl A
WINTER 2013 - Volume 60, Number 4 WWW.AFHISTORICALFOUNDATION.ORG The Air Force Historical Foundation Founded on May 27, 1953 by Gen Carl A. “Tooey” Spaatz MEMBERSHIP BENEFITS and other air power pioneers, the Air Force Historical All members receive our exciting and informative Foundation (AFHF) is a nonprofi t tax exempt organization. Air Power History Journal, either electronically or It is dedicated to the preservation, perpetuation and on paper, covering: all aspects of aerospace history appropriate publication of the history and traditions of American aviation, with emphasis on the U.S. Air Force, its • Chronicles the great campaigns and predecessor organizations, and the men and women whose the great leaders lives and dreams were devoted to fl ight. The Foundation • Eyewitness accounts and historical articles serves all components of the United States Air Force— Active, Reserve and Air National Guard. • In depth resources to museums and activities, to keep members connected to the latest and AFHF strives to make available to the public and greatest events. today’s government planners and decision makers information that is relevant and informative about Preserve the legacy, stay connected: all aspects of air and space power. By doing so, the • Membership helps preserve the legacy of current Foundation hopes to assure the nation profi ts from past and future US air force personnel. experiences as it helps keep the U.S. Air Force the most modern and effective military force in the world. • Provides reliable and accurate accounts of historical events. The Foundation’s four primary activities include a quarterly journal Air Power History, a book program, a • Establish connections between generations. -
The Development of Military Nuclear Strategy And
The Development of Military Nuclear Strategy and Anglo-American Relations, 1939 – 1958 Submitted by: Geoffrey Charles Mallett Skinner to the University of Exeter as a thesis for the degree of Doctor of Philosophy in History, July 2018 This thesis is available for Library use on the understanding that it is copyright material and that no quotation from the thesis may be published without proper acknowledgement. I certify that all material in this thesis which is not my own work has been identified and that no material has previously been submitted and approved for the award of a degree by this or any other University. (Signature) ……………………………………………………………………………… 1 Abstract There was no special governmental partnership between Britain and America during the Second World War in atomic affairs. A recalibration is required that updates and amends the existing historiography in this respect. The wartime atomic relations of those countries were cooperative at the level of science and resources, but rarely that of the state. As soon as it became apparent that fission weaponry would be the main basis of future military power, America decided to gain exclusive control over the weapon. Britain could not replicate American resources and no assistance was offered to it by its conventional ally. America then created its own, closed, nuclear system and well before the 1946 Atomic Energy Act, the event which is typically seen by historians as the explanation of the fracturing of wartime atomic relations. Immediately after 1945 there was insufficient systemic force to create change in the consistent American policy of atomic monopoly. As fusion bombs introduced a new magnitude of risk, and as the nuclear world expanded and deepened, the systemic pressures grew. -
September 2020
Page: 1 Redox D.A.S. Artist List for period: 01.09.2020 - 30.09.2020 Date time: Number: Title: Artist: Publisher Lang: 01.09.2020 00:03:05 HD 028096 IT DON'T MAKE ANY DIFFERENCE TO MEKEVIN MICHAEL FEAT. WYCLEF ATLANTIC 00:03:43 ANG 01.09.2020 00:06:46 HD 002417 KAMOR ME VODI SRCE NUŠA DERENDA RTVS 00:03:16 SLO 01.09.2020 00:10:09 HD 020765 THE MIDNIGHT SPECIAL CREEDENCE CLEARWATER REVIVAL ZYX MUSIC 00:04:09 ANG 01.09.2020 00:14:09 HD 029892 ZABAVA TURBO ANGELS RTS 00:02:59 SLO 01.09.2020 00:17:06 HD 069164 KILOGRAM NA DAN VICTORY 00:03:20 SLO 01.09.2020 00:20:42 HD 015945 SOMEBODY TO LOVE JEFFERSON AIRPLANE BMG, POLYGRAM,00:02:56 SONY ANG 01.09.2020 00:23:36 HD 054272 UBRANO JAMRANJE ŠALEŠKI ŠTUDENTSKI OKTET 00:05:54 SLO 01.09.2020 00:29:31 HD 004863 RELIGIJA LJUBEZNI REGINA MEGATON 00:03:00 SLO 01.09.2020 00:32:35 HD 017026 F**K IT FLORIDA INC KONTOR 00:03:59 ANG 01.09.2020 00:36:32 HD 028307 BOBMBAY DREAMS ARASH FEAT REBECCA AND ANEELA ORPHEUS MUSIC00:02:51 ANG 01.09.2020 00:39:23 HD 029465 DUM, DUM, DUM POP DESIGN 00:04:02 SLO 01.09.2020 00:43:35 HD 025553 I WANT YOU TO WANT ME CHRIS ISAAK REPRISE 00:03:17 ANG 01.09.2020 00:46:50 HD 037378 KOM TIMOTEIJ UNIVERSAL 00:02:56 ŠVEDSKI 01.09.2020 00:49:46 HD 017718 VSE (REMIX) ANJA RUPEL DALLAS 00:03:59 SLO 01.09.2020 00:53:51 HD 012771 YOU ARE MY NUMBER ONE SMASH MOUTH INTERSCOPE00:02:28 ANG 01.09.2020 00:56:17 HD 021554 39,2 CECA CECA MUSIC00:05:49 SRB 01.09.2020 01:02:04 HD 024103 ME SPLOH NE BRIGA ROGOŠKA SLAVČKA 00:03:13 SLO 01.09.2020 01:05:47 HD 002810 TOGETHER FOREVER RICK ASTLEY -
