Exploring Cross-Cultural Differences In Social Knowledge Creation And Exchange: A Preliminary Examination

This paper chronicles an exploratory, in-progress research project that compares the findings of Hofstede’s cross-cultural research with those of Forrester’s Social Technographics research.  The aim of the project is to determine if a relationship exists between cultural differences and social knowledge creation and exchange.  Part one of the study mapped Davenport and Prusak’s information and knowledge creation theories to the six components of Forrester’s Social Technographics study (creators, critics, collectors, joiners, spectators, and inactives).  Next, the Social Technographics results from 13 nations were compared with Hofstede’s four cultural dimensions (power distance, individualism, uncertainty avoidance, masculinity).  The analysis included exploring the relationship visually using 24 scatter diagrams, running correlation coefficients (Peasson’s r) for each relationship, testing for significance of Pearson’s r, and finally conducting regression analyses on each relationship. Although the authors believe that culture influences behaviours, this study did not reveal any reasonable relationships between culture and placement along the Social Technographics.  However, it is possible that there exists problems in the Hofstede scales.  The Hofstede scales have been highly criticized in the literature.  It may be that other cross-cultural models such as GLOBE, Schwartz, Triandis, or others may yield different results.  In this regard, further research is necessary.  The next phase of the project will compare Social Technographics with the GLOBE project findings

Healthy aims: developing new medical implants and diagnostic equipment

Healthy Aims is a €23-million, four-year project, funded under the EU’s Information Society Technology Sixth Framework program to develop intelligent medical implants and diagnostic systems (www.healthyaims.org). The project has 25 partners from 10 countries, including commercial, clinical, and research groups. This consortium represents a combination of disciplines to design and fabricate new medical devices and components as well as to test them in laboratories and subsequent clinical trials. The project focuses on medical implants for nerve stimulation and diagnostic equipment based on straingauge technology

Finite element approximation of surfactant spreading on a thin film

Published versio

An ancient pathway combining carbon dioxide fixation with the generation and utilization of a sodium ion gradient for ATP synthesis

Synthesis of acetate from carbon dioxide and molecular hydrogen is considered to be the first carbon assimilation pathway on earth. It combines carbon dioxide fixation into acetyl-CoA with the production of ATP via an energized cell membrane. How the pathway is coupled with the net synthesis of ATP has been an enigma. The anaerobic, acetogenic bacterium Acetobacterium woodii uses an ancient version of this pathway without cytochromes and quinones. It generates a sodium ion potential across the cell membrane by the sodium-motive ferredoxin:NAD oxidoreductase (Rnf). The genome sequence of A. woodii solves the enigma: it uncovers Rnf as the only ion-motive enzyme coupled to the pathway and unravels a metabolism designed to produce reduced ferredoxin and overcome energetic barriers by virtue of electron-bifurcating, soluble enzymes

C60_{60} in intense femtosecond laser pulses: nonlinear dipole response and ionization

We study the interaction of strong femtosecond laser pulses with the C$_{60}$ molecule employing time-dependent density functional theory with the ionic background treated in a jellium approximation. The laser intensities considered are below the threshold of strong fragmentation but too high for perturbative treatments such as linear response. The nonlinear response of the model to excitations by short pulses of frequencies up to 45eV is presented and analyzed with the help of Kohn-Sham orbital resolved dipole spectra. In femtosecond laser pulses of 800nm wavelength ionization is found to occur multiphoton-like rather than via excitation of a ``giant'' resonance.Comment: 14 pages, including 1 table, 5 figure

Model Validation Using Crowd-Sourced Data From A Large Pluvial Flood

On 28 June 2012, Newcastle upon Tyne, UK, was hit by a large convective storm delivering 45 mm of rain in less than two hours. Although not large on a world scale, the event had a big local impact. Widespread areas of the city were inundated and traffic was blocked in and around the city for about 6 hours. The following morning there was very small amount of visible evidence that the event happened. To gather data about the event through crowd sourcing Newcastle University organised and publicised a web page inviting public to upload their flood photographs, pin them on the map and optionally write a comment. In a more classical manner Newcastle City Council sent questionnaires to all the residents in the streets from which they received any reports about the flood and asked them to describe the flood in and around their properties. Data gathered from these sources were used to validate and calibrate the model of this event simulated using the hydrodynamic modelling software CityCAT developed at Newcastle University. CityCAT combines very accurate numerical methods with advanced software architecture providing both ease of use and accuracy in performance. Combination of those two main properties enables modelling of complex flow situations such as propagation of shocks and flows over initially dry areas, commonly in urban flash floods. Agreement between the gathered data and modelling results was satisfying at a majority of places when reduced rainfall input accounting for the drainage network was used. Crowd-sourced data, photographs and questionnaires, have proven to be effective tools in model calibration/validation

Quantum Color Transparency and Nuclear Filtering

Color transparency is the proposal that under certain circumstances the strong interactions can be reduced in magnitude. We give a comprehensive review of the physics, which hinges on the interface of perturbative QCD with non--perturbative strong interactions. Color transparency is complementary to {\it nuclear filtering}, which is the conversion of quark wave functions in hadrons to small transverse space dimensions by interaction with a nuclear medium. We review current approaches, including pictures based on modeling the time evolution of hadronic wave--packets as well as the use of light cone matrix elements. Spin plays an intrinsic role in testing and understanding the physics and is discussed at length. We emphasize the use of data analysis procedures which have minimal model dependence. We also review existing experimental data and the experimental program planned at various facilities. The subject has strong scientific complementarity and potential to make progress in exploring hadron physics at current and future facilities.Comment: 131 pages, review article in LaTeX to appear in Physics Reports, no postscipt figures, approximately 30 figures available from Ralston on reques