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The emergence of pelagic calcification and its influence on seawater chemistry in the Upper Triassic.

After the early biomineralisation event in the early Paleozoic (Cambrian –Ordovician; 541 – 443.8 Ma), the Late Triassic (237 – 201.3 Ma) represents another key period of biomineralisation with the onset of the Mesozoic plankton radiation. In the Carnian (237 – 227 Ma), the first calcifying dinoflagellates are recorded followed by the nannoliths in the middle Norian (Alaunian) and the coccolithoph

Mechanical properties of SiC nanowires with polytypes

In this report, we model the mechanical properties and fracture behavior of SiC nanowires with different polytypes using Molecular Dynamics (MD) simulations. The mechanical properties investigated are the Young’s modulus, the maximum tensile stress and the fracture strain. The three polytype tested are SiC (3C), (2H) and (4H). Tensile tests are performed on bulk and nanowire samples using three com

Technology as capital : Challenging the illusion of the green machine

Debates on technologies for harnessing renewable energies tend to generate a polarized arena in which critical voices are automatically denounced as defenders of fossil energy. This has created a difficult situation for activists and scholars voicing concerns about the comparatively low power density, low net energy, and environmental justice concerns of such technologies. In this paper, we highli

Envisaging the future through the lens of dualism : Unearthing the fetishism of technology in Kim Stanley Robinson's "The Ministry for the Future"

The article examines Kim Stanley Robinson's novel The Ministry for the Future (2020) as an example of how the commonsensical modern distinction between the material and the social pervades mainstream deliberations on technological solutions to problems of sustainability. To expose the fetishism of modern technology, founded on the unwarranted ontological distinction between nature and society, we

Developing a Supply Chain Mapping Framework – A case study at IKEA's Comfort Category

The benefits and barriers of supply chain mapping have often been discussed in the literature, but there is no existing step-by-step framework that can be followed to map a supply chain. In this master thesis, the authors develop a 12-step framework for supply chain mapping and explore IKEA's Comfort Category using the framework. The framework is divided into three main stages: 1) Before mapping,