Results for 'angular momentum'

144 found
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  1. On the angular momentum of a system of quantum particles.O. Chavoya-Aceves - manuscript
    The properties of angular momentum and its connection to magnetic momentum are explored, based on a reconsideration of the Stern-Gerlach experiment and gauge invariance. A possible way to solve the so called spin crisis is proposed. The separation of angular momentum of a quantum system of particles into orbital angular momentum plus intrinsic angular momentum is reconsidered, within the limits of the Schr\"odinger theory. A proof is given that, for systems of (...)
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  2. On the angular momentum of a system of quantum particles.Oscar Chavoya Aceves - manuscript
    The properties of angular momentum and its connection to magnetic momentum are explored, based on a reconsideration of the Stern-Gerlach experiment and gauge invariance. A possible way to solve the so called spin crisis is proposed. The separation of angular momentum of a quan- tum system of particles into orbital angular momentum plus intrinsic angular momentum is reconsidered, within the limits of the Schrodinger theory. A proof is given that, for systems (...)
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  3. On Magnetic Forces and Work.Jacob A. Barandes - 2021 - Foundations of Physics 51 (4):1-17.
    We address a long-standing debate over whether classical magnetic forces can do work, ultimately answering the question in the affirmative. In detail, we couple a classical particle with intrinsic spin and elementary dipole moments to the electromagnetic field, derive the appropriate generalization of the Lorentz force law, show that the particle's dipole moments must be collinear with its spin axis, and argue that the magnetic field does mechanical work on the particle's elementary magnetic dipole moment. As consistency checks, we calculate (...)
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  4. Unity for Kant’s Natural Philosophy.Marius Stan - 2014 - Philosophy of Science 81 (3):423-443.
    I uncover here a conflict in Kant’s natural philosophy. His matter theory and laws of mechanics are in tension. Kant’s laws are fit for particles but are too narrow to handle continuous bodies, which his doctrine of matter demands. To fix this defect, Kant ultimately must ground the Torque Law; that is, the impressed torque equals the change in angular momentum. But that grounding requires a premise—the symmetry of the stress tensor—that Kant denies himself. I argue that his (...)
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  5. A New Foundation for Physics.Jim Bourassa & David Thomson - 2006 - Infinite Energy Magazine (69):34.
    Modern physics describes the mechanics of the Universe. We have discovered a new foundation for physics, which explains the components of the Universe with precision and depth. We quantify the existence of Aether, subatomic particles, and the force laws. Some aspects of the theory derive from the Standard Model, but much is unique. A key discovery from this new foundation is a mathematically correct Unified Force Theory. Other fundamental discoveries follow, including the origin of the fine structure constant and subatomic (...)
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  6. Are Information, Cognition and the Principle of Existence Intrinsically Structured in the Quantum Model of Reality?Elio Conte - forthcoming - Open Systems and Information Dynamics.
    The thesis of this paper is that Information, Cognition and a Principle of Existence are intrinsically structured in the quantum model of reality. We reach such evidence by using the Clifford algebra. We analyze quantization in some traditional cases of quantum mechanics and, in particular in quantum harmonic oscillator, orbital angular momentum and hydrogen atom.
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  7. (1 other version)Impact of Relativity Theory and Quantum Mechanics on Philosophy.Devinder Pal Singh - 1988 - Bulletin of Indian Association of Physics Teachers 5 (5):155-159.
    In present times, Science has become more and more contiguous to philosophy due to the advent of Relativity theory and Quantum Mechanics. Relativity has modified our concepts of mass, length, force, law of addition of velocities and simultaneity and has given a new interpretation of the laws of conservation of energy and momentum. It has demonstrated the inner necessity of the idea of dialectic contradiction in the theoretical development of the contents of physics. Quantum Mechanics has continued what began (...)
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  8. Psychological Momentum: The Phenomenology of Goal Pursuit.Keith Markman & Walid Briki - 2018 - Social and Personality Psychology Compass 12 (9):e12412.
    Psychological momentum (PM) is thought to be a force that influences judgment, emotion, and performance. Based on a review of the extant literature, we elucidate two distinct approaches that researchers have adopted in their study of PM: the input-centered approach and the output-centered approach. Consistent with the input-centered approach, we conceptualize PM as a process whereby temporal and contextual PM-like stimuli (i.e., perceptual velocity, perceptual mass, perceptual historicity, and perceptually interconnected timescales)—initially perceived as an impetus—are extrapolated to imagined future (...)
