APS Membership Boosted by Student Sign-Ups Physics Newsmakers of 2013
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James Chadwick: Ahead of His Time
July 15, 2020 James Chadwick: ahead of his time Gerhard Ecker University of Vienna, Faculty of Physics Boltzmanngasse 5, A-1090 Wien, Austria Abstract James Chadwick is known for his discovery of the neutron. Many of his earlier findings and ideas in the context of weak and strong nuclear forces are much less known. This biographical sketch attempts to highlight the achievements of a scientist who paved the way for contemporary subatomic physics. arXiv:2007.06926v1 [physics.hist-ph] 14 Jul 2020 1 Early years James Chadwick was born on Oct. 20, 1891 in Bollington, Cheshire in the northwest of England, as the eldest son of John Joseph Chadwick and his wife Anne Mary. His father was a cotton spinner while his mother worked as a domestic servant. In 1895 the parents left Bollington to seek a better life in Manchester. James was left behind in the care of his grandparents, a parallel with his famous predecessor Isaac Newton who also grew up with his grandmother. It might be an interesting topic for sociologists of science to find out whether there is a correlation between children educated by their grandmothers and future scientific geniuses. James attended Bollington Cross School. He was very attached to his grandmother, much less to his parents. Nevertheless, he joined his parents in Manchester around 1902 but found it difficult to adjust to the new environment. The family felt they could not afford to send James to Manchester Grammar School although he had been offered a scholarship. Instead, he attended the less prestigious Central Grammar School where the teaching was actually very good, as Chadwick later emphasised. -
March 2018 New Releases
March 2018 New Releases what’s inside featured exclusives PAGE 3 RUSH Releases Vinyl Available Immediately! 59 Vinyl Audio 3 CD Audio 8 RICHIE KOTZEN - TONY MACALPINE - RANDY BRECKER QUINTET - FEATURED RELEASES TELECASTERS & DEATH OF ROSES LIVEAT SWEET BASIL 1988 STRATOCASTERS: Music Video KLASSIC KOTZEN DVD & Blu-ray 35 Non-Music Video DVD & Blu-ray 39 Order Form 65 Deletions and Price Changes 63 800.888.0486 THE SOULTANGLER KILLER KLOWNS FROM BRUCE’S DEADLY OUTER SPACE FINGERS 203 Windsor Rd., Pottstown, PA 19464 [BLU-RAY + DVD] DWARVES & THE SLOTHS - DUNCAN REID & THE BIG HEADS - FREEDOM HAWK - www.MVDb2b.com DWARVES MEET THE SLOTHS C’MON JOSEPHINE BEAST REMAINS SPLIT 7 INCH March Into Madness! MVD offers up a crazy batch of March releases, beginning with KILLER KLOWNS FROM OUTER SPACE! An alien invasion with a circus tent for a spaceship and Killer Klowns for inhabitants! These homicidal clowns are no laughing matter! Arrow Video’s exclusive deluxe treatment comes with loads of extras and a 4K restoration that will provide enough eye and ear candy to drive you insane! The derangement continues with HELL’S KITTY, starring a possessed cat who cramps the style of its owner, who is beginning a romantic relationship. Call a cat exorcist, because this fiery feline will do anything from letting its master get some pu---! THE BUTCHERING finds a serial killer returning to a small town for unfinished business. What a cut-up! The King of Creepy, CHRISTOPHER LEE, stars in the 1960 film CITY OF THE DEAD, given new life with the remastered treatment. -
Physics Connections
Charles Tracy L P S / y a a w s n e v a R n a v v e l t e D Physics connections Last year we celebrated the International Year of Physics — time and light. In particular, it described how space also known as Einstein Year. In the century since Einstein’s becomes distorted near a massive object such as a star, so that light follows a curved path rather than annus mirabilis (see CATALYST Vol. 16, No. 1) there has travelling in a straight line (Figure 1). been a revolution in the study of physics. This article explores Its publication in wartime and the fact that it was the links between some of the architects of this revolution. written in German meant that few people read it. However, one person who did read it was the British astronomer Arthur Eddington. The story goes that it was Eddington who brought Einstein to the world’s attention — though Einstein might have disagreed. instein did not become instantly famous in Eddington was a conscientious objector. As such, GCSE key words 1905; it took several years before he became a he should have spent the war in jail. Instead, he got Gravity Eglobal icon. In 1915, while Europe was caught official permission to prepare for a trip to observe a Alpha particle scattering up in the First World War, Einstein broadened his total eclipse of the Sun — a rare event. His intention Nuclear fission special theory of relativity. His general theory of was to verify Einstein’s general theory of relativity. -
Annual Report to Industry Canada Covering The
