KI-generierte pädagogische Agenten im Technikunterricht. Erstellung einer Handreichung zum Thema Pumpspeicherkraftwerk

Als Lernbegleiter, Wissensvermittler, Guide oder Steuerungsinstanz für Aufmerksamkeit und Motivation, sind Pädagogische Agenten schon lange Teil von digitalen Lehr- / Lernarrangements. Autor*innen einer Vielzahl von Forschungsarbeiten der 1990er- und 2000er-Jahre konnten zeigen, dass Pädagogische Agenten positive Auswirkungen auf die Motivation und das emotionale Erleben der Lernenden haben können. Dabei sind verschiedene Gestaltungsvarianten möglich. Pädagogische Agenten können z.B. einzeln oder in einer Mehrzahl eingebunden werden. Sie können anthropomorph gestaltet - oder in ihrer visuellen Erscheinung dem Menschen gänzlich unähnlich sein. Die Einsatz- und Gestaltungsmöglichkeiten von Pädagogischen Agenten haben sich nun mit dem Aufkommen von Künstlicher Intelligenz (KI) grundlegend transformiert. So können Pädagogische Agenten z.B. mit den KI-basierten Softwareangeboten von HeyGen und Canva schnell und kostengünstig erstellt und in digitale Lehr-Lernarrangements eingebunden werden. (DIPF/Orig.

Unterrichtsvignetten in der technikdidaktischen Lehramtsausbildung. Einsatz- und Gestaltungsmöglichkeiten

Der vorliegende Beitrag thematisiert die Einsatz- und Gestaltungsmöglichkeiten sogenannter Vignetten und untersucht im Forschungsteil die Unterschiede in der Wahrnehmung von Comic- und Video-Vignetten hinsichtlich der Immersion, Resonanz, Authentizität und Motivation. Um diese Forschungsfragen zu beantworten, wurde eine quantitative Studie im experimentellen Design mittels eines Online-Fragebogens durchgeführt. Die drei für diesen Zweck konzipierten und verwendeten Vignetten thematisieren inhaltlich "Präkonzepte", also (meist fehlerhafte) Alltagsvorstellungen von Schüler*innen zu fachlichen Inhalten. Die Ergebnisse zeigen, dass Comic-Vignetten authentischer wahrgenommen werden als Video-Vignetten. Dieses Ergebnis verifiziert die bisherigen Forschungsergebnisse anderer Fachrichtungen für die Fachrichtung der Technikdidaktik. (DIPF/Orig.

A study of the link between cosmic rays and clouds with a cloud chamber at the CERN PS

Recent satellite data have revealed a surprising correlation between galactic cosmic ray (GCR) intensity and the fraction of the Earth covered by clouds. If this correlation were to be established by a causal mechanism, it could provide a crucial step in understanding the long-sought mechanism connecting solar and climate variability. The Earth's climate seems to be remarkably sensitive to solar activity, but variations of the Sun's electromagnetic radiation appear to be too small to account for the observed climate variability. However, since the GCR intensity is strongly modulated by the solar wind, a GCR-cloud link may provide a sufficient amplifying mechanism. Moreover if this connection were to be confirmed, it could have profound consequences for our understanding of the solar contributions to the current global warming. The CLOUD (Cosmics Leaving OUtdoor Droplets) project proposes to test experimentally the existence a link between cosmic rays and cloud formation, and to understand the microphysical mechanism. CLOUD plans to perform detailed laboratory measurements in a particle beam at CERN, where all the parameters can be precisely controlled and measured. The beam will pass through an expansion cloud chamber and a reactor chamber where the atmosphere is to be duplicated by moist air charged with selected aerosols and trace condensable vapours. An array of external detectors and mass spectrometers is used to analyse the physical and chemical characteristics of the aerosols and trace gases during beam exposure. Where beam effects are found, the experiment will seek to evaluate their significance in the atmosphere by incorporating them into aerosol and cloud models.Recent satellite data have revealed a surprising correlation between galactic cosmic ray (GCR) intensity and the fraction of the Earth covered by clouds. If this correlation were to be established by a causal mechanism, it could provide a crucial step in understanding the long-sought mechanism connecting solar and climate variability. The Earth's climate seems to be remarkably sensitive to solar activity, but variations of the Sun's electromagnetic radiation appear to be too small to account for the observed climate variability. However, since the GCR intensity is strongly modulated by the solar wind, a GCR-cloud link may provide a sufficient amplifying mechanism. Moreover if this connection were to be confirmed, it could have profound consequences for our understanding of the solar contributions to the current global warming. The CLOUD (Cosmics Leaving OUtdoor Droplets) project proposes to test experimentally the existence a link between cosmic rays and cloud formation, and to understand the microphysical mechanism. CLOUD plans to perform detailed laboratory measurements in a particle beam at CERN, where all the parameters can be precisely controlled and measured. The beam will pass through an expansion cloud chamber and a reactor chamber where the atmosphere is to be duplicated by moist air charged with selected aerosols and trace condensable vapours. An array of external detectors and mass spectrometers is used to analyse the physical and chemical characteristics of the aerosols and trace gases during beam exposure. Where beam effects are found, the experiment will seek to evaluate their significance in the atmosphere by incorporating them into aerosol and cloud models