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  9. Psychological Momentum: Intuitive Physics and Naive Beliefs.Keith Markman & Corey Guenther - 2007 - Personality and Social Psychology Bulletin 33 (6):800-812.
    The present research examines psychological momentum (PM), a perceived force that lay intuition suggests influences performance. PM theory is proposed to account for how momentum perceptions arise, and four studies demonstrate the influence of lay intuitions about PM on expectations regarding performance outcomes. Study 1 establishes that individuals share intuitions about the types of events that precipitate PM, and Study 2 finds that defeating a rival increases momentum perception. Study 3 provides evidence for the lay belief that (...)
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  10. On momentum operators given by Killing vectors whose integral curves are geodesics.Thomas Schürmann - 2022 - Physics 4 (4): 1440-1452.
    We consider momentum operators on intrinsically curved manifolds. Given that the momentum operators are Killing vector fields whose integral curves are geodesics, it is shown that the corresponding manifold is either flat, or otherwise of compact type with positive constant sectional curvature and dimension equal to 1, 3 or 7. Explicit representations of momentum operators and the associated Casimir element will be discussed for the 3-sphere. It will be verified that the structure constants of the underlying Lie (...)
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  11. Momentum and Context.Hans Halvorson - manuscript
    A sentence's meaning may depend on the state of motion of the speaker. I argue that this context-sensitivity blocks the inference from special relativity to four-dimensionalism.
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  12. Active set Methods for Problems in Column Block Angular Form.Julio Michael Stern & Stephen A. Vavasis - 1993 - Computational and Applied Mathematics 12 (3):199-226.
    We study active set methods for optimization problems in Block Angular Form (BAF). We begin by reviewing some standard basis factorizations, including Saunders' orthogonal factorization and updates for the simplex method that do not impose any restriction on the pivot sequence and maintain the basis factorization structured in BAF throughout the algorithm. We then suggest orthogonal factorization and updating procedures that allow coarse grain parallelization, pivot updates local to the affected blocks, and independent block reinversion. A simple parallel environment (...)
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  13. A Lesson Study on Teaching Impulse and Momentum in the New Normal.Aileen Mae G. Cañete, Angel Rose J. Hitgano, Ella Marie G. Nuñez, Alisa Mae D. Talamo, Ricka Mae Marie L. Ymas & Joy A. Bellen - 2023 - Universal Journal of Educational Research 2 (1):57-66.
    Impulse and momentum are basic concepts of mechanics introduced in the K to 12 curricula. Despite its basic concepts, students still have difficulties understanding the topic, especially when they are out of school due to the pandemic. After reopening the gates for face–to–face classes in the Philippines, the researchers found a significant reason to conduct a lesson study to improve teaching strategies on the topic. Lesson study is a development process wherein teachers work collaboratively to improve teachers teaching capacity. (...)
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  14. Derivation of the Quantum Mechanical Momentum Operator in the Position Representation.Ryan Reece - manuscript
    I pedagogically show that the momentum operator in quantum mechanics, in the position representation, commonly known to be a derivative with respect to a spatial x-coordinate, can be derived by identifying momentum as the generator of space translations.
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  15. Hume’s Fork and Mixed Mathematics.Matias Slavov - 2017 - Archiv für Geschichte der Philosophie 99 (1):102-119.
    Given the sharp distinction that follows from Hume’s Fork, the proper epistemic status of propositions of mixed mathematics seems to be a mystery. On the one hand, mathematical propositions concern the relation of ideas. They are intuitive and demonstratively certain. On the other hand, propositions of mixed mathematics, such as in Hume’s own example, the law of conservation of momentum, are also matter of fact propositions. They concern causal relations between species of objects, and, in this sense, they are (...)
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  16. Does Consciousness-Collapse Quantum Mechanics Facilitate Dualistic Mental Causation?Alin C. Cucu - forthcoming - Journal of Cognitive Science.