Annual Report to Industry Canada Covering the Objectives, Activities and Finances for the period August 1, 2008 to July 31, 2009 and Statement of Objectives for Next Year and the Future Perimeter Institute for Theoretical Physics 31 Caroline Street North Waterloo, Ontario N2L 2Y5 Table of Contents Pages Period A. August 1, 2008 to July 31, 2009 Objectives, Activities and Finances 2-52 Statement of Objectives, Introduction Objectives 1-12 with Related Activities and Achievements Financial Statements, Expenditures, Criteria and Investment Strategy Period B. August 1, 2009 and Beyond Statement of Objectives for Next Year and Future 53-54 1 Statement of Objectives Introduction In 2008-9, the Institute achieved many important objectives of its mandate, which is to advance pure research in specific areas of theoretical physics, and to provide high quality outreach programs that educate and inspire the Canadian public, particularly young people, about the importance of basic research, discovery and innovation. Full details are provided in the body of the report below, but it is worth highlighting several major milestones. These include: In October 2008, Prof. Neil Turok officially became Director of Perimeter Institute. Dr. Turok brings outstanding credentials both as a scientist and as a visionary leader, with the ability and ambition to position PI among the best theoretical physics research institutes in the world. Throughout the last year, Perimeter Institute‘s growing reputation and targeted recruitment activities led to an increased number of scientific visitors, and rapid growth of its research community. Chart 1. Growth of PI scientific staff and associated researchers since inception, 2001-2009. -
The Moral Basis of Family Relationships in the Plays of Shakespeare and His Contemporaries: a Study in Renaissance Ideas
The Moral Basis of Family Relationships in the plays of Shakespeare and his Contemporaries: a Study in Renaissance Ideas. A submission for the degree of doctor of philosophy by Stephen David Collins. The Department of History of The University of York. June, 2016. ABSTRACT. Families transact their relationships in a number of ways. Alongside and in tension with the emotional and practical dealings of family life are factors of an essentially moral nature such as loyalty, gratitude, obedience, and altruism. Morality depends on ideas about how one should behave, so that, for example, deciding whether or not to save a brother's life by going to bed with his judge involves an ethical accountancy drawing on ideas of right and wrong. It is such ideas that are the focus of this study. It seeks to recover some of ethical assumptions which were in circulation in early modern England and which inform the plays of the period. A number of plays which dramatise family relationships are analysed from the imagined perspectives of original audiences whose intellectual and moral worlds are explored through specific dramatic situations. Plays are discussed as far as possible in terms of their language and plots, rather than of character, and the study is eclectic in its use of sources, though drawing largely on the extensive didactic and polemical writing on the family surviving from the period. Three aspects of family relationships are discussed: first, the shifting one between parents and children, second, that between siblings, and, third, one version of marriage, that of the remarriage of the bereaved. -
Chem 103, Section F0F Unit I
Lecture 4 - Observations that Led to the Chem 103, Section F0F Nuclear Model of the Atom Unit I - An Overview of Chemistry Dalton’s theory proposed that atoms were indivisible particles. Lecture 4 • By the late 19th century, this aspect of Dalton’s theory was being challenged. • Work with electricity lead to the discovery of the electron, • Some observations that led to the nuclear model as a particle that carried a negative charge. for the structure of the atom • The modern view of the atomic structure and the elements • Arranging the elements into a (periodic) table 2 Lecture 4 - Observations that Led to the Lecture 4 - Observations that Led to the Nuclear Model of the Atom Nuclear Model of the Atom The cathode ray In 1897, J.J. Thomson (1856-1940) studies how cathode rays • Cathode rays were shown to be electrons are affected by electric and magnetic fields • This allowed him to determine the mass/charge ration of an electron Cathode rays are released by metals at the cathode 3 4 Lecture 4 - Observations that Led to the Lecture 4 - Observations that Led to the Nuclear Model of the Atom Nuclear Model of the Atom In 1897, J.J. Thomson (1856-1940) studies how cathode rays In 1897, J.J. Thomson (1856-1940) studies how cathode rays are affected by electric and magnetic fields are affected by electric and magnetic fields • Thomson estimated that the mass of an electron was less • Thomson received the 1906 Nobel Prize in Physics for his that 1/1000 the mass of the lightest atom, hydrogen!! work. -
Appendix E Nobel Prizes in Nuclear Science