CLOUD: an atmospheric research facility at CERN

This report is the second of two addenda to the CLOUD proposal at CERN (physics/0104048), which aims to test experimentally the existence a link between cosmic rays and cloud formation, and to understand the microphysical mechanism. The document places CLOUD in the framework of a CERN facility for atmospheric research, and provides further details on the particle beam requirements

Addendum to the CLOUD proposal

This report is the first of two addenda to the CLOUD proposal at CERN (physics/0104048), which aims to test experimentally the existence a link between cosmic rays and cloud formation, and to understand the microphysical mechanism. The document provides further details on the detector design, scientific motivation and experimental programme

Candidate Gene Screen in the Red Flour Beetle Tribolium Reveals Six3 as Ancient Regulator of Anterior Median Head and Central Complex Development

Several highly conserved genes play a role in anterior neural plate patterning of vertebrates and in head and brain patterning of insects. However, head involution in Drosophila has impeded a systematic identification of genes required for insect head formation. Therefore, we use the red flour beetle Tribolium castaneum in order to comprehensively test the function of orthologs of vertebrate neural plate patterning genes for a function in insect head development. RNAi analysis reveals that most of these genes are indeed required for insect head capsule patterning, and we also identified several genes that had not been implicated in this process before. Furthermore, we show that Tc-six3/optix acts upstream of Tc-wingless, Tc-orthodenticle1, and Tc-eyeless to control anterior median development. Finally, we demonstrate that Tc-six3/optix is the first gene known to be required for the embryonic formation of the central complex, a midline-spanning brain part connected to the neuroendocrine pars intercerebralis. These functions are very likely conserved among bilaterians since vertebrate six3 is required for neuroendocrine and median brain development with certain mutations leading to holoprosencephaly

Amélioration de la performance du poste de préparateur de commande

Supply Chain ManagementDans ce mémoire nous présentons les enjeux pour les prestataires logistiques quant aux moyens existants afin d’améliorer la performance globale de l’entreprise. Nous identifions, au long de cette étude, les problèmes et dysfonctionnements qui peuvent survenir sur un entrepôt logistique, ainsi que les besoins qui en découlent. Dans une deuxième partie, nous analyserons quels sont les leviers existants pour optimiser le poste de préparateur de commandes qui est au coeur de la prestation logistique et ainsi, être capable d’améliorer les différents indicateurs de performance de l’entreprise. Au travers de la littérature, nous analyserons différentes solutions, dont certaines sont applicables dans le contexte étudié et d’autres qui ne le sont pas, pour différentes causes, mais qui pourraient permettre d’améliorer le fonctionnement en place. Pour finir nous concluons par une analyse des différentes méthodes présentées afin de déterminer lesquelles peuvent, au mieux, répondre aux attentes et aux besoins de l’entreprise

An e-shop analysis with a focus on product data extraction

E-commerce is a constantly growing and competitive market. Online prices are updated daily or even more frequently, and it is very important for e-shoppers to find the lowest price online. Therefore, e-shop owners need to know the prices of their competitors and must be able to adjust their own prices in order to remain competitive. The manual monitoring of all prices of all products and competitors is too time-consuming; hence, the e-shop owners need software support for that task. For the development of such software tools the developers need a profound comprehension of the structure and design of e-shop websites. Existing software tools for Web data extraction are based on the findings of different website analyzes. The existing tools show: The more specific and detailed the analysis and the analyzed websites, the better the data extraction results. This paper presents the results and the derived findings of a deep analysis of 50 different e-shop websites in order to provide new insights for the development and improvement of software tools for product data extraction from e-shop websites