Einstein's Life and Legacy
Reflections Einstein's Life and Legacy Introduction Albert Einstein is the most luminous scientist of the past century, and ranks with Isaac Newton as one among the greatest physicists of all time. There is an enormous amount of material to choose from in talking about Einstein. He is without doubt also the most written about scientist of the past century, may be of all time. The Einstein Archives contain about 43,000 documents, and so far as I know the "Collected Papers of Albert Einstein" have only come upto 1917 with Volume 8 in English translation; another 32 volumes remain to be produced. In the face of all this, this account must be severely selective, and coherent as well. Einstein's life was incredibly rich and intense in the intellectual sense. This will become clear as I go along. In any case let me begin by presenting in Box 1 a brieflisting of a few important dates in his life, howsoever inadequate it may be. He was scientifically active essentially from 1902 upto 1935 at the highest imaginable levels, thus for more than three decades. The Miraculous Year Now let us turn to technical matters. First, a brief mention of his creative outburst of 1905, whose centenary we are celebrating this year. There were four fundamental papers, and the doctoral thesis, all in the six months from March to September. The first paper on the light quantum concept and explanation of the photo electric effect was submitted to Annalen der Physik in March; the second on Brownian Motion in May; and the third setting out the Special Theory of Relativity in June. -
I. I. Rabi Papers [Finding Aid]. Library of Congress. [PDF Rendered Tue Apr
I. I. Rabi Papers A Finding Aid to the Collection in the Library of Congress Manuscript Division, Library of Congress Washington, D.C. 1992 Revised 2010 March Contact information: http://hdl.loc.gov/loc.mss/mss.contact Additional search options available at: http://hdl.loc.gov/loc.mss/eadmss.ms998009 LC Online Catalog record: http://lccn.loc.gov/mm89076467 Prepared by Joseph Sullivan with the assistance of Kathleen A. Kelly and John R. Monagle Collection Summary Title: I. I. Rabi Papers Span Dates: 1899-1989 Bulk Dates: (bulk 1945-1968) ID No.: MSS76467 Creator: Rabi, I. I. (Isador Isaac), 1898- Extent: 41,500 items ; 105 cartons plus 1 oversize plus 4 classified ; 42 linear feet Language: Collection material in English Location: Manuscript Division, Library of Congress, Washington, D.C. Summary: Physicist and educator. The collection documents Rabi's research in physics, particularly in the fields of radar and nuclear energy, leading to the development of lasers, atomic clocks, and magnetic resonance imaging (MRI) and to his 1944 Nobel Prize in physics; his work as a consultant to the atomic bomb project at Los Alamos Scientific Laboratory and as an advisor on science policy to the United States government, the United Nations, and the North Atlantic Treaty Organization during and after World War II; and his studies, research, and professorships in physics chiefly at Columbia University and also at Massachusetts Institute of Technology. Selected Search Terms The following terms have been used to index the description of this collection in the Library's online catalog. They are grouped by name of person or organization, by subject or location, and by occupation and listed alphabetically therein. -
Einstein and Hilbert: the Creation of General Relativity
EINSTEIN AND HILBERT: THE CREATION OF GENERAL RELATIVITY ∗ Ivan T. Todorov Institut f¨ur Theoretische Physik, Universit¨at G¨ottingen, Friedrich-Hund-Platz 1 D-37077 G¨ottingen, Germany; e-mail: [email protected] and Institute for Nuclear Research and Nuclear Energy, Bulgarian Academy of Sciences Tsarigradsko Chaussee 72, BG-1784 Sofia, Bulgaria;∗∗e-mail: [email protected] ABSTRACT It took eight years after Einstein announced the basic physical ideas behind the relativistic gravity theory before the proper mathematical formulation of general relativity was mastered. The efforts of the greatest physicist and of the greatest mathematician of the time were involved and reached a breathtaking concentration during the last month of the work. Recent controversy, raised by a much publicized 1997 reading of Hilbert’s proof- sheets of his article of November 1915, is also discussed. arXiv:physics/0504179v1 [physics.hist-ph] 25 Apr 2005 ∗ Expanded version of a Colloquium lecture held at the International Centre for Theoretical Physics, Trieste, 9 December 1992 and (updated) at the International University Bremen, 15 March 2005. ∗∗ Permanent address. Introduction Since the supergravity fashion and especially since the birth of superstrings a new science emerged which may be called “high energy mathematical physics”. One fad changes the other each going further away from accessible experiments and into mathe- matical models, ending up, at best, with the solution of an interesting problem in pure mathematics. The realization of the grand original design seems to be, decades later, nowhere in sight. For quite some time, though, the temptation for mathematical physi- cists (including leading mathematicians) was hard to resist. -
Leo Szilard in Physics and Information By
Leo Szilard in Physics and Information by Richard L. Garwin IBM Fellow Emeritus IBM Thomas J. Watson Research Center P.O. Box 218, Yorktown Heights, NY 10598 www.fas.org/RLG/ Email: [email protected] Presented in the invited APS session R17 “The Many Worlds of Leo Szilard” Savannah, Georgia April 7, 2014 at 11:21 AM _04/07/2014 Leo Szilard in Physics and Information.doc 1 Abstract: The excellent biography1 by William Lanouette, ``Genius in the Shadows,'' tells it the way it was, incredible though it may seem. The 1972 ``Collected Works of Leo Szilard: Scientific Papers,'' Bernard T. Feld and Gertrud W. Szilard, Editors, gives the source material both published and unpublished. Szilard's path-breaking but initially little-noticed 1929 paper, ``On the Decrease of Entropy in a Thermodynamic System by the Intervention of Intelligent Beings'' spawned much subsequent research. It connected what we now call a bit of information with a quantity k ln 2 of entropy, and showed that the process of acquiring, exploiting, and resetting this information in a one-molecule engine must dissipate at least kT ln 2 of energy at temperature T. His 1925 paper, ``On the Extension of Phenomenological Thermodynamics to Fluctuation Phenomena,'' showed that fluctuations were consistent with and predicted from equilibrium thermodynamics and did not depend on atomistic theories. His work on physics and technology, demonstrated an astonishing range of interest, ingenuity, foresight, and practical sense. I illustrate this with several of his fundamental contributions to nuclear physics, to the neutron chain reaction and to nuclear reactors, and also to electromagnetic pumping of liquid metals. -
From Atomic Energy for Military Purposes
Atomic Energy for Military Purposes The Official Report on the Development of the Atomic Bomb Under the Auspices of the United States Government (The Smyth Report) By Henry De Wolf Smyth Published 1945 CHAPTER XII: THE WORK ON THE ATOMIC BOMB THE OBJECTIVE 12.1. The entire purpose of the work described in the preceding chapters was to explore the possibility of creating atomic bombs and to produce the concentrated fissionable materials which would be required in such bombs. In the present chapter, the last stage of the work will be described - the development at Los Alamos of the atomic bomb itself. As in other parts of the project, there are two phases to be considered: the organization, and the scientific and technical work itself. The organization will be described briefly; the remainder of the chapter will be devoted to the scientific and technical problems. Security considerations prevent a discussion of many of the most important phases of this work. HISTORY AND ORGANIZATION 12.2. The project reorganization that occurred at the beginning of 1942, and the subsequent gradual transfer of the work from OSRD auspices to the Manhattan District have been described in Chapter V. It will be recalled that the responsibilities of the Metallurgical Laboratory at Chicago originally included a preliminary study of the physics of the atomic bomb. Some such studies were made in 1941; and early in 1942 G. Breit got various laboratories (see Chapter VI, paragraph 6.38) started on the experimental study of problems that had to be solved before progress could be made on bomb design. -
EUGENE PAUL WIGNER November 17, 1902–January 1, 1995