Nuclear Science—A Guide to the Nuclear Science Wall Chart ©2018 Contemporary Physics Education Project (CPEP) Appendix E Nobel Prizes in Nuclear Science Many Nobel Prizes have been awarded for nuclear research and instrumentation. The field has spun off: particle physics, nuclear astrophysics, nuclear power reactors, nuclear medicine, and nuclear weapons. Understanding how the nucleus works and applying that knowledge to technology has been one of the most significant accomplishments of twentieth century scientific research. Each prize was awarded for physics unless otherwise noted. Name(s) Discovery Year Henri Becquerel, Pierre Discovered spontaneous radioactivity 1903 Curie, and Marie Curie Ernest Rutherford Work on the disintegration of the elements and 1908 chemistry of radioactive elements (chem) Marie Curie Discovery of radium and polonium 1911 (chem) Frederick Soddy Work on chemistry of radioactive substances 1921 including the origin and nature of radioactive (chem) isotopes Francis Aston Discovery of isotopes in many non-radioactive 1922 elements, also enunciated the whole-number rule of (chem) atomic masses Charles Wilson Development of the cloud chamber for detecting 1927 charged particles Harold Urey Discovery of heavy hydrogen (deuterium) 1934 (chem) Frederic Joliot and Synthesis of several new radioactive elements 1935 Irene Joliot-Curie (chem) James Chadwick Discovery of the neutron 1935 Carl David Anderson Discovery of the positron 1936 Enrico Fermi New radioactive elements produced by neutron 1938 irradiation Ernest Lawrence -
The Application of Music in Industry and Its Effect Upon the Morale and Efficiency of the Worker
r THE APPLICATION OF MUSIC IN INDUSTRY AND ITS EFFECT UPON THE MORALE AND EFFICIENCY OF THE WORKER by John H. ScottJr. W. Scott Libbey Submitted in Partial Fulfillment of the Requirements for the Bachelor of Science Degree from the Massachusetts Institute of Technology 1 9 4 3 THESIS AUTHORIZATION DateJanuary 54 1943 Name brLJD .tt,..Jr. 9 Te Appic.ato.n .. fMusc-in jrtduztxy-azcjJtsEffec. upan- _thLe M-rale-and-Eficlenay .of-the-Worker This is your authority to proceed with the thesis investi- gation as outlined in your preliminary report. Please return this sheet with the original copy of the finished thesis. Signature of the Advisor, indicating completion of a sat-- isfactory preliminary report. Advisor Signature of the Supervisor, indicating proper registration fo- redit, and generally satisfactory progress. and gene l s M. I. T. Graduate House Cambridge, Massachusetts January 11, 1943 Professor George W. Swett Secretary of the Faculty Massachusetts Institute of Technology Cambridge, Massachusetts Dear Sir: In accordance with the requirements for graduation, we herewith submit a thesis entitled, The Application of Music in Industry and its Effect upon the Morale and Efficiency of the Worker. We wish to express our gratitude to Professor Douglas McGregor, who has been extremely helpful in the organization of our material. Sincerely yours, QJ Q4 John H. Scott, Jr. W. Scott Libbey TABLE OF CONTEINTS Introduction Purpose 2 Scope 3 Method 4 history 5 Sumiary 7 The Effects of Music 12 Psychology of Music 13 Rhythm 14 Morale 15 Fatigue 22 -
Advanced Information on the Nobel Prize in Physics, 5 October 2004
Advanced information on the Nobel Prize in Physics, 5 October 2004 Information Department, P.O. Box 50005, SE-104 05 Stockholm, Sweden Phone: +46 8 673 95 00, Fax: +46 8 15 56 70, E-mail: [email protected], Website: www.kva.se Asymptotic Freedom and Quantum ChromoDynamics: the Key to the Understanding of the Strong Nuclear Forces The Basic Forces in Nature We know of two fundamental forces on the macroscopic scale that we experience in daily life: the gravitational force that binds our solar system together and keeps us on earth, and the electromagnetic force between electrically charged objects. Both are mediated over a distance and the force is proportional to the inverse square of the distance between the objects. Isaac Newton described the gravitational force in his Principia in 1687, and in 1915 Albert Einstein (Nobel Prize, 1921 for the photoelectric effect) presented his General Theory of Relativity for the gravitational force, which generalized Newton’s theory. Einstein’s theory is perhaps the greatest achievement in the history of science and the most celebrated one. The laws for the electromagnetic force were formulated by James Clark Maxwell in 1873, also a great leap forward in human endeavour. With the advent of quantum mechanics in the first decades of the 20th century it was realized that the electromagnetic field, including light, is quantized and can be seen as a stream of particles, photons. In this picture, the electromagnetic force can be thought of as a bombardment of photons, as when one object is thrown to another to transmit a force. -
Belgian Nobel Laureate Englert Lauds Late Colleague Brout 8 October 2013