    One of the most serious challenges (if not the most serious challenge) for interactive psycho-physical dualism (henceforth interactive dualism or ID) is the so-called ‘interaction problem’. It has two facets, one of which this article focuses on, namely the apparent tension between interactions of non-physical minds in the physical world and physical laws of nature. One family of approaches to alleviate or even dissolve this tension is based on a collapse solution (‘consciousness collapse/CC) of the measurement problem in quantum mechanics (...)
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  17. Three stages of love, narrative, and self-understanding.Pilar Lopez-Cantero - 2023 - In Alba Montes Sánchez & Alessandro Salice (eds.), Emotional Self-Knowledge. New York, NY: Routledge. pp. 147-167.
    The idea that love changes who we are is widely shared, and has been mostly explored from a stance in the middle stage of love (i.e., when people already love each other). But how do we get there? And what happens when love ends? In this chapter, I explore how self-understanding may be shaped in different ways at different stages of love through the notions of narrative and existential feeling. As I will argue, love gains narrative momentum at the (...)
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  18. The Marriage of Preah Thong and Neang Neak: On Cultural Memory, Universalism and Eclecticism.John T. Giordano - 2023 - In Stephen Morgan (ed.), Memory and Identity: The Proceedings of the 28th ASEACCU Annual Conference 2022. University of Saint Joseph University Press. pp. 56-79.
    The momentum of globalization and universalism, operating through the media, information technology and politics, has steadily diminished the importance of cultural diversity. It has even threatened to erase many of our cultural traditions, or extinguish our diverse experiences of the sacred. Yet the sacred which seems to be lost is often still encased in our cultural objects, stories and religious rituals. This paper will discuss how the memories of the sacred can be both preserved and reawakened. This paper will (...)
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  19. A Proposed Expert System for Strawberry Diseases Diagnosis.Raed Z. Sababa, Mohammed F. El-Habibi, Mosa M. M. Megdad, Mohammed J. A. AlQatrawi, Mohanad H. Al-Qadi & Samy S. Abu-Naser - 2022 - International Journal of Engineering and Information Systems (IJEAIS) 6 (5):52-66.
    Background: There is no doubt that strawberry diseases are one of the most important reasons that led to the destruction of strawberry plants and their crops. This leads to obvious damage to these plants and they become inedible. Discovering these diseases after a good step for proper and correct treatment. Determining the treatment with high accuracy depends on the method used in the diagnosis. Correctly, expert systems can greatly help in avoiding damage to these plants. The expert system correctly diagnoses (...)
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  20. School effectiveness research: An ideological commitment?Robert Archer - 1999 - Journal of Philosophy of Education 33 (2):253–268.
    As the international momentum of the school effectiveness movement continues, its exponents remain largely impervious to criticism. This paper argues that while they may not readily align themselves with the individualistic aspects of Conservative social philosophy, their methodology necessarily secretes an atomised social ontology. The charge of ideological commitment rests on the fact that the essentially positivist epistemology employed by school effectiveness researchers presupposes an ontology of closed systems and atomistic events. Thus any notion of the structuring of life-chances (...)
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  21. Associations between psychopathic traits and brain activity during instructed false responding.Andrea L. Glenn, Hyemin Han, Yaling Yang, Adrian Raine & Robert A. Schug - 2017 - Psychiatry Research: Neuroimaging 266:123-137.
    Lying is one of the characteristic features of psychopathy, and has been recognized in clinical and diagnostic descriptions of the disorder, yet individuals with psychopathic traits have been found to have reduced neural activity in many of the brain regions that are important for lying. In this study, we examine brain activity in sixteen individuals with varying degrees of psychopathic traits during a task in which they are instructed to falsify information or tell the truth about autobiographical and non-autobiographical facts, (...)
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  22. Towards a New Feeling Theory of Emotion.Uriah Kriegel - 2014 - European Journal of Philosophy 22 (3):420-442.
    According to the old feeling theory of emotion, an emotion is just a feeling: a conscious experience with a characteristic phenomenal character. This theory is widely dismissed in contemporary discussions of emotion as hopelessly naïve. In particular, it is thought to suffer from two fatal drawbacks: its inability to account for the cognitive dimension of emotion (which is thought to go beyond the phenomenal dimension), and its inability to accommodate unconscious emotions (which, of course, lack any phenomenal character). In this (...)
