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Physical Objects (physical + object)
Selected AbstractsQuantum information and general relativityFORTSCHRITTE DER PHYSIK/PROGRESS OF PHYSICS, Issue 11-12 2004A. Peres The Einstein-Podolsky-Rosen paradox (1935) is reexamined in the light of Shannon's information theory (1948). The EPR argument did not take into account that the observers' information was localized, like any other physical object. General relativity introduces new problems: there are horizons which act as on-way membranes for the propagation of quantum information, in particular black holes which act like sinks. [source] The Sovereignty of Nature?INTERNATIONAL STUDIES QUARTERLY, Issue 2 2002Environmental Protection in a Postmodern Age Recent postmodern international relations (IR) scholarship threatens to undermine global environmental protection efforts. Global environmental protection is fundamentally about conserving and preserving nature. It involves safeguarding the quality of the earth's air, water, soil, and other species. Postmodern critics have shown, however, that "nature" is not simply a given, physical object but a social construction,an entity that assumes meaning within various cultural contexts and is fundamentally unknowable outside of human categories of understanding. This criticism raises significant challenges for global environmental politics. How can societies protect the nonhuman world if the very identity of that enterprise is cast into doubt? How can states cooperate to protect nature if the meaning of the term is socially and historically contingent? This article argues that postmodern criticisms of "nature" do not undermine global environmental protection efforts,as many IR scholars suggest,but rather provide their own guidelines for practice. Postmodernists value the so-called "other"; they aim to give voice to the poor, oppressed, and otherwise disadvantaged in an attempt to limit hegemonic tendencies of the powerful. The article calls on postmodernist IR scholars to take their own concerns seriously and stand up for the paradigmatic "other," the nonhuman world in all its abundance and diversity. It calls on postmodern IR scholars to extend their concern for the "other" to the realm of plants, animals, landscapes, and so forth, and work to protect the radical "otherness" of the so-called natural world. The article, in other words, uses postmodern criticism against itself to ground commitment to global environmental protection. [source] An Illuminating Exchange The Construction of Social RealityAMERICAN JOURNAL OF ECONOMICS AND SOCIOLOGY, Issue 1 2003An Exchange ABSTRACT . In his The Construction of Social Reality, Searle presents an account of rights, responsibilities, obligations, duties, and similar entities in terms of the formula X counts as Y in context C, where "X" refers in the simplest case to some physical object or event and "Y" to the result of imposing upon X some deontic power or function. Smith attempts to show the limitations of this formula, focusing especially on the examples of contested property rights (where C is not uniquely defined), and of money in bank accounts and other phenomena (where no physical X -term is available). Searle responds to these criticisms, above all by pointing to the fact that some of the problems Smith raises are to be addressed not by an ontological analysis of social reality but rather through legal or political means. [source] Immersive Integration of Physical and Virtual EnvironmentsCOMPUTER GRAPHICS FORUM, Issue 3 2004Henry Fuchs We envision future work and play environments in which the user's computing interface is more closely integrated with the physical surroundings than today's conventional computer display screens and keyboards. We are working toward realizable versions of such environments, in which multiple video projectors and digital cameras enable every visible surface to be both measured in 3D and used for display. If the 3D surface positions were transmitted to a distant location, they may also enable distant collaborations to become more like working in adjacent offices connected by large windows. With collaborators at the University of Pennsylvania, Brown University, Advanced Network and Services, and the Pittsburgh Supercomputing Center, we at Chapel Hill have been working to bring these ideas to reality. In one system, depth maps are calculated from streams of video images and the resulting 3D surface points are displayed to the user in head-tracked stereo. Among the applications we are pursuing for this tele-presence technology, is advanced training for trauma surgeons by immersive replay of recorded procedures. Other applications display onto physical objects, to allow more natural interaction with them "painting" a dollhouse, for example. More generally, we hope to demonstrate that the principal interface of a future computing environment need not be limited to a screen the size of one or two sheets of paper. Just as a useful physical environment is all around us, so too can the increasingly ubiquitous computing environment be all around us -integrated seamlessly with our physical surroundings. [source] Searching for food in the wild: a nonhuman rimate's expectations about invisible displacementDEVELOPMENTAL SCIENCE, Issue 1 2001Marc D. Hauser Five experiments involving invisible displacements were run on a population of semi-free-ranging rhesus monkeys (Macaca mulatta). The goal of these experiments was to assess, without training, the kinds of expectations individuals spontaneously set up when an object has moved out of sight. The first experiment, modeled after studies of human infants and children, involved a table with one box on the top surface and a second box lined up below on the ground. An occluder was placed in front of the table, blocking the subject's view. A piece of food was then dropped behind the occluder, above the top box. The presenter then removed the occluder, walked away, and allowed the subject to approach. Consistently, subjects searched in the incorrect bottom box. This error can be interpreted as a failure to understand solidity, containment, or some other factor. It can also be interpreted as an error guided by