1,896 research outputs found

    The People\u27s War: ldentification and the Logic of Good Reasons in British Propaganda in the U.S., 1939-1941

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    This study examines the persuasive nature of British propaganda in the United States between the years of 1939 and 1941. Radio scripts, serialized publications and pamphlets produced for distribution during this period are examined for the use of Burke\u27s ( 1969) concept of identification and their ability to meet to the standards of Fisher\u27s (1989) logic of good reasons. The study concludes that British propaganda made extensive use of identification and meets the standards of the logic of good reasons. The study also identifies three phases of British propaganda in which slightly different persuasive approaches are used

    Integration of a Sensory Driven Model for Hand Grasp Function in 3D Printed Prostheses

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    My Honors Thesis was completed through the Biomedical Engineering senior design project I worked on. Our project took a mechanically operated 3D printed prosthetic hand and automated the process by which it makes a grasp. The purpose of this project was to provide an affordable, automatic prosthetic hand to those either capable and incapable of wrist flexion. The current 3D printed prosthetic models require users to bend their wrist to initiate a simple grasp. However, our design took an alternative approach by using an EMG sensor placed on the ventral side of the forearm to record muscle activity, which, upon meeting a threshold value, would enact the grasp function. To achieve a fully-automated grasp, we also had to integrate a micro-linear actuator and an Arduino microcontroller to the base model. These three electronic sensors and processors worked together to communicate with each other, so that when muscle activations were strong enough in the forearm, the prosthetic device would appropriately execute a grasp

    CMakeCatchTemplate: A C++ template project

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    CMakeCatchTemplate (https://github.com/MattClarkson/CMakeCatchTemplate) is a project to provide a starting structure for C++ projects configured with CMake, that can be customised to work in a variety of scenarios, allowing developers to deploy new algorithms to users in a shorter timeframe. Main features include a SuperBuild to build optional dependencies; unit tests using Catch; support for CUDA, OpenMP and MPI; examples of command line and GUI applications; Doxygen integration; Continuous Integration templates and support for building/deploying Python modules

    Simulating `Complex' Problems with Quantum Monte Carlo

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    We present a new quantum Monte Carlo algorithm suitable for generically complex problems, such as systems coupled to external magnetic fields or anyons in two spatial dimensions. We find that the choice of gauge plays a nontrivial role, and can be used to reduce statistical noise in the simulation. Furthermore, it is found that noise can be greatly reduced by approximate cancellations between the phases of the (gauge dependent) statistical flux and the external magnetic flux.Comment: Revtex, 11 pages. 3 postscript files for figures attache

    Three-Body approach to the K^- d Scattering Length in Particle Basis

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    We report on the first calculation of the scattering length A_{K^-d} based on a relativistic three-body approach where the two-body input amplitudes coupled to the Kbar N channels have been obtained with the chiral SU(3) constraint, but with isospin symmetry breaking effects taken into account. Results are compared with a recent calculation applying a similar set of two-body amplitudes,based on the fixed center approximation, considered as a good approximation for a loosely bound target, and for which we find significant deviations from the exact three-body results. Effects of the hyperon-nucleon interaction, and deuteron DD-wave component are also evaluated.Comment: 5 pages, Submitted to Phys. Rev.

    Exact Monte Carlo time dynamics in many-body lattice quantum systems

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    On the base of a Feynman-Kac--type formula involving Poisson stochastic processes, recently a Monte Carlo algorithm has been introduced, which describes exactly the real- or imaginary-time evolution of many-body lattice quantum systems. We extend this algorithm to the exact simulation of time-dependent correlation functions. The techniques generally employed in Monte Carlo simulations to control fluctuations, namely reconfigurations and importance sampling, are adapted to the present algorithm and their validity is rigorously proved. We complete the analysis by several examples for the hard-core boson Hubbard model and for the Heisenberg model

    Attention to detail: A photo‐elicitation study of salience and packaging design for portion control and healthy eating

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    Evidence demonstrates that food packaging attracts consumers to purchase and has the potential to nudge consumers towards healthy choices, including reducing portion size. However, food purchasing decisions are often automatic and packaging features may go unnoticed. Therefore, it is important to understand what consumers identify as most salient about packaging: what they notice and why, and which elements might nudge consumers towards healthy options and smaller portions of high-energy-density foods. This study explored consumer perception of food packaging, investigated specific features associated with portion control and elicited design ideas to improve packaging for healthy eating and downsizing. A qualitative approach was adopted applying a participant-driven photo-elicitation (PDPE) task with in-depth interviews. Participants were 25 adults living in the UK (aged 20–32 years; 17 females, 8 males, x BMI = 23 kg/m2). Participants took photographs of 10 food packages according to salience (n = 5) and portion control (n = 5). These were uploaded to a secure site and then discussed at the interview, which was transcribed and analysed. The salience of packaging was described in terms of trust building, stimulating appetite and relating to self-identity, whereas for portion control, themes included structural reminders, healthy prompts and portion awareness. Packaging can be designed to make health value or serving size more salient by prompting portion control and increasing the attractiveness of packaging. While food purchase decisions happen with little deliberation, when probed, consumers provide useful insights for packaging design to assist portion control
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