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  23. “Fuzzy time”, a Solution of Unexpected Hanging Paradox (a Fuzzy interpretation of Quantum Mechanics).Farzad Didehvar - manuscript
    Although Fuzzy logic and Fuzzy Mathematics is a widespread subject and there is a vast literature about it, yet the use of Fuzzy issues like Fuzzy sets and Fuzzy numbers was relatively rare in time concept. This could be seen in the Fuzzy time series. In addition, some attempts are done in fuzzing Turing Machines but seemingly there is no need to fuzzy time. Throughout this article, we try to change this picture and show why it is helpful to consider (...)
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  24. Maintenance Required: The Ethics of Geoengineering and Post-Implementation Scenarios.Pak-Hang Wong - 2014 - Ethics, Policy and Environment 17 (2):186-191.
    The ethics of geoengineering has gained momentum in recent academic debate. The current debates, however, is typically framed in terms of (i) the first-order question about the moral permissibility of geoengineering, and (ii) the second-order question about the distributive and compensatory issues associated with geoengineering. Both (i) and (ii) are central to decision-making about geoengineering, but they have not cover all ethical issues related to geoengineering. I argue that a preoccupation with (i) and (ii) may lead to an oversight (...)
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  25. Rationally irresolvable disagreement.Guido Melchior - 2023 - Philosophical Studies 180 (4):1277-1304.
    The discussion about deep disagreement has gained significant momentum in the last several years. This discussion often relies on the intuition that deep disagreement is, in some sense, rationally irresolvable. In this paper, I will provide a theory of rationally irresolvable disagreement. Such a theory is interesting in its own right, since it conflicts with the view that rational attitudes and procedures are paradigmatic tools for resolving disagreement. Moreover, I will suggest replacing discussions about deep disagreement with an analysis (...)
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  26. Apparent brightness enhancement in the Kanizsa square with and without illusory contours.Birgitta Dresp & Jean Lorenceau - 1990 - Perception 19:483-489.
    The perceived strength of darkness enhancement in the centre of surfaces surrounded or not surrounded by illusory contours was investigated as a function of proximity of the constituent elements of the display and their angular size. Magnitude estimation was used to measure the perception of the darkness phenomenon in white-on-grey stimuli. Darkness enhancement was perceived in both types of the stimuli used, but more strongly in the presence of illusory contours. In both cases, perceived darkness enhancement increased with increasing (...)
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  27. Rethinking the role of the rTPJ in attention and social cognition in light of the opposing domains hypothesis: findings from an ALE-based meta-analysis and resting-state functional connectivity.Benjamin Kubit & Anthony I. Jack - 2013 - Frontiers in Human Neuroscience 7.
    The right temporo-parietal junction (rTPJ) has been associated with two apparently disparate functional roles: in attention and in social cognition. According to one account, the rTPJ initiates a “circuit-breaking” signal that interrupts ongoing attentional processes, effectively reorienting attention. It is argued this primary function of the rTPJ has been extended beyond attention, through a process of evolutionarily cooption, to play a role in social cognition. We propose an alternative account, according to which the capacity for social cognition depends on a (...)
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  28. Multi-field and Bohm’s theory.Davide Romano - 2020 - Synthese (11):29 June 2020.
    In the recent literature, it has been shown that the wave function in the de Broglie–Bohm theory can be regarded as a new kind of field, i.e., a "multi-field", in three-dimensional space. In this paper, I argue that the natural framework for the multi-field is the original second-order Bohm’s theory. In this context, it is possible: i) to construe the multi-field as a real-valued scalar field; ii) to explain the physical interaction between the multi-field and the Bohmian particles; and iii) (...)
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  29. A New method for Analysis of Biomolecules Using the BSM-SG Atomic Models.Stoyan Sarg Sargoytchev - 2017 - J. Biom Biostat 8 (2):1000339.
    Biomolecules and particularly proteins and DNA exhibit some mysterious features that cannot find satisfactory explanation by quantum mechanical modes of atoms. One of them, known as a Levinthal’s paradox, is the ability to preserve their complex three-dimensional structure in appropriate environments. Another one is that they possess some unknown energy mechanism. The Basic Structures of Matter Supergravitation Unified Theory (BSM-SG) allows uncovering the real physical structures of the elementary particles and their spatial arrangement in atomic nuclei. The resulting physical models (...)
