@article{RegehlyHecht2022, author = {Regehly, Martin and Hecht, Stefan}, title = {Auf dem Weg zum Replikator}, series = {Physik in unserer Zeit}, volume = {53}, journal = {Physik in unserer Zeit}, number = {3}, publisher = {Wiley-VCH GmbH}, issn = {1521-3943}, doi = {10.1002/piuz.202201637}, pages = {125 -- 131}, year = {2022}, language = {de} } @article{KollathHajduDegenetal.2025, author = {Koll{\´a}th, Zolt{\´a}n and Hajdu, Tam{\´a}s and Degen, Tobias and Jechow, Andreas and Sztakovics, J{\´a}nos}, title = {Conversion between measurement units used for night sky quality assessment with multispectral (RGB) cameras}, series = {Journal of Quantitative Spectroscopy and Radiative Transfer}, volume = {347}, journal = {Journal of Quantitative Spectroscopy and Radiative Transfer}, publisher = {Elsevier}, doi = {10.1016/j.jqsrt.2025.109636}, pages = {1 -- 10}, year = {2025}, abstract = {In recent years, many studies have shown that light pollution adversely affects wildlife, ecosystems, and human well-being. To assess and mitigate these impacts, it is crucial that measurements of night sky quality are reliable and comparable across sites and instruments. However, the lack of standardised night sky brightness metrology and the use of a wide variety of measurement instruments with varying spectral responsivity and field-specific measurement units hinder meaningful comparison. We collected night sky spectra from 44 nights at dark locations (existing and proposed dark sky parks). Based on this observational dataset, we created a larger random set of spectra. These data served to fit conversion parameters for a wide variety of units. We demonstrate that RGB cameras, when used as multichannel measuring devices, enable the retrieval of measurements that facilitate conversions between different units. Furthermore, even airglow can be quantified from a given measurement, enabling the determination of oxygen and sodium emission line contributions. Since this contribution is not negligible, quantitative measurements of its magnitude are crucial for accurately assessing light pollution at dark-sky sites. Using our spectral measurement database, we constructed the most probable transformation from the cameras' R, G, and B channel 𝑑𝑠𝑢 values to other units, such as the astronomical Bessel V band magnitudes. The unit conversion formulas provided in this paper are valid for mildly polluted sites (existing and proposed dark sky places), in the 21-22 magV∕arcsec2 range.}, language = {de} } @article{PuzyrevTorstenHarthetal.2024, author = {Puzyrev, Dmitry and Torsten, Torsten and Harth, Kirsten and Stannarius, Ralf}, title = {Cooling of a granular gas mixture in microgravity}, series = {npj microgravity}, volume = {10}, journal = {npj microgravity}, number = {1}, publisher = {Springer}, address = {Brandenburg an der Havel}, doi = {10.1038/s41526-024-00369-5}, pages = {1 -- 9}, year = {2024}, abstract = {Granular gases are fascinating non-equilibrium systems with interesting features such as spontaneous clustering and non-Gaussian velocity distributions. Mixtures of different components represent a much more natural composition than monodisperse ensembles but attracted comparably little attention so far. We present the observation and characterization of a mixture of rod-like particles with different sizes and masses in a drop tower experiment. Kinetic energy decay rates during granular cooling and collision rates were determined and Haff's law for homogeneous granular cooling was confirmed. Thereby, energy equipartition between the mixture components and between individual degrees of freedom is violated. Heavier particles keep a slightly higher average kinetic energy than lighter ones. Experimental results are supported by numerical simulations.