NATIONAL ACADEMY OF SCIENCES E U G ENE PAUL WI G NER 1902—1995 A Biographical Memoir by FR E D E R I C K S E I T Z , E RICH V OG T , A N D AL V I N M. W E I NBER G Any opinions expressed in this memoir are those of the author(s) and do not necessarily reflect the views of the National Academy of Sciences. Biographical Memoir COPYRIGHT 1998 NATIONAL ACADEMIES PRESS WASHINGTON D.C. Courtesy of Atoms for Peace Awards, Inc. EUGENE PAUL WIGNER November 17, 1902–January 1, 1995 BY FREDERICK SEITZ, ERICH VOGT, AND ALVIN M. WEINBERG UGENE WIGNER WAS A towering leader of modern physics Efor more than half of the twentieth century. While his greatest renown was associated with the introduction of sym- metry theory to quantum physics and chemistry, for which he was awarded the Nobel Prize in physics for 1963, his scientific work encompassed an astonishing breadth of sci- ence, perhaps unparalleled during his time. In preparing this memoir, we have the impression we are attempting to record the monumental achievements of half a dozen scientists. There is the Wigner who demonstrated that symmetry principles are of great importance in quan- tum mechanics; who pioneered the application of quantum mechanics in the fields of chemical kinetics and the theory of solids; who was the first nuclear engineer; who formu- lated many of the most basic ideas in nuclear physics and nuclear chemistry; who was the prophet of quantum chaos; who served as a mathematician and philosopher of science; and the Wigner who was the supervisor and mentor of more than forty Ph.D. -
Gregg Herken Papers, Circa 1980-1990
Gregg Herken Papers, circa 1980-1990 Finding aid prepared by Smithsonian Institution Archives Smithsonian Institution Archives Washington, D.C. Contact us at [email protected] Table of Contents Collection Overview ........................................................................................................ 1 Administrative Information .............................................................................................. 1 Descriptive Entry.............................................................................................................. 1 Names and Subjects ...................................................................................................... 1 Container Listing ............................................................................................................. 3 Gregg Herken Papers https://siarchives.si.edu/collections/siris_arc_252109 Collection Overview Repository: Smithsonian Institution Archives, Washington, D.C., [email protected] Title: Gregg Herken Papers Identifier: Accession 96-060 Date: circa 1980-1990 Extent: 2 cu. ft. (2 record storage boxes) Creator:: Herken, Gregg, 1947- Language: Language of Materials: English Administrative Information Prefered Citation Smithsonian Institution Archives, Accession 96-060, Gregg Herken Papers Access Restriction Donor permission required, Transferring office; 2/8/1996 Agreement of Transfer; Contact reference staff for details. Descriptive Entry This accession consists personal papers created by military historian Gregg Herken, Chairman of -
Undergraduate Lecture Notes in Physics
Undergraduate Lecture Notes in Physics Series Editors Neil Ashby William Brantley Michael Fowler Michael Inglis Elena Sassi Helmy S. Sherif Heinz Klose For further volumes: http://www.springer.com/series/8917 Undergraduate Lecture Notes in Physics (ULNP) publishes authoritative texts covering topics throughout pure and applied physics. Each title in the series is suitable as a basis for undergraduate instruction, typically containing practice problems, worked examples, chapter summaries, and suggestions for further reading. ULNP titles must provide at least one of the following: • An exceptionally clear and concise treatment of a standard undergraduate subject. • A solid undergraduate-level introduction to a graduate, advanced, or non-stan- dard subject. • A novel perspective or an unusual approach to teaching a subject. ULNP especially encourages new, original, and idiosyncratic approaches to physics teaching at the undergraduate level. The purpose of ULNP is to provide intriguing, absorbing books that will continue to be the reader’s preferred reference throughout their academic career. Series Editors Neil Ashby Professor, Professor Emeritus, University of Colorado, Boulder, CO, USA William Brantley Professor, Furman University, Greenville, SC, USA Michael Fowler Professor, University of Virginia, Charlottesville, VA, USA Michael Inglis Professor, SUNY Suffolk County Community College, Selden, NY, USA Elena Sassi Professor, University of Naples Federico II, Naples, Italy Helmy Sherif Professor Emeritus, University of Alberta, Edmonton, AB, Canada Bruce Cameron Reed The History and Science of the Manhattan Project 123 Bruce Cameron Reed Department of Physics Alma College Alma, MI USA ISSN 2192-4791 ISSN 2192-4805 (electronic) ISBN 978-3-642-40296-8 ISBN 978-3-642-40297-5 (eBook) DOI 10.1007/978-3-642-40297-5 Springer Heidelberg New York Dordrecht London Library of Congress Control Number: 2013946925 Ó Springer-Verlag Berlin Heidelberg 2014 This work is subject to copyright.