Investigating the potential of on-line 3D virtual environments to improve access to museums as both an informational and educational resource

New digital technological possibilities allow physical museum artefacts to be transferred into a virtual environment using 3D computer models with rich information content for educational purposes. However, although several museum websites have applied relevant educational theories to learning activities in these 3D environments, these alone are not enough to develop 3D museum environments without consideration of virtual visiting styles in the learning context. This research addresses the relationship between visiting styles and the design of 3D museum environments based on pedagogic approaches for learning efficacy. Relevant literature on the nature of web-based museum systems was reviewed. Three stages of primary research (a critical review, observations and interviews) were also conducted in this study. The critical review examined the use of 3D technologies in current museum websites in terms of informational aspects and the learning context. The observation studies identified the relationship between visitor behaviours and associated learning activities within 3D museum environments. The interviews further elicited experts’ views and were used to test the research hypotheses. A theoretical design reference model was developed. Initially based on the Reeves multimedia design model, the model consists of three phases: analysis, design and assessment. A prototype 3D exhibition was created based on the theoretical model and two pedagogic approaches. Evaluation of this showed that the design of the exhibits with rich multimedia formats had the potential for more effective visitor learning. The two pedagogic approaches encouraged the related visiting style(s), leading to a deeper engagement with the content and ultimately improving learning efficiency

THE COMPARISON OF WORK INTENSITY AND EXERCISE PERFORMANCE BETWEEN

This experiment is to investigate the kinematic and dynamic variables of drop jumps (DJ) in order to understand the differences on force and sport performance between two different stretch amplitudes of SSC movements. The short-stretch DJ and long-stretch DJ were performed by 11 subjects of jumpers and sprinters with average ages 23.18±2.64 years, heights 173.0±4.03cm and weights 64.31±5.97kg. AMIT force-platform and Penny electrical goniometer were used to record ground reaction forces and angular displacements. The short-stretch DJ endured larger work intensity of initial eccentric phase at the 25ms and PK2, developed larger force and loading rate at the end of prestretch and enhanced concentric average force. Although the long-stretch DJ didn’t develop larger forces during concentric and concentric phases, it had a longer supporting time that helped to increase the momentum and ended up with the higher flight-height. When we practice SSC exercise with the intent to increase the concentric force, the method of short-stretch DJ should be adopted. If the purpose is to jump higher, the longstretch DJ is recommended

Domain wall brane in a reduced Born-Infeld-f(T)f(T) theory

The Born-Infeld $f(T)$ theory is reduced from the Born-Infeld determinantal gravity in Weitzenb\"ock spacetime. We investigate a braneworld scenario in this theory and obtain an analytic domain wall solution by utilizing the first-order formalism. The model is stable against the linear tensor perturbation. It is shown that the massless graviton is localized on the brane, but the continuous massive gravitons are non-localized and will generate a tiny correction with the behavior of ${1}/{(k r)^{3}}$ to the Newtonian potential. The four-dimensional teleparallel gravity is recovered as an effective infrared theory on the brane. As a physical application, we consider the (quasi-)localization property of spin-1/2 Dirac fermion in this model.Comment: 9 pages, 2 figures, published versio

THE ANALYSIS OF ELASTIC STIFFNESS BETWEEN THE SHORT-STRETCH AND LONG-STRETCH DROP JUMPS

This experiment is to investigate the elastic stiffness of drop jumps (DJ) in order to understand capacity of elastic energy between the short-stretch DJ and long-stretch DJ. Force-platform and electrical goniometer were used to record ground reaction forces and angular displacements of the 11 subjects. The phenomenon of stiffness discovered on the individual muscle of animal also existed in this experiment with the human being implementing the explosive SSC movement, because: 1) The short-range stiffness was significantly larger than eccentric stiffness, 2) Eccentric stiffness was larger than concentric stiffness. When comparing with long-stretch DJ, short-stretch DJ had better capacity of utilizing elastic energy by inducing larger eccentric stiffness and produced larger power by taking a jump of faster concentric average velocity. if the purpose is to induce the capacity of utilizing elastic energy and produce larger power, the short-stretch DJ is recommended