}, language = {de} } @article{BeckTetzlaffSchroederetal.2018, author = {Beck, Eberhard and Tetzlaff, Laura and Schr{\"o}der, Cornelia and Schrader, Thomas}, title = {Die Datenqualit{\"a}t des CIRSmedical - geeignet f{\"u}r eine systematische Analyse?}, series = {GMS Medizinische Informatik, Biometrie und Epidemiologie}, volume = {14}, journal = {GMS Medizinische Informatik, Biometrie und Epidemiologie}, number = {2}, doi = {10.3205/mibe000188}, pages = {Doc10-1 -- Doc10-9}, year = {2018}, language = {de} } @article{VollmerEberhardt2024, author = {Vollmer, Michael and Eberhardt, Wolfgang}, title = {Ein einfaches Modell f{\"u}r die Vorhersage von CO2 Konzentrationen in der Atmosph{\"a}re in Abh{\"a}ngigkeit von globalen CO2 Emissionen}, series = {PhyDid B, Didaktik der Physik, Beitr{\"a}ge zur DPG-Fr{\"u}hjahrstagung}, volume = {1}, journal = {PhyDid B, Didaktik der Physik, Beitr{\"a}ge zur DPG-Fr{\"u}hjahrstagung}, number = {1}, publisher = {FU Berlin}, organization = {Fachverband Didaktik der Physik}, issn = {2191-379X}, pages = {379 -- 388}, year = {2024}, abstract = {Es wird das vielleicht einfachst m{\"o}gliche Modell vorgestellt, mit dem zeitabh{\"a}ngige CO2 Konzent-rationen c(t) in der Atmosph{\"a}re ausgehend von verschiedenen globalen Emissionsszenarien f{\"u}r CO2berechnet werden. Dazu wird eine einzelne inhomogene lineare Differenzialgleichung 1. Ordnung hergeleitet, deren Parameter sich aus den quantitativen Daten des global carbon project sowie Mauna Loa Daten f{\"u}r CO2 Konzentrationen errechnen. Das Modell wird erstens getestet am Zeitraum 1960 bis 2020 mit vergleichsweise guter quantitativer {\"U}bereinstimmung zu Messdaten. Zweitens wird f{\"u}r zwei typische IPCC Emissions-Szenarien ein Vergleich der Modellvorhersagen mit denen der kom-plexen IPCC Earth-System-Klimamodelle diskutiert mit qualitativer {\"U}bereinstimmung des zeitli-chen Verlaufs. Drittens werden Ergebnisse einiger ausgew{\"a}hlter neuer Emissionsszenarien pr{\"a}sen-tiert. Ungeachtet einiger Abweichungen zu komplexeren Klimamodellen zeichnet sich unser Mo-dell durch zwei wichtige Vorteile f{\"u}r die Lehre aus. Zum einen ist es sehr einfach f{\"u}r Studierende und begabte Sch{\"u}ler nutzbar, da die erforderliche L{\"o}sung der Differentialgleichung bereits mit han-dels{\"u}blicher Tabellenkalkulationssoftware wie z.B. Excel programmiert werden kann. Dadurch ge-stattet es zum anderen auch sehr einfach, den zeitlichen Verlauf von Emissionsszenarien zu ver{\"a}n-dern und innerhalb weniger Sekunden Ver{\"a}nderungen aufgrund ge{\"a}nderter Eingaben zu berechnen. Insofern eignet sich das Modell sehr gut als Einstieg in das Thema Klimamodellierung in einf{\"u}hren-den Hochschulvorlesungen zum Themenbereich Kohlenstoffkreislauf und Klimawandel. In der Schule kann es gegen Ende der Sekundarstufe 2 beispielsweise im Projektunterricht zum Themen-komplex Nachhaltigkeit in Physik und/oder Mathematik eingesetzt werden}, language = {de} } @article{OeppertHartzWehneretal.2021, author = {Oeppert, Luise and Hartz, Tobias and Wehner, Kathrin and Schrader, Thomas and Meier, Jens}, title = {FHIR-Datenmodell zur {\"U}bermittlung von Tumordaten zwischen Krebsregistern und IQTIG}, series = {GMS Medizinische Informatik, Biometrie und Epidemiologie}, volume = {17}, journal = {GMS Medizinische Informatik, Biometrie und Epidemiologie}, number = {Iss 4}, publisher = {German Medical Science GMS Publishing House}, doi = {10.3205/mibe000231}, year = {2021}, language = {de} } @article{Vollmer2021, author = {Vollmer, Michael}, title = {Gefrierende Gew{\"a}sser}, series = {Physik in unserer Zeit}, volume = {52}, journal = {Physik in unserer Zeit}, number = {1}, publisher = {Wiley-Blackwell}, doi = {10.1002/piuz.202001589}, pages = {19 -- 25}, year = {2021}, language = {de} } @article{MarcusGerlGrossetal.2022, author = {Marcus, von der Heyde and Gerl, Armin and Groß, Rainer and Klapper, Frank and Meister, Vera G. and Knaden, Andreas and Rehm, Simone}, title = {Gemeinsame Digitalisierung durch die Entwicklung von IT-Governance-Strukturen auf Landesebene}, series = {Wirtschaftsinformatik \& Management}, journal = {Wirtschaftsinformatik \& Management}, publisher = {Gabler}, doi = {10.1365/s35764-022-00393-8}, year = {2022}, language = {de} } @article{JohannsenKant2020, author = {Johannsen, Andreas and Kant, Daniel}, title = {IT-Governance, Risiko- und Compliance-Management (IT‑GRC) - Ein Kompetenz-orientierter Ansatz f{\"u}r KMU}, series = {HMD Praxis der Wirtschaftsinformatik}, journal = {HMD Praxis der Wirtschaftsinformatik}, publisher = {Springer}, address = {Wiesbaden}, doi = {10.1365/s40702-020-00625-8}, year = {2020}, language = {de} } @article{Sasaki2021, author = {Sasaki, Felix}, title = {K{\"u}nstliche Intelligenz in der Ausbildung von Wissensarbeiterinnen und Wissensarbeitern}, series = {API : Ausbilden, Publizieren, Informieren - studentisches Magazin der HAW Hamburg}, volume = {2}, journal = {API : Ausbilden, Publizieren, Informieren - studentisches Magazin der HAW Hamburg}, number = {1}, publisher = {Hamburg University Press}, issn = {2699-6693}, doi = {10.15460/apimagazin.2021.2.1.65}, pages = {1 -- 16}, year = {2021}, language = {de} } @article{Vollmer2025, author = {Vollmer, Michael}, title = {Nachtsicht ins All mit dem bloßen Auge: Sag mir, wie weit die Sterne steh'n}, series = {Physik in unserer Zeit}, volume = {2025}, journal = {Physik in unserer Zeit}, publisher = {Wiley}, doi = {10.1002/piuz.202501751}, pages = {2 -- 10}, year = {2025}, language = {de} } @article{BeckSchraderTetzlaffetal.2018, author = {Beck, Eberhard and Schrader, Thomas and Tetzlaff, Laura and Schr{\"o}der, Cornelia}, title = {Prospektive Risikoanalyse: Die {\"A}hnlichkeit von Medikamentennamen in der Drugbank-Datenbank}, series = {GMS Medizinische Informatik, Biometrie und Epidemiologie}, volume = {14}, journal = {GMS Medizinische Informatik, Biometrie und Epidemiologie}, number = {2}, doi = {10.3205/mibe000187}, pages = {1/7 -- 7/7}, year = {2018}, language = {de} } @article{VollmerMoellmann2020, author = {Vollmer, Michael and M{\"o}llmann, Klaus-Peter}, title = {Unsichtbares sichtbar gemacht: Infrarotkameras f{\"u}r Smartphones}, series = {Physik in unserer Zeit}, volume = {51}, journal = {Physik in unserer Zeit}, number = {1}, publisher = {Wiley-VCH}, doi = {https://doi.org/10.1002/piuz.201901551}, pages = {29 -- 35}, year = {2020}, language = {de} } @article{Levina2021, author = {Levina, Olga}, title = {Von Ethik zu Recht : Der AI Act und seine Bedeutung f{\"u}r die Gestaltung von algorithmischen Systemen}, series = {Informatik aktuell}, journal = {Informatik aktuell}, publisher = {Alkmene Verlag}, issn = {2511-7564}, year = {2021}, language = {de} } @article{VollmerMoellmann2020, author = {Vollmer, Michael and M{\"o}llmann, Klaus-Peter}, title = {Wenn Licht die Biege macht}, series = {Physik in unserer Zeit}, volume = {51}, journal = {Physik in unserer Zeit}, number = {1}, publisher = {Wiley-VCH}, doi = {https://doi.org/10.1002/piuz.202001569}, pages = {46 -- 47}, year = {2020}, language = {de} }