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  30. Questioning the automaticity of audiovisual correspondences.Laura M. Getz & Michael Kubovy - 2018 - Cognition 175 (C):101-108.
    An audiovisual correspondence (AVC) refers to an observer’s seemingly arbitrary yet consistent matching of sensory features across the two modalities; for example, between an auditory pitch and visual size. Research on AVCs has frequently used a speeded classification procedure in which participants are asked to rapidly classify an image when it is either accompanied by a congruent or an incongruent sound (or vice versa). When, as is typically the case, classification is faster in the presence of a congruent stimulus, researchers (...)
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  31. Narrative Self-Constitution and Recovery from Addiction.Doug McConnell - 2016 - American Philosophical Quarterly 53 (3):307-322.
    Why do some addicted people chronically fail in their goal to recover, while others succeed? On one established view, recovery depends, in part, on efforts of intentional planning agency. This seems right, however, firsthand accounts of addiction suggest that the agent’s self-narrative also has an influence. This paper presents arguments for the view that self-narratives have independent, self-fulfilling momentum that can support or undermine self-governance. The self-narrative structures of addicted persons can entrench addiction and alienate the agent from practically (...)
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  32. The Next Challenge for Bangladesh’s 2024 Uprising.Kazi Huda - 2024 - E-International Relations.
    The 2024 uprising in Bangladesh marks a significant victory in the fight against authoritarianism, yet it remains an incomplete revolution. Its true success will hinge on whether it can pave the way for a new political order that reflects the hopes and aspirations of its participants. In this commentary, I draw on Arendt’s concept of natality to explore this pivotal moment, as it emphasizes the need for ongoing creativity, active engagement, and the creation of new possibilities. I argue that Bangladesh’s (...)
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  33. Средиземноморское побережье африки в «географии» птолемея и в «стадиасме великого моря».Dmitry Shcheglov - 2018 - Schole 12 (2):453-479.
    The paper argues that the depiction of the Mediterranean coast of Africa in Ptolemy’s Geography was based on a source similar to the Stadiasmus of the Great Sea. Ptolemy’s and the Stadiasmus’ toponymy and distances between major points are mostly in good agreement. Ptolemy’s place names overlap with those of the Stadiasmus by 80%, and the total length of the coastline from Alexandria to Utica on Ptolemy’s map deviates from the Stadiasmus data by only 1% or 1.5%. A number of (...)
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  34. A causal ontology of objects, causal relations, and various kinds of action.Andrew Newman - 2022 - Synthese 200 (4):1-28.
    The basic kinds of physical causality that are foundational for other kinds of causality involve objects and the causal relations between them. These interactions do not involve events. If events were ontologically significant entities for causality in general, then they would play a role in simple mechanical interactions. But arguments about simple collisions looked at from different frames of reference show that events cannot play a role in simple mechanical interactions, and neither can the entirely hypothetical causal relations between events. (...)
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  35. What are definitions of life good for? Transdisciplinary and other definitions in astrobiology.Tarja Knuuttila & Andrea Loettgers - 2017 - Biology and Philosophy 32 (6):1185-1203.
    The attempt to define life has gained new momentum in the wake of novel fields such as synthetic biology, astrobiology, and artificial life. In a series of articles, Cleland, Chyba, and Machery claim that definitions of life seek to provide necessary and sufficient conditions for applying the concept of life—something that such definitions cannot, and should not do. We argue that this criticism is largely unwarranted. Cleland, Chyba, and Machery approach definitions of life as classifying devices, thereby neglecting their (...)
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  36. Liberalism and the Two Directions of the Local Food Movement.Samantha Noll - 2014 - Journal of Agricultural and Environmental Ethics 27 (2):211-224.
    The local food movement is, increasingly, becoming a part of the modern American landscape. However, while it appears that the local food movement is gaining momentum, one could question whether or not this trend is, in fact, politically and socially sustainable. Is local food just another trend that will fade away or is it here to stay? One way to begin addressing this question is to ascertain whether or not it is compatible with liberalism, a set of influential political (...)
