1,721,112 research outputs found
Benefits of a physics-driven interdisciplinary final project for mechanical engineering undergraduates
No full textIn the context of higher education, the call for interdisciplinary learning is becoming increasingly imperative. This holds especially true for fields like Mechanical Engineering, where complex challenges often transcend the boundaries of traditional disciplines. On the other hand, active learning activities promote curiosity, enjoyment, and interest. An interdisciplinary final project with an 'active' approach creates an opportunity for students to integrate and apply knowledge across multiple subject areas. In this contribution, we discuss the results obtained in the Bachelor of Mechanical Engineering of the University of Palermo (Italy) in the last three years, since the Bachelor's degree candidates have had the possibility to choose an interdisciplinary final project, showing that it offers a myriad of advantages that not only prepare students for real-world scenarios but also foster innovation and holistic problem-solving skills. By exposing students to interdisciplinary challenges, these projects ensure that graduates are equipped to navigate the complexities of emerging technologies and adapt to changing industry dynamics. The challenges and possibilities of these self-directed thinking are also discussed
Introduction: Gender and work in twentieth-century Italy: new approaches
Full text linkThis introduction to the special issue ‘Gender and Work in Twentieth-Century Italy’ draws on key strands of historical scholarship on gender and work, including women workers’ experiences, labour market discrimination, domestic work, the impact of gender norms, and ideas of masculinity and femininity on work identities. It traces the development of feminist influence within this scholarship, from making women workers’ experiences visible to challenging essentialist notions of gender identities. Drawing on post-structuralist and intersectional perspectives, particularly influenced by Joan Wallach Scott and Judith Butler, the scholarship on which this special issue is based understands gender as a system of power signified through language and social constructions, and builds on the critique of the dichotomies and essentialisations of traditional labour history, proposing a systemic and structural approach to understanding gendered experiences of work. By exploring the intersections of gender, work and power, this collection offers insights into wider European developments and challenges established historical concepts and narratives. It highlights the importance of understanding gender dynamics in shaping labour relations and social structures, ultimately contributing to a more nuanced understanding of labour and power dynamics in twentieth-century Italy and beyon
Elucidating the electron transport in semiconductors via Monte Carlo simulations: An inquiry-driven learning path for engineering undergraduates
No full textWithin the context of higher education for science or engineering undergraduates, we present an inquiry-driven learning path aimed at developing a more meaningful conceptual understanding of the electron dynamics in semiconductors in the presence of applied electric fields. The electron transport in a nondegenerate n-type indium phosphide bulk semiconductor is modelled using a multivalley Monte Carlo approach. The main characteristics of the electron dynamics are explored under different values of the driving electric field, lattice temperature and impurity density. Simulation results are presented by following a question-driven path of exploration, starting from the validation of the model and moving up to reasoned inquiries about the observed characteristics of electron dynamics. Our inquiry-driven learning path, based on numerical simulations, represents a viable example of how to integrate a traditional lecture-based teaching approach with effective learning strategies, providing science or engineering undergraduates with practical opportunities to enhance their comprehension of the physics governing the electron dynamics in semiconductors. Finally, we present a general discussion about the advantages and disadvantages of using an inquiry-based teaching approach within a learning environment based on semiconductor simulations
Design of an open-lab activity for engineering students: A case study
Full text linkProject- or discovery-based learning activities promote curiosity, enjoyment, and interest deriving from the stimulating context in which students operate. Providing a concrete contextualization of laboratory activities could improve student motivation and learning outcomes. In this contribution, a case study related to a workshop on laboratory activities proposed for Engineering Master students is presented, and designed with the aim of developing practical competencies, increasing problem-solving skills, and providing design abilities. Using the facilities available in the Measurements and Control Laboratory, the students, starting from concept knowledge acquired in basic subjects, such as Physics, Chemistry, Mathematics, and Electronics, design and implement their experiments, gaining a deeper understanding of core disciplinary concepts while strengthening soft and teamwork skills. The challenges and possibilities of these self-directed thinking and learning laboratory activities are also discussed
External noise effects on the electron velocity fluctuations in semiconductors
No full textWe investigate the modification of the intrinsic carrier noise spectral
density induced in low-doped semiconductor materials by an external correlated
noise source added to the driving high-frequency periodic electric
field. A Monte Carlo approach is adopted to numerically solve the transport
equation by considering all the possible scattering phenomena of the
hot electrons in the medium. We show that the noise spectra are strongly
affected by the intensity and the correlation time of the external random
electric field. Moreover, this random field can cause a suppression of the
total noise power
Going Beyond Counting First Authors in Author Co-citation Analysis
Full text linkThe present study examines one of the fundamental aspects of author co-citation analysis (ACA) - the way co-citation
counts are defined. Co-citation counting provides the data on which all subsequent statistical analyses and mappings
are based, and we compare ACA results based on two different types of co-citation counting - the traditional type that
only counts the first one among a cited work's authors on the one hand and a non-traditional type that takes into
account the first 5 authors of a cited work on the other hand. Results indicate that the picture produced through this non-traditional author co-citation counting contains more coherent author groups and is therefore considerably clearer. However, this picture represents fewer specialties in the research field being studied than that produced through the traditional first-author co-citation counting when the same number of top-ranked authors is selected and analyzed. Reasons for these effects are discussed
Variations on the Author
Full text link“Variations on the Author” discusses two of Eduardo Coutinho’s recent films (Um Dia na Vida, from 2010, and Últimas Conversas, posthumously released in 2015) and their contribution to the general question of documentary authorship. The director’s filmography is characterized by a consistent yet self-effacing form of authorial self-inscription: Coutinho often features as an interviewer that rather than express opinions propels discourses; an interviewer that is good at listening. This mode of self-inscription characterizes him as an author who is not expressive but who is nonetheless markedly present on the screen. In Um Dia na Vida, however, Coutinho is completely absent form the image, while Últimas Conversas, on the contrary, includes a confessional prologue that moves the director from the margins to the center of his films. This article examines the ways in which these works stand out in the filmography of a director who offers new insights into the notion of cinematic authorship
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