Hochschule Bonn-Rhein-Sieg

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    Mythen der Alterssicherung auf Social Media. Eine Analyse von YouTube- und TikTok-Videos

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    Vor dem Hintergrund der zunehmenden Bedeutung von Social Media in unserer Gesellschaft untersucht der Beitrag, wie Influencer:innen auf den Plattformen YouTube und TikTok den Diskurs über Alterssicherung prägen. Die Analyse zeigt, welche Mythen über Rente und Alterssicherung in den Videos verbreitet werden. Populär ist der Ungerechtigkeitsmythos, wonach politische Eliten und das Ausland für geringe Rentenansprüche der lang und hart arbeitenden Bevölkerung verantwortlich gemacht werden. Häufig wird die gesetzliche Rente auch als schlecht performendes Anlageprodukt dargestellt, um im Anschluss daran Tipps für die private Altersvorsorge zu verbreiten und zu legitimieren. Kommerzielle Motive der Influencer:innen mischen sich teilweise bei der Verbreitung von Rentenmythen mit einem allgemeinen Misstrauen gegenüber demokratischen Institutionen. Es wird deutlich, dass der Paradigmenwechsel in der deutschen Alterssicherung von 2001 hin zu einer mehrsäuligen Alterssicherung die Mythenbildung begünstigt hat.Social media is gaining importance in our society. Against this background, we analyse how influencers active on YouTube and TikTok impact the discourse about old-age-security. We show which myths about public pensions and old-age-security are disseminated. One popular example is the unfairness-myth, which assumes that the political elite and expenditure for foreign countries are responsible for low pension entitlements of the long- and hard-working population. Equally widespread is the myth that the German statutory pension insurance is a poorly performing investment product, thereby paving the way to legitimise and advertise private investment products. The dissemination of pension myths results from commercial motives, which are partly intertwined with a general mistrust in democratic institutions. It transpires that the paradigm-shift towards a multi-pillar system of old-age-security in Germany in 2001 favoured the emergence of such myths

    Daten zum Projekt Soziale Innovation im Bereich Kunst und Kultur in ländlichen Räumen - Interviewtranskripte, Interviewleitfäden, Social Media Analyse

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    Social innovations are frequently described as the solution for diverse social and environmental challenges and promoters of a sustainable transformation of society. Still, little is known about the why, who and how of the development of social innovation in arts and culture, especially in the countryside. So, we investigated empirically 5 initiatives in structurally lagging rural regions in western Germany which seek to enrich the cultural spectrum of their communities. Among them there is a self-organised politics-and-music festival or a cultural village house with diverse cultural events. We analysed the factors for their success as well as problems of formation and tried do understand which social needs motivated the innovators or those, who are engaged with a socially innovative organisation to get active and gather people around them to get something new and missing going to finally build and vitalize these organisations. Our findings were returned to the initiatives and local community via different knowledge transfer formats (Workshops, Comics, exhibition at local community events). Methods: In order to answer the questions centred around why, who and how of social innovations in arts and culture in rural areas, we use triangulation in research. Firstly, 12 qualitative interviews with members of the 5 initiatives (2-3 each and 30 to 120 minutes long) and local government representatives were held between August and December 2023. Interviews about the effects of one of the initiatives, as a case study, were conducted between January and April 2024. Participant observations at events were made in summer 2024. We then did artistic, creative formats at singular events of the initiatives that shall integrate different materials and media and aim to integrate the perspectives of initiative’s members besides from those interviewed to gain different views on our research topic to critically question our preliminary results. Limitations: The study is limited by the location of the analysed initiatives, which are only located in western districts of Germany. The applicability to other areas therefore needs to be made with caution to the similarities and differences of rural areas. Furthermore, the study is only conducted with qualitative methods. Additionally, only initiators and therefore socially entrepreneurial people were interviewed and no potential or actual users of the initiatives’ offerings. This limits the results to the view from within the initiative and not the outside perception. Statements on the actual effects of the initiatives like numbers of new or not migrated citizens cannot be made, as this would presume another research design. Still, the data shows the subjective importance of the soft location factors for citizens and for local government representatives. And a follow-up case study with one of the initiatives was conducted between January and April 2024. This initiative exists since four decades. Qualitative interviews with founders and younger members shall widen the perspective of social innovations´ implications on the region

    Science communication in Unexpected Places

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    This practice report aims to outline the idea of science communication as a multidimensional practice that extends beyond the transmission of scientific facts to include the tacit, cultural, and experiential dimensions of science—with a focus on ‘the university’ as an embodiment of the culture of science. Drawing on the idea of ‘kitchen table science communication’, we present a board game designed to foster critical engagement with the implicit norms and structures of academic life among students, their families, and broader publics. Emphasizing science as a complex, adaptive, and culturally situated endeavor, the game serves both as an educational tool and as a medium for participatory meaning-making. Through iterative development and ethnographic testing across diverse academic and informal settings, we explore how playful, narrative-driven formats can open epistemic spaces and promote a more intuitive, affective, and accessible understanding of science. Our findings suggest that games—by embracing abstraction, indeterminacy, and co-creation—offer unique affordances for cultivating science literacy as lived experience rather than codified knowledge

    Diagnostic volatile organic compounds for potato wart disease: a GC-MS based chemometric approach

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    Volatile organic compounds (VOCs) can serve as sensitive indicators of plant health and pathogen infection. In this study, gas chromatography–mass spectrometry combined with multivariate chemometric analysis was applied to identify VOC patterns specific to potato wart disease caused by the pathogen Synchytrium endobioticum. Healthy and artificially infected potato tubers were analyzed under controlled conditions, and the resulting chromatographic data were processed using a Python-based workflow integrating data merging, preprocessing, principal component analysis, and linear discriminant analysis. The chemometric models successfully distinguished infected from healthy tubers. Seven compounds, 1-methoxy-3-methylbutane, 3-methyl-1-butanol, 2-methyl-1-butanol, 2,3-butanediol, prenyl ethyl ether, styrene, and solavetivone, were identified as indicative for infection. In addition, a mass-specific evaluation demonstrated that discrimination is possible using selected ion fragments alone, providing a basis for simplified on-site applications. This study presents the first characterization of a volatile fingerprint for S. endobioticum infection and establishes a robust, time-efficient workflow for non-invasive detection of quarantine pathogens in potato crops

    Nonlinear Optimization: The Nelder-Mead Simplex Search Procedure

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    Dynamic Programming

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    The Peren-Clement Index

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