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On mathematics and physics teaching in upper-secondary school

This article reports on physics teaching in upper-secondary school with a focus on communication and relations made between mathematics, theoretical models in physics, and reality.Video data from four physics classrooms in three different teaching contexts, i.e., lessons, problemsolving, and lab work, have been analysed by combining two theoretical frameworks: the TernaryFramework and Joint Action

Pre-service teachers’ general and specific arguments in real number contexts

A study of pre-service primary school teachers’ content knowledge regarding real numbers related to infinity,i.e., division by zero and denseness of the real number line, was conducted at a Swedish university. Data werecollected twice during the respondents’ teacher education using questionnaires and interviews on bothoccasions. The data were analysed in terms of traces of concept images, focusing

Mathematics in physics classrooms: a case study on mathematical reasoning in relation to the notion of specific heat capacity.

This study is part of a larger study of mathematics in physics teaching at upper secondary school. In this paper we focus on the use of mathematics in relation to the teaching of specific heat capacity of water. We report from two physics lessons with first-year students (lecture, problem solving, and labwork). One observation is the frequent technical use of mathematics during the lessons, which

’Snuten glimmar’ : polis i fotbollssånger

En artikel om den svenska kompositören och musikern "Trubaduren", som skriver supportervisor för AIK:s supportrar, till AIK:s matcher. Studien fokuserar polisen så som den gestaltas i sångerna.

Effects of patient gender, ethnicity, and socioeconomic status on psychiatric assessments: A vignette-based experimental study

ObjectiveTo investigate whether information about the gender, ethnicity, and socioeconomic status of the patient affects psychiatric assessments in a sample of practicing clinicians in Swedish adult psychiatry.MethodThe study used an experimental design in which vignettes describing patients were identical except for information regarding their gender, ethnicity, and socioeconomic status. The outc

Rethinking John and "the Synagogue" in Light of Expulsion from Public Assemblies in Antiquity

Since the immensely influential work of J. Louis Martyn, many Johannine scholars have interpreted John’s ἀποσυνάγωγος passages (9:22, 12:42, 16:2) as reflective of the gospel’s outsider position in relation to Jewishness. In Martyn’s model, as well as in the model of his contemporary Raymond E. Brown, “the synagogue” functioned as synecdoche for “Judaism,” leading both scholars to the conclusion t

Ventifacts and wind deflation surfaces in context with glaciofluvial sediment successions in southern Sweden – their age and implication for glacial history

Recent suggestions propose that the glacial landscape in southern Sweden is primarily a relict from the Saalian glaciation (>130 ka). The arguments for this standpoint are the assertion that the majority of glaciofluvial deposits in this region are till-covered, and that wind-abraded clasts are observed at the contact between glaciofluvial sediments and till at numerous locations. Furthermore, it

How the characteristics of small and medium-sized enterprises influence product-service systems design challenges

Manufacturing companies can contribute to a resource-efficient society by designing product-service systems (PSS). Despite the increased importance of PSS for the manufacturing industry in their efforts to become sustainable, few studies focus on small and medium-sized enterprises (SMEs). The study presented in this article aims to add knowledge on how the characteristics of SMEs influence the cha

Deglaciation history and subsequent lake dynamics in the Siljan region, south-central Sweden - LiDAR evidence and sediment records

The Siljan region hosts Europe´s largest impact structure. The high-relief landscape, with a central granite dome bordered by lake basins, contains an array of glacial and shore-level landforms. We investigated its deglaciation history by mapping and analysing landforms on high resolution LiDAR-based Digital Surface Models coupled with well-dated sediment successions from peat and lake sediment co

Between self-knowledge and self-enjoyment : ΓΝѠθΙ CAYTON in the skeleton mosaic from beneath the Monastery of San Gregorio

In this essay, I offer the first sustained scholarly discussion of the Know Yourself Skeleton Mosaic (KYSM) within its broader cultural milieu and of its contribution to our understanding of self-knowledge in antiquity. In many ways, the mosaic represents an innovative visual "blend" of several cultural tropes and symbols known from the Greco-Roman world. For example, only here is the concept of s

The Inverted Wish : Towards Walter Benjamin’s Notion of Time

Walter Benjamin’s complex notion of time, permeating much of his historical, political, and cultural-critical thought, has been the subject of considerable discussion. In particular, the interaction between the two opposing categories of historical time and messianic time poses a great difficulty: how do messianic moments of cessation act within the homogeneous continuum of history? To propose one

Photon-rejection power of the Light Dark Matter eXperiment in an 8 GeV beam

The Light Dark Matter eXperiment (LDMX) is an electron-beam fixed-target experiment designed to achieve comprehensive model independent sensitivity to dark matter particles in the sub-GeV mass region. An upgrade to the LCLS-II accelerator will increase the beam energy available to LDMX from 4 to 8 GeV. Using detailed GEANT4-based simulations, we investigate the effect of the increased beam energy

Ventifacts and wind deflation surfaces in context with glaciofluvial sediment successions in southern Sweden

Recent suggestions propose that the glacial landscape of southern Sweden is a relict landscape from the Saalian glaciation (>130 ka) (Lagerbäck, 2018). The primary argument supporting this viewpoint is the claimed observation that the majority of glaciofluvial deposits in this region exhibits a covering till bed, often accompanied by wind-abraded clasts (ventifacts) at the contact between glaciofl

Simulating dust emissions and secondary organic aerosol formation over northern Africa during the mid-Holocene Green Sahara period

Paleo-proxy data indicate that a “Green Sahara” thrived in northern Africa during the early- to mid-Holocene (MH; 11 000 to 5000 years before present), characterized by more vegetation cover and reduced dust emissions. Utilizing a state-of-the-art atmospheric chemical transport model, TM5-MP, we assessed the changes in biogenic volatile organic compound (BVOC) emissions, dust emissions and seconda

Revealing microplastic dynamics: the impact of precipitation and depth in urban river ecosystems

Research on microplastics in Latin America is limited compared to a global perspective. Brazil plays a significant role in this context, as it possesses 12% of the world’s freshwater reserves, constituting 53% of South America’s water resources. There has been growing concern regarding the plastic pollution of the country’s freshwater systems in recent years. Therefore, this study investigated the

Weaker Quadriceps Muscle Strength With a Quadriceps Tendon Graft Compared With a Patellar or Hamstring Tendon Graft at 7 Months After Anterior Cruciate Ligament Reconstruction

Background: Impaired quadriceps muscle strength after anterior cruciate ligament reconstruction (ACLR) is associated with worse clinical outcomes and a risk of reinjuries. Yet, we know little about quadriceps muscle strength in patients reconstructed with a quadriceps tendon (QT) graft, which is increasing in popularity worldwide. Purpose: To describe and compare isokinetic quadriceps strength in

Late glacial to Early Holocene deflation events and aeolian deposition on a raised ice-contact delta at Veinge, SW Sweden

Wind-abraded cobbles (ventifacts) and aeolian sand are known from the sandy-gravelly coastal areas of south-western Sweden, especially in association with raised deltas. Ventifacts are recorded on at least two different stratigraphic levels, on top of glaciofluvial sediment and/or on top of littoral deposits, while aeolian sand usually forms a surficial cover. The formation of ventifacts has usual