Belgian Nobel laureate Englert lauds late colleague Brout 8 October 2013 Belgian scientist Francois Englert said his Last year, the Large Hadron Collider at CERN happiness Tuesday at winning the Nobel Prize for finally provided the experimental proof to back up Physics was tempered with regret that life-long the theory and Englert paid tribute to all the colleague Robert Brout could not enjoy the plaudits scientists, including Higgs, who had helped solve too. the great puzzle of modern physics. "Of course I am happy to have won the prize, that Englert said he and his colleagues all understood goes without saying, but there is regret too that my the importance of their work but the idea that they colleague and friend, Robert Brout, is not there to one day would win the Nobel prize had never been share it," Englert told a press conference at the an issue. Free University of Brussels (ULB). Asked what comes next, he replied: "There are Robert Brout died in 2011, having begun the huge numbers of problems still be solved. This just search for the elusive Higgs Boson—the "God marks a step in our understanding of the world." particle"—with Englert in the 1960s at the ULB. © 2013 AFP "It was a very long collaboration, it was a friendship. I was with Robert until his death," Englert said. Now 80 but still working, the bespectacled and bearded professor responded in good humour to questions, joking about the delay in the announcement. With no news for an hour, Englert said he had thought it was not to be but "we decided just the same to have a party.. -
(Owen Willans) Richardson
O. W. (Owen Willans) Richardson: An Inventory of His Papers at the Harry Ransom Center Descriptive Summary Creator: Richardson, O. W. (Owen Willans), 1879-1959 Title: O. W. (Owen Willans) Richardson Papers Dates: 1898-1958 (bulk 1920-1940) Extent: 112 document boxes, 2 oversize boxes (49.04 linear feet), 1 oversize folder (osf), 5 galley folders (gf) Abstract: The papers of Sir O. W. (Owen Willans) Richardson, the Nobel Prize-winning British physicist who pioneered the field of thermionics, contain research materials and drafts of his writings, correspondence, as well as letters and writings from numerous distinguished fellow scientists. Call Number: MS-3522 Language: Primarily English; some works and correspondence written in French, German, or Italian . Note: The Ransom Center gratefully acknowledges the assistance of the Center for History of Physics, American Institute of Physics, which provided funds to support the processing and cataloging of this collection. Access: Open for research Administrative Information Additional The Richardson Papers were microfilmed and are available on 76 Physical Format reels. Each item has a unique identifying number (W-xxxx, L-xxxx, Available: R-xxxx, or M-xxxx) that corresponds to the microfilm. This number was recorded on the file folders housing the papers and can also be found on catalog slips present with each item. Acquisition: Purchase, 1961 (R43, R44) and Gift, 2005 Processed by: Tessa Klink and Joan Sibley, 2014 Repository: The University of Texas at Austin, Harry Ransom Center Richardson, O. W. (Owen Willans), 1879-1959 MS-3522 2 Richardson, O. W. (Owen Willans), 1879-1959 MS-3522 Biographical Sketch The English physicist Owen Willans Richardson, who pioneered the field of thermionics, was also known for his work on photoelectricity, spectroscopy, ultraviolet and X-ray radiation, the electron theory, and quantum theory. -
Historical Background Prepared by Dr, Robin Chaplin Professor of Power Plant Engineering (Retired) University of New Brunswick
1 Historical Background prepared by Dr, Robin Chaplin Professor of Power Plant Engineering (retired) University of New Brunswick Summary: A review of the historical background for the development of nuclear energy is given to set the scene for the discussion of CANDU reactors. Table of Contents 1 Growth of Science and Technology......................................................................................... 2 2 Renowned Scientists............................................................................................................... 4 3 Significant Achievements........................................................................................................ 6 3.1 Niels Bohr........................................................................................................................ 6 3.2 James Chadwick .............................................................................................................. 6 3.3 Enrico Fermi .................................................................................................................... 6 4 Nuclear Fission........................................................................................................................ 7 5 Nuclear Energy........................................................................................................................ 7 6 Acknowledgments................................................................................................................... 8 List of Figures Figure 1 Timeline of significant discoveries