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A technical study of TLD beta calibration factor for exposures to depleted uranium
The beta calibration factor for converting light output (on reading a thermoluminescent dosimeter) to shallow dose equivalent has been reexamined through theoretical calculations and experimental measurements. The results support the previously determined value for contact with a depleted uranium slab but indicate that for many actual workplace situations, the contact value may be overly conservative
Co-performance: Conceptualizing the role of artificial agency in the design of everyday life
This paper introduces the notion of co-performance, with the aim to offer Human-Computer Interaction (HCI) researchers and practitioners a new perspective on the role of artificial agency in everyday life, from automated systems to autonomous devices. In contrast to 'smartness,' which focuses on a supposed autonomy of artifacts, co-performance considers artifacts as capable of learning and performing next to people. This shifts the locus of design from matters of distributions of agency at design time, to matters of embodied learning in everyday practice for both human and artificial performers. From this perspective, co-performance acknowledges the dynamic differences in capabilities between humans and artifacts, and highlights the fundamentally recursive relation between professional design and use. Implications for HCI design practice are unpacked through reflections on smart thermostat design in light of historic changes in roles between humans and heating systems, and changing ideas of appropriateness in everyday practices of domestic heating.Green Open Access added to TU Delft Institutional Repository ‘You share, we take care!’ – Taverne project https://www.openaccess.nl/en/you-share-we-take-care Otherwise as indicated in the copyright section: the publisher is the copyright holder of this work and the author uses the Dutch legislation to make this work public.Human Information Communication Desig