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  37. Holism, mental and semantic.Ned Block - 1996 - In Edward Craig (ed.), Routledge Encyclopedia of Philosophy: Genealogy to Iqbal. New York: Routledge.
    Mental (or semantic) holism is the doctrine that the identity of a belief content (or the meaning of a sentence that expresses it) is determined by its place in the web of beliefs or sentences comprising a whole theory or group of theories. It can be contrasted with two other views: atomism and molecularism. Molecularism characterizes meaning and content in terms of relatively small parts of the web in a way that allows many different theories to share those parts. For (...)
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  38. Black Hole Paradoxes: A Unified Framework for Information Loss.Saakshi Dulani - 2024 - Dissertation, University of Geneva
    The black hole information loss paradox is a catch-all term for a family of puzzles related to black hole evaporation. For almost 50 years, the quest to elucidate the implications of black hole evaporation has not only sustained momentum, but has also become increasingly populated with proposals that seem to generate more questions than they purport to answer. Scholars often neglect to acknowledge ongoing discussions within black hole thermodynamics and statistical mechanics when analyzing the paradox, including the interpretation of (...)
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  39. Rheological Characteristics of Waste Polyvinyl Chloride-Bitumen Composites: Part III.Mahmoud Abdel-Halim Abdel-Goad & Ijarw Ijeais - 2018 - International Journal of Engineering and Information Systems (IJEAIS) 2 (2):18-21.
    Abstract— Waste Polyvinyl chloride-bitumen composites were prepared in the molten state by addition waste PVC pipes to commercial bitumen in different concentrations. The original material of the pure bitumen and bitumen composites are rheologically characterized. The viscoelastic properties such as shear compliance, torque and viscosity were measured and compared. These properties were studied using an ARES- Rheometer (Rheometric Scientific, Co.) equipment. The measurements were performed in the dynamic mode, plate-plate geometry of 25 mm diameter over the temperature range from –10 (...)
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  40. Valores epistémicos de la metáfora científica.Israel Salas Llanas - 2017 - In Investigaciones actuales en Lingüística, Vol. II: Semántica, Lexicología y Morfología. Alcalá de Henares, Madrid, España: pp. 293-304.
    Este trabajo analiza el valor epistemológico de la metáfora y su papel como piedra angular en la investigación científica. El principal argumento en torno al cual se articulará esta disertación parte de la premisa de que todo lenguaje es, en esencia, tropológico, convirtiendo la metáfora en el principal motor de su actividad lingüística, así como de su naturaleza simbólica.
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  41. Biological Emergence: a Key Exemplar of the Open Systems View.George F. R. Ellis - forthcoming - In Michael E. Cuffaro & Stephan Hartmann (eds.), Open Systems: Physics, Metaphysics, and Methodology (2025: Oxford University Press). Oxford: Oxford University Press.
    The context for biological emergence is modular hierarchical structures; their existence is what enables functional complexity to arise. Because of the openness of organisms to their environment, complete initial data (position, momentum) of all particles making up their structure is insufficient to determine future outcomes, because unpredictable new matter, energy, and information impacts each organism from the exterior. Consequently, through Darwinian evolution, life has developed processes to handle this issue functionally on short time scales as well on longer developmental (...)
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  42. Embodied Cognition: Grounded Until Further Notice?Cory Wright - 2008 - British Journal of Psychology 99:157-164.
    Embodied Cognition is the kind of view that is all trees, no forest. Mounting experimental evidence gives it momentum in fleshing out the theoretical problems inherent in Cognitivists’ separation of mind and body. But the more its proponents compile such evidence, the more the fundamental concepts of Embodied Cognition remain in the dark. This conundrum is nicely exemplified by Pecher and Zwaan’s book, Grounding Cognition, which is a programmatic attempt to rally together an array of empirical results and linguistic (...)
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  43. Simulated Annealing with a Temperature Dependent Penalty Function.Julio Michael Stern - 1992 - ORSA Journal on Computing 4:311-319.
    We formulate the problem of permuting a matrix to block angular form as the combinatorial minimization of an objective function. We motivate the use of simulated annealing (SA) as an optimization tool. We then introduce a heuristic temperature dependent penalty function in the simulated annealing cost function, to be used instead of the real objective function being minimized. Finally we show that this temperature dependent penalty function version of simulated annealing consistently outperforms the standard simulated annealing approach, producing, with (...)
