2,874 research outputs found

    The sine-Gordon equation as a model classical field theory

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    The sine-Gordon equation f{symbol} xx -f{symbol} xx =m 2 sinf{symbol} is considered as a model one-dimensional classical field theory with particlelike solutions. The model has applications in many branches of physics and gives an exact description of the interaction of an arbitrary number of elementary particles and bound-state composite particles. © 1975 Società Italiana di Fisica.</p

    William Fielding Fearn Wannan, author, editor and freelance journalist

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    William Fielding Fearn Wannan, author, editor and freelance journalist. Photograph stamped Gordon F De'Lisle, Melbourn

    2021-2022: Gordon Wood: The Founders and the Constitution

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    Gordon Wood | HistorianDate and time: Feb. 15, 2022, 12 p.m. ESTLocation: Wold Performing Arts Center Gordon Wood is one of the nation\u27s most celebrated historians, a prolific author and winner of the Pulitzer Prize, Bancroft Prize, John F. Kennedy Medal and the National Humanities Medal awarded by President Obama. He earned his Ph.D from Harvard and holds the title Alva O. Way University Professor at Brown.https://spiral.lynn.edu/dialogues-speaker-series/1004/thumbnail.jp

    Virtual reality in the architectural technology curriculum in the UK

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    This paper seeks to understand the climate for Virtual Reality (VR) within the Architectural Technology (AT)curriculum in the U.K. It seeks to assess through literature, focus groups and questionnaires VR’s current place and seek to find a model to map an integration strategy of V.R. to the AT curriculum within the U.K. The paper uses focus groups, to highlight some of the problems that are still to be solved with the system and software. It also highlights for Architectural Technologists a new tool to communicate ideas with the three dimensional world. We will assess virtual reality’s current placement to see what steps have been achieved, therefore we can evaluate what is next for the technology for an A.T. This paper will query academics of other A.T. courses and their own implementation of V.R. within their curriculum and analyse what and why we should be using his type of technology in the education system. Looking back upon V.R.’s development we are able to see what progress has and is being made, to see if the time is right now to be implementing the technology with an appropriate method. The results show that it is a beneficial tool ready to be used by students to further their understanding of Architectural Technology. The paper was originally a dissertation by C. F. Wood in Robert Gordon University

    Virtual reality in the architectural technology curriculum in the UK

    No full text
    This paper seeks to understand the climate for Virtual Reality (VR) within the Architectural Technology (AT)curriculum in the U.K. It seeks to assess through literature, focus groups and questionnaires VR’s current place and seek to find a model to map an integration strategy of V.R. to the AT curriculum within the U.K. The paper uses focus groups, to highlight some of the problems that are still to be solved with the system and software. It also highlights for Architectural Technologists a new tool to communicate ideas with the three dimensional world. We will assess virtual reality’s current placement to see what steps have been achieved, therefore we can evaluate what is next for the technology for an A.T. This paper will query academics of other A.T. courses and their own implementation of V.R. within their curriculum and analyse what and why we should be using his type of technology in the education system. Looking back upon V.R.’s development we are able to see what progress has and is being made, to see if the time is right now to be implementing the technology with an appropriate method. The results show that it is a beneficial tool ready to be used by students to further their understanding of Architectural Technology. The paper was originally a dissertation by C. F. Wood in Robert Gordon University

    Sequence effects in categorization of simple perceptual stimuli

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    Categorization research typically assumes that the cognitive system has access to a (more or less noisy) representation of the absolute magnitudes of the properties of stimuli and that this information is used in reaching a categorization decision. However, research on identification of simple perceptual stimuli suggests that people have very poor representations of absolute magnitude information and that judgments about absolute magnitude are strongly influenced by preceding material. The experiments presented here investigate such sequence effects in categorization tasks. Strong sequence effects were found. Classification of a borderline stimulus was more accurate when preceded by a distant member of the opposite category than by a distant member of the same category. It is argued that this category contrast effect cannot be accounted for by extant exemplar or decision-bound models of categorization. The effect suggests the use of relative magnitude information in categorization. A memory and contrast model illustrates how relative magnitude information may be used in categorization

