It has been ten years since the Democratic Peoples' Republic of Korea (DPRK or North Korea) embarked on a path of change. The first major course correction occurred in 1998 when the DPRK amended its constitution. A new cost accounting system in economic management was introduced, and a new political line of Songun (Army-First Politics) was promulgated in addition to the Juche ideology of national self-reliance. Although this adapted form of Marxism-Leninism continued to guide the country on its way to “Korean-style socialism,” the proposed changes would bring some elements of economic liberalisation and commercialisation of the economy. As part of this cautious plan, several enclaves scattered across the country were allocated by the DPRK government exclusively for inter-Korean cooperation.

The sharp rise of oil and gas prices has enabled Moscow to utilise its mammoth energy reserves to achieve domestic and foreign policy goals. The new Russian ‘power politics’ have already been tested on the Baltic States, Belarus, Ukraine, and recently the Czech Republic. Russia's Far Eastern frontier is now turning into the place where energy export becomes a political tool in shaping the country's relations with regional neighbours. China, the two Koreas, and Japan are hungry for energy, natural resources and, at the same time, seek economic and political cooperation. In these circumstances, the opportunities offered by trans-national railroads and pipelines appear to be more powerful than weapons. Given this new leverage and understanding, can Russia exert its soft and hard power upon North Korea to promote the goals set in the Six-Party Talks?

In this work, we describe the use of a 1D-2V quasi-neutral hybrid electrostatic PIC with Monte-Carlo Coulomb collisions and non-uniform magnetic field to model the parallel transport and confinement in an axisymmetric tandem mirror device. End-plugs, based on simple-mirrors, are positioned at each end of the device and fueled with neutral beams (25 and 100 keV) to produce a sloshing ion population and increase the density of the end-plugs relative to the central cell. Results show the formation of a potential difference barrier between the central cell and the end-plugs. This potential confines a large fraction of the low energy thermal ions in the central cell which would otherwise be lost in a simple mirror, demonstrating the advantage of the beam-driven tandem mirror configuration relative to simple mirrors. In addition, we explore the effect of end-plug electron temperature on the confinement time of the device and compare it with theoretical estimates. Finally, we discuss the limitations of the code in its present form and describe the next logical steps to improve its predictive capability such as a fully nonlinear Fokker–Planck collision operator, multiply nested flux surface solutions and modeling the exhaust region up to the wall.

Books about Ancient Greeks and Romans for general readership abound, so it was with a certain weariness that I started reading Jennifer Roberts’ ‘accessible and lively introduction to the Greeks and their ways of living and thinking’ (jacket blurb). I like to read the acknowledgments section first to get a sense of the person behind the book. Among the formulaic, the catalogic, and the dutiful, slight personal details or minor idiosyncrasies can be revealing and even endearing, sparking my curiosity about the author's persona and their world view. Roberts pulled me in immediately with an anecdote about her dictation programme's hilarious interpretations of the name Thucydides (‘Facilities’, ‘The city flees’, ‘Abilities’, ‘He silly is’, and … ‘Frank’). I provide this detail not just because it is amusing, but also because it is telling. Although this book covers the territory I am very familiar with, I really enjoyed reading it and just could not put it down. Roberts is a wonderful writer and storyteller. Her sprawling narrative, dotted with quotations and anecdotes, is reminiscent of Herodotus. Even though the book is meandering at times and full of digressions, Roberts manages to both outline the historical macro-narrative about the Greeks from the Bronze Age to the end of the Hellenistic Age and, more importantly, to convey a good sense of who they were as a culture and what mattered to them, ranging from the myths about the heroic past, the city states and their various political organizations, attitudes towards women, slaves, and foreigners, competitiveness, religion, philosophy, afterlife, and (I see what she did there – but at the expense of internal logic because afterlife should have been paired with religion) reception. The tone is just right, instructing without condescension, lively without cuteness or overfamiliarity, and – what is probably the most difficult task when a professional Classicist is pitching to a wide audience – straightforward and confident, truly written with a wide audience in mind, rather than plagued by prevarication anticipating the snarky reviews by colleagues. This is a terrific and engaging book, and I hope that it will reach a wide audience well beyond the US (despite its title).

The 3.11 disaster revealed many shortcomings in Japan’s mass media organisations and government, the most prominent arguably being the poor handling of the disaster by central government and TEPCO, including miscommunication and delays in releasing accurate data on the dispersal of radioactive materials. The lack of transparency in mass media coverage of the nuclear meltdown and levels of radiation resulted in growing distrust among the public, who turned to online sources and social media to confirm or challenge information provided by the mass media.

Based on in-depth interviews with 38 Japanese individuals, this study explores individual perceptions of media credibility in a disaster context and in the present, elaborating how changes in trust in media intersects with the changes and dynamics in media use and how the 3.11 disaster continues to influence media use and perceptions of credibility today. The main findings of the study suggest that in the wake of the unprecedented national disaster, Japanese media users moved from using traditional mass media as their sole source of news to a personalised, inter-media environment which integrates both online and traditional