Evaluating system usability of mobile augmented reality application for teaching Karnaugh-Maps

The education system evolves and transforms towards interactive and immersive learning tools in this digital age. Augmented reality has also evolved as a ubiquitous, robust, and effective technology for providing innovative educational tools. In engineering education, many abstract concepts require technological intervention for conceptual understanding and better instructional content. While learning through the immersive tools, system usability has great importance in terms of effectiveness, efficiency, and satisfaction. Effectiveness refers to users' accuracy and completeness in achieving defined goals; efficiency relates to expended resources about the precision and completeness with which users achieve their objectives; satisfaction deals with a positive attitude towards using the product. If the system fails to provide good usability, it may cause adverse effects such as increasing stress, lacking necessary features, increasing the users' cognitive load, and negatively impacting the student's motivation. In this study, two mobile augmented reality (MAR) applications were developed as an instructional tool to teach the students about Karnaugh maps in the digital electronics course. The first application is a Keypad-based MAR application that uses a keypad matrix for user interaction and the second application is a Marker-based MAR application that uses multiple markers to solve K-Map for producing an optimum solution of the given problem. An experimental study was conducted to determine the student's opinion of the developed MAR applications. The study was designed to determine the system usability of the two MAR applications using the System Usability Score (SUS) and Handheld Augmented Reality Usability Score (HARUS) models. 90 engineering students participated in the study, and they were randomly divided into two different groups: keypad-based group and Marker-based group. The keypad-based group included 47 students who had hands-on experience with a keypad-based MAR application, whereas the marker-based group included 43 students who had hands-on experience with multiple marker-based MAR applications. The experimental outcomes indicated that the keypad-based MAR application has better SUS and HARUS scores than the marker-based MAR application which suggests that the keypad-based MAR application has provided better user interaction.

The application of ethnographic methods to engineering for global development: the case of the Improvised Betel Nut Cutter

This technical brief is an attempt to report a case analysis of Engineering for Global Development (EGD) research from India. As a part of the engineering design and research project, two models of Improvised Betel Nut Cutter (IBNC) are designed, manufactured and field-tested. Engineering ethnography is adopted as a research tool during the design process of IBCN. It facilitated the participation of local stakeholders in the design process which is found to be effective for contextual understandings of the target community's needs, aspirations, constraints and socio-cultural norms and values. The technological intervention is expected to solve the problems like finger cuts, health drudgery (musculoskeletal pain, back pain, etc.) of the women involved in the supari business in Assam, India. It will also improve productivity and efficiency in the supari cutting practices of women. This case analysis depicts the effectiveness of trans-disciplinary effort in solving complex engineering problems at the bottom of the pyramid (BOP). Evidence gathered from this study is expected to be a useful resource for future endeavours in EGD research.

انسانی کلوننگ کا شرعی و تحقیقی مطالعہ

This paper explores the diverse social, cultural and scientific facets of coloning as an alternate means of human reproduction. We review the various types, and implications of coloning as practiced in the modern world, specifically as a means of child birth for infertile parents. We also present the Islamic injunctions and worldview on different types of cloning. We assert that although biological cloning can be an productive technological intervention to promote agriculture yield, however it’s application for human reproduction is inappropriate, and finds no support in Islamic injunctions. Therefore, our paper suggest that human cloning should be prohibited acknowledging its socioeconomic demerits.

Psycho-social Impact of Covid 19 and Technological Intervention towards Preserving Social Interactions in Sri Lanka

COVID 19 pandemic has been made plenty of socio-economic and health crisis in worldwide. The research problem in this study was, how does technology intervene in social interaction and the research question was ‘what is the psycho-social effects of social distance during the Covid 19 period’. Study Objectives were limited to identifying the features of the psycho-social situation of students who are in the age group of 18-25 and to identifying the technological impact of maintaining social interaction. The alternative hypothesis was, ‘there is an impact between technological intervention towards preserving social interactions. The ontological approach of this research is objectivism and the epistemological approach is positivistic. The research type is descriptive, cross-sectional and quantitative. The research was designed with a survey method. The hypothesis was tested through validated questionnaires. The sample was obtained using the simple random method which is representing the probability sampling method. There is more time to spend with family members. Family contact for more than 16 hours has been increased by 9%. Talking time with friends has been increased. The time allocated for studies has been relatively reduced. But the time for leisure time activities has been increased. Outdoor sports by young people have dropped by 32%. Young people are isolated in every way. Young people use technology to reduce distance. The most common devices are smartphones and laptops. 47% of young people have not seen a doctor during the Covid period for any disease. Only about 10% have seen a doctor for mucosal diseases. About 50% of young people have stress. Anxiety and depression are also more with young people. There is no mental disease with 33% of them. They mostly feel loneliness, tension, and frustration. But some of them feel relaxed and happy.50% of them feel that they have extra time during this period. They use it to chat with family members and friends. But they lost their extra-curricula activities. They have an idea to adjust to new normal situations via technology.

