Many natural and man-made media such as the atmosphere, oceans, geophysical media, biological media, and composite and disordered materials have random spatial inhomogeneities and vary randomly in time, and these media are called “random media. ’’ Microwaves, optical waves, and acoustic waves propagating in these media experience random fluctuations in space and time, and these fluctuations aff...

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Follow this and additional works at: http://scholarship.law.upenn.edu/faculty_scholarship Part of the Broadcast and Video Studies Commons, Communications Law Commons, Communication Technology and New Media Commons, Computer Law Commons, Digital Communications and Networking Commons, Infrastructure Commons, Law and Society Commons, Science and Technology Commons, and the Science and Technology P...

This article explores the intricate interrelationships between discourses on identity and themultiple processes associated with increasing globalization in the modern age. Globalization is notonly often exclusively associated with worldwide economic integration and the emergence of aborderless global market but also involves sweeping changes on the social, cultural and politicaldomains. Further...

Currently, popular operating systems are unable to support the end-toend real-time requirements of distributed continuous media. Furthermore, the integration of continuous media communications software into such systems poses significant challenges. This paper describes a design for distributed multimedia support in the Chorus micro-kernel operating system environment which provides the necessa...

Currently, popular operating systems are unable to support the end-to-end real-time requirements of distributed continuous media. Furthermore, the integration of continuous media communications software into such systems poses significant challenges. This paper describes a design for distributed multimedia support in the Chorus micro-kernel operating system environment which provides the necess...

This paper presents a social simulation in which we add an additional layer of mass media communication to the social network 'bounded confidence' model of Deffuant et al (2000). A population of agents on a lattice with continuous opinions and bounded confidence adjust their opinions on the basis of binary social network interactions between neighbours or communication with a fixed opinion. The...

New media as they are established by information and communications technology demand for reconsidering the notion of a medium as a carrier of information and with it the concepts for representation, organization, processing and dissemination of information. We explore a general model for media, the Computational Media Metaphor and utilize Rewriting Logic and Labelled Deductive Systems to model...

The evolutionary and behavioral significance of an animal's color patterns remains poorly understood [1-4], not least, patterns that reflect ultraviolet (UV) light [5]. The current belief is that UV signals must be broad and bold to be detected because (1) they are prone to scattering in air and water, (2) when present, UV-sensitive cones are generally found in low numbers, and (3) long-wavelen...