1,151 research outputs found

    Alumnus Hopes to Help Students Avoid His Mistakes

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    Rosenthal to Lead Magee Institute

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    Brittle fracture investigations in selection of an optimum steel for heavy ship plate

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    Investigations have been undertaken to evaluate some of the geometrical properties influencing brittle behavior. In doing this, several and various fracture tests have been conducted

    Designing New Worlds::Design, evaluation and specification of user experiences within immersive environments

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    his is a research project in collaboration with the Ulster Museum in Belfast (NMNI) and Ulster University. This project will design an immersive VR experience for NMNI’s most popular key exhibit, the Twenty-fifth dynasty Egyptian mummy Takabuti. It will provide the possibility to virtually make Takabuti and the world she knew digitally live again in a VR experience.The aims of this project are: (i) to explore the power of rich storytelling – ‘story living’ as a key spatial design tool to improve immersive User Experience (UX), (ii) to investigate the UX of immersive reality platforms and design and evaluate a narrative driven case study (Takabuti) where the technology has been adopted,(iii) to subsequently identify and evaluate a series of guidelines for designing immersive technology and improving user experiences, informed by expert and lay user groups.Recreating in VR a museum map room, part of Karnak temple, an upper-class Egyptian home and an Egyptian afterlife environment based on the beliefs of the time. Documenting and exploring (through Reflective Practise) the fully immersive techniques/tools used to create and develop a ‘story living’ immersive experience with a positive User Experience (UX). Developing a new form of narrative based design which some term ‘Story living’ is crucial to VR UX design. Unique to all other visual/interactive mediums, VR places participants at the very centre of an experience, as both audience and director of all that happens within that experience. The participant moves through a story, VR is after all a spatial medium and not frames based like film. A current lack of understanding of how to design for VR results in poor UX. Never more so than when the VR experience is museum sector based and has the added roles of historical authenticity, usability, and storyteller educationally to a wide range of participants

    Meta-Analysis of Mitochondrial DNA Reveals Several Population Bottlenecks during Worldwide Migrations of Cattle

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    Several studies have investigated the differentiation of mitochondrial DNA in Eurasian, African and American cattle as well as archaeological bovine material. A global survey of these studies shows that haplogroup distributions are more stable in time than in space. All major migrations of cattle have shifted the haplogroup distributions considerably with a reduction of the number of haplogroups and/or an expansion of haplotypes that are rare or absent in the ancestral populations. The most extreme case is the almost exclusive colonization of Africa by the T1 haplogroup, which is rare in Southwest Asian cattle. In contrast, ancient samples invariably show continuity with present-day cattle from the same location. These findings indicate strong maternal founder effects followed by limited maternal gene flow when new territories are colonized. However, effects of adaptation to new environments may also play a rol
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