Assessment of the Impact of COVID-19 on Operations of Local Businesses and Level of Enforcement of Public Health Safety Measure within Business Premises: A Quantitative Study of Businesses in Huye-Rwanda

The impact of COVID-19 has been felt across all sectors, from transportation, education, and public works to the daily operations of businesses like selling, retailing, and so forth. The business sector is among those badly affected, especially micro, small, and medium enterprises. The understanding of ground prevailing conditions is key in driving informed policies that would have meaningful impact on society with regard to overcoming the effects of the virus. Hence, this work is an attempt to report the real ground statistics and necessity of technological support with the goal of submitting a report of recommended policies to the concerned authorities. In this direction, this work presents the outcome of a survey conducted to assess the impact of COVID-19 on operations of micro, small, and medium enterprises and also to find out the interventions put in place around business environments so as to enforce adherence to COVID-19 health safety measures. The survey was part of a study to develop automated IoT-powered technological solutions that would help to enforce proper mask wearing in indoor environments and also observance of social distance requirements within business premises. A customized questionnaire was designed to capture data on various aspects central to the focus of the study. The study was carried out in the month of May 2021, in the Huye district of Rwanda. According to the survey findings, the major challenges faced by businesses due to COVID-19 include failure by clients to settle bills, reduced ability to expand investment, difficulty in accessing inputs domestically, lower domestic sales to consumers, and lower domestic sales to businesses. The results also reveal some positive points that most businesses were found to have: hand washing points, hand sanitizer dispensers, and mechanisms to enforce social distance between customer and customer and also customer and front desk worker. In a nutshell, this work is unique in terms of (1) the customized questionnaire about Rwanda’s needs, (2) field visit-based data collection for accurate data, and (3) including an assessment of the importance of technological intervention for better handling of public safety, especially in the MSME business sector.

Off the Beaten Track: a Postmodern Feminist Analysis of Rural Midwifery and Rural Media Health Discourses

<p>Change was a constant companion for New Zealand midwives during the 1990's. The Nurses Amendment Act 1990, that restored midwifery autonomy was only one of a constellation of changes that saw significant restructuring of the health services in small communities. The purpose of this study was to look at the issues for a group of midwives in rural South Otago who took the opportunity to work independently and offer local women a choice of maternity care during this time. In this study, five rural midwives were interviewed and met subsequently in a focus group. The transcripts were analyzed using discourse analysis informed by a postmodern/feminist theoretical framework. In addition the local newspapers covering the years 1990-1999 were read with a particular focus on the reports of health changes. These texts were also subjected to a discourse analysis using Lyotard's (1997) notion of language games, and bell hook's (1990) ideas around strategic positioning for the marginalised. To practise autonomously, the midwives in this study perform an intricate dance, balancing the contradictions of competing discourses. Their positioning and place of difference is tensioned primarily by a deep sense of community commitment and entanglement, and also by a feeling of physical and perceptual distance from their urban midwifery colleagues. This is underpinned by a staunch belief in women's ability to birth safely in their local area. The findings of this study suggest that the continuation of a comprehensive rural midwifery service is challenged by changes in the arrangement and funding of rural health, plus the increasing use of medical and technological intervention in childbirth. For rural midwifery to survive, this study shows that midwives need to remain flexible and alert while continuing to align themselves with women who are their primary source of support and inspiration. At the same time, they need to forge strategic linkages and alliances, both local and national that will allow them to move and reposition in order to continue their work and provide a realistic childbirth choice for rural women.</p>

Off the Beaten Track: a Postmodern Feminist Analysis of Rural Midwifery and Rural Media Health Discourses

<p>Change was a constant companion for New Zealand midwives during the 1990's. The Nurses Amendment Act 1990, that restored midwifery autonomy was only one of a constellation of changes that saw significant restructuring of the health services in small communities. The purpose of this study was to look at the issues for a group of midwives in rural South Otago who took the opportunity to work independently and offer local women a choice of maternity care during this time. In this study, five rural midwives were interviewed and met subsequently in a focus group. The transcripts were analyzed using discourse analysis informed by a postmodern/feminist theoretical framework. In addition the local newspapers covering the years 1990-1999 were read with a particular focus on the reports of health changes. These texts were also subjected to a discourse analysis using Lyotard's (1997) notion of language games, and bell hook's (1990) ideas around strategic positioning for the marginalised. To practise autonomously, the midwives in this study perform an intricate dance, balancing the contradictions of competing discourses. Their positioning and place of difference is tensioned primarily by a deep sense of community commitment and entanglement, and also by a feeling of physical and perceptual distance from their urban midwifery colleagues. This is underpinned by a staunch belief in women's ability to birth safely in their local area. The findings of this study suggest that the continuation of a comprehensive rural midwifery service is challenged by changes in the arrangement and funding of rural health, plus the increasing use of medical and technological intervention in childbirth. For rural midwifery to survive, this study shows that midwives need to remain flexible and alert while continuing to align themselves with women who are their primary source of support and inspiration. At the same time, they need to forge strategic linkages and alliances, both local and national that will allow them to move and reposition in order to continue their work and provide a realistic childbirth choice for rural women.</p>

Potential for More Sustainable Energy Usage in the Postharvest Handling of Horticultural Produce through Management of Ethylene

The perishable nature of fruit and vegetables requires some technological intervention to maintain quality during handling and marketing. The technology of choice for many years has been use of low temperatures as it is effective in reducing metabolism and hence extend postharvest life. However, refrigerated storage is energy intensive and the growing urgency to reduce international greenhouse gas emissions has created a need for technologies that are more environmentally sustainable but still acceptable to consumers. Ethylene is well known to promote ripening and senescence of fruit and vegetables. This presentation will review the existing data that support the potential for managing the concentration of ethylene in the atmosphere around produce in postharvest situations to allow a reduced reliance on refrigeration and thus reduce energy consumption. Methods for managing ethylene levels around produce, and barriers that need to be overcome in order to move from a temperature-based mindset are discussed.