a gravity bias, i.e. an expectation that all falling objects fall straight down or to the lowest point. Experiments 2,5 tested these alternative hypotheses. Results show that rhesus monkeys do not have an inherent bottom box bias, are not avoiding the top box, and do recognize that in some contexts boxes can contain or hold food. Thus, for example, when the two boxes are placed on the ground, one in front of the other, and occluded, subjects search in the near box after a piece of food has been rolled behind the occluder (horizontal trajectory). This shows that rhesus can solve an invisible displacement problem that involves solid containers, where one container blocks travel to the other container. We conclude that the rhesus monkey's error in Experiment 1 is guided by an expectation that all falling objects fall straight down or, at least, to the lowest point. This expectation represents a limitation of their knowledge of physical objects and events. [source] What Does the Conservation of Energy Have to Do with Physicalism?DIALECTICA, Issue 4 2006Barbara Montero The conservation of energy law, a law of physics that states that the total energy of any closed system is always conserved, is a bedrock principle that has achieved both broad theoretical and experimental support. Yet if interactive dualism is correct, it is thought that the mind can affect physical objects in violation of the conservation of energy. Thus, some claim, the conservation of energy grounds an argument for physicalism. Although critics of the argument focus on the implausibility of causation requiring the transference of energy, I argue that even if causation requires the transference of energy, once we accept the other required premises of the argument that lie behind any supposed argument from the conservation of energy the law of the conservation of energy is revealed as irrelevant to the question of whether the mental is physical. [source] 2. PRESENCE ACHIEVED IN LANGUAGE (WITH SPECIAL ATTENTION GIVEN TO THE PRESENCE OF THE PAST)HISTORY AND THEORY, Issue 3 2006HANS ULRICH GUMBRECHT ABSTRACT The aim of this essay is to ask whether what it calls the "presence" of things, including things of the past, can be rendered in language, including the language of historians. In Part I the essay adumbrates what it means by presence (the spatio-temporally located existence of physical objects and events). It also proposes two ideal types: meaning-cultures (in which the interpretation of meaning is of paramount concern, so much so that the thinghood of things is often obscured), and presence-cultures (in which capturing the tangibility of things is of utmost importance). In the modern period, linguistic utterance has typically come to be used for, and to be interpreted as, the way by which meaning rather than presence is expressed, thereby creating a gap between language and presence. Thus, in Part II the essay explores ways that this gap might be bridged, examining seven instances in which presence can be "amalgamated" with language. These range from instances in which the physical dimensions of language itself are made manifest, to those through which the physicality of the things to which language refers is supposed to be made evident. Of particular note for theorists of history are those instances in which things can be made present by employing the deictic, poetic, and incantatory potential of linguistic expression. The essay concludes in Part III with a reflection on Heidegger's idea that language is the "house of being," now interpreted as the idea that language can be the medium through which the separation of humans and the (physical) things of their environment may be overcome. The hope of achieving presence in language is no less than a reconciliation of humans with their world, including,and of most interest to historians,the things and events of their past. [source] Physical-Object Ontology, Verbal Disputes, and Common SensePHILOSOPHY AND PHENOMENOLOGICAL RESEARCH, Issue 1 2005ELI HIRSCH Two main claims are defended in this paper: first, that typical disputes in the literature about the ontology of physical objects are merely verbal; second, that the proper way to resolve these disputes is by appealing to common sense or ordinary language. A verbal dispute is characterized not in terms of private idiolects, but in terms of different linguistic communities representing different positions. If we imagine a community that makes Chisholm's mereological essentialist assertions, and another community that makes Lewis's four-dimensionalist assertions, the members of each community speak the truth in their respective languages. This follows from an application of the principle of interpretive charity to the two communities. [source] Divination and experience: explorations of a Chagga epistemologyTHE JOURNAL OF THE ROYAL ANTHROPOLOGICAL INSTITUTE, Issue 2 2006Knut Christian Myhre This article argues that anthropological approaches to African divination are characterized by a certain epistemology, which creates specific problems with regard to vernacular truth-claims. Using ethnographic material from the Chagga-speaking people of Kilimanjaro, the article traces the multiple overlapping ramifications that interrelate vernacular concepts, physical objects, and local subjectivities. By thus avoiding reductionist arguments, the article endeavours to demonstrate that careful attention to these complex lateral relationships reveals how local diviners are able ,to see', or ,be shown', the ,truth' pertaining to their clients. [source] "There has always been a relationship between design and technology": Ron Arad on Interactivity and Low-Res DesignARCHITECTURAL DESIGN, Issue 1 2005Lucy Bullivant Abstract Best Known for his tactile and colourful furniture designs, Ron Arad also experiments with multimedia technologies in his interactive installation and built work. Lucy Bullivant talks to Arad and discovers how he transfers the pleasures of one medium over to another: his impulse to ,bounce' physical objects such as his tempered steel ,rolling shells', translating into low-res interactive responses on demand , a technological tactility. Copyright © 2005 John Wiley & Sons, Ltd. [source] | ||||||||||