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  44. A Multi-wavelength Data Analysis with Multi-mission Space Telescopes.Yang I. Pachankis - 2022 - International Journal of Innovative Science and Research Technology 7 (1):701-708.
    The article summarizes the software tool on astrophysical analysis with multi-wavelength space telescope data. It recaps the evidence analysis conducted on the Kerr-Newman black hole (KNBH). It was written prior to the article Research on the Kerr-Newman Black Hole in M82 Confirms Black Hole and White Hole Juxtapose not soon after the experiment. The conducted analysis suggested Hawking radiation is caused by the movement of ergosurfaces of the BH and serves as the primal evidence for black hole and white hole (...)
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  45. Derivation of Classical Mechanics in an Energetic Framework via Conservation and Relativity.Philip Goyal - 2020 - Foundations of Physics 1 (11):1426-1479.
    The notions of conservation and relativity lie at the heart of classical mechanics, and were critical to its early development. However, in Newton’s theory of mechanics, these symmetry principles were eclipsed by domain-specific laws. In view of the importance of symmetry principles in elucidating the structure of physical theories, it is natural to ask to what extent conservation and relativity determine the structure of mechanics. In this paper, we address this question by deriving classical mechanics—both nonrelativistic and relativistic—using relativity and (...)
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  46. Does the IASP Definition of Pain Need Updating?Murat Aydede - 2019 - PAIN Reports 4 (5 - e777):1-7.
    The current IASP definition of pain has come under renewed criticisms recently. There is a new momentum for its revision as reflected by the fact that IASP has now a Presidential Task Force dedicated to look into whether there is enough warrant to update the definition. I critically review all the major criticisms of the current definition in detail, and raise new difficulties rarely discussed before. I show that none of the major criticisms has enough warrant to force us (...)
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  47. Can Magnetic Forces Do Work?Jacob Barandes - manuscript
    Standard lore holds that magnetic forces are incapable of doing mechanical work. More precisely, the claim is that whenever it appears that a magnetic force is doing work, the work is actually being done by another force, with the magnetic force serving only as an indirect mediator. However, the most familiar instances of magnetic forces acting in everyday life, such as when bar magnets lift other bar magnets, appear to present manifest evidence of magnetic forces doing work. These sorts of (...)
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  48. The role of robotics and AI in technologically mediated human evolution: a constructive proposal.Jeffrey White - 2020 - AI and Society 35 (1):177-185.
    This paper proposes that existing computational modeling research programs may be combined into platforms for the information of public policy. The main idea is that computational models at select levels of organization may be integrated in natural terms describing biological cognition, thereby normalizing a platform for predictive simulations able to account for both human and environmental costs associated with different action plans and institutional arrangements over short and long time spans while minimizing computational requirements. Building from established research programs, the (...)
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  49. Rheological Characteristics of Waste Polyvinyl Chloride-Bitumen Composites: Part II.Mahmoud Abdel-Halim Abdel-Goad & Ijarw Ijeais - 2018 - International Journal of Engineering and Information Systems (IJEAIS) 2 (2):13-17.
    Abstract— Waste Polyvinyl chloride-bitumen composites were prepared in the molten state by addition waste PVC pipes to commercial bitumen in different concentrations. The original material of the pure bitumen and bitumen composites are rheologically characterized. The viscoelastic properties such as shear compliance, torque and viscosity were measured and compared. These properties were studied using an ARES- Rheometer (Rheometric Scientific, Co.) equipment. The measurements were performed in the dynamic mode, plate-plate geometry of 25 mm diameter over the temperature range from –10 (...)
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  50. Dewey on Facebook: Who Should Regulate Social Media?Henry Lara-Steidel - 2022 - Philosophy of Education 78 (3):53-65.
    At the time of writing, social media is rife with misinformation and disinformation, having very real effects on our political processes and on the vaccination efforts of the COVID pandemic. As the effort to pass new laws and regulations on social media companies gains momentum, concerns remain about how to balance free speech rights and even who, if anyone, should be the one to regulate social media. Drawing on Dewey’s conception of the public, I argue for the regulation of (...)
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