    Nanoelectromechanics of shuttle devices

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    A single-electron tunneling (SET) device with a nanoscale central island that can move with respect to the bulk sourceand drain electrodes allows for a nanoelectromechanical (NEM) coupling between the electrical current through the device and the mechanical vibrations of the island. Although the electromechanical “shuttle” instability and the associated phenomenon of single-electron shuttling were predicted more than 15 years ago, both theoretical and experimental studies of NEM-SET structures are still carried out. New functionalities based on quantum coherence, Coulomb correlations and coherent electron-spin dynamics are still of particular interest. In this article we present a short review of recent activities in this area

    Development of an Urban As-Built Model: The Case Study of Aberdeen

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    This paper is focusing on the local strategic development plan for the city of Aberdeen, UK, and examines the initiation of applying a regeneration plan to the city centre. For that purpose, Aberdeen City Council commissioned Robert Gordon University to develop a 3D as-built model of the city centre. The researchers developed a novel process to tackle data acquisition for urban scale as-built visualisations that would afterwards promote stakeholders' collaboration. A workflow was developed and tested with the aim to provide not only geometric accurate data of the current state but also meta-data in relation to historic and future applications. Terrestrial LiDAR systems were employed and rapidly advancing hardware and software was tested, evaluated and utilised.This project aims to have an impact to the 3D data acquisition in relation to urban scale projects that apply Terrestrial Laser Scanning technologies. Furthermore, the suggested workflow can be generalised for the production of urban scale as-built models for the purposes of design and planning decision making and delivery of sustainable infrastructure, transportation systems and overall sustainable communities. The paper concludes with further suggestions for the generalisation of the process and its adaptation depending on the application, i.e. transportation, green spaces

    Author Correction: A prospective observational study of post-COVID-19 chronic fatigue syndrome following the first pandemic wave in Germany and biomarkers associated with symptom severity (Nature Communications, (2022), 13, 1, (5104), 10.1038/s41467-022-3

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    In the author list of this article, the names of the authorswere incorrectly listed with initials and family name only. The incorrect author list read as “C. Kedor, H. Freitag, L. Meyer-Arndt, K. Wittke, L. G. Hanitsch, T. Zoller, F. Steinbeis, M. Haffke, G. Rudolf, B. Heidecker, T. Bobbert, J. Spranger, H. D. Volk, C. Skurk, F. Konietschke, F. Paul, U. Behrends, J. Bellmann-Strobl and C. Scheibenbogen”. The author list has now been amended to include the given and family names in the HTML and PDF versions of the article. The corrected author list reads as “Claudia Kedor, Helma Freitag, Lil Meyer-Arndt, Kirsten Wittke, Leif G. Hanitsch, Thomas Zoller, Fridolin Steinbeis, Milan Haffke, Gordon Rudolf, Bettina Heidecker, Thomas Bobbert, Joachim Spranger, Hans- Dieter Volk, Carsten Skurk, Frank Konietschke, Friedemann Paul, Uta Behrends, Judith Bellmann-Strobl and Carmen Scheibenbogen”

    The campaign for democratic socialism 1960-1964.

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    PhDIn early 1960 it seemed likely that the official Labour Party defence policy would be defeated by a unilateralist resolution at the Scarborough Conference. In response to this possibility the Campaign for Democratic Socialism, or CDS, was established. The CDS projected the image of a grass-roots movement inspired by Gaitskell's "fight and fight again" speech. But it was run by a Campaign Committee which included leading members of the Party like Tony Crosland, Roy Jenkins and Patrick Gordon Walker, as well as less well known members like Bill Rodgers, Dick Taverne, Philip Williams, Brian Walden, Denis Howell and David Marquand. This highly talented group launched an elaborate and successful lobbying, publicity and briefing operation which was influential in overturning the unilateralist vote at the Blackpool Conference of 1961. After Blackpool the Campaign helped many of its leading members find seats in the House of Commons while continuing to put the "revisionist" case through its newspaper Campaign. The importance of the CDS in the history of the Labour Party is, primarily, as the first internal pressure group organised by the right of the Party. It was also the first internal Party group to use such sophisticated lobbying techniques. Moreover, the subsequent careers of the leading members of the Campaign influenced the development of the Labour Party. The CDS was an important formative political action for many of them. Finally many of the CDS supporters set-up or joined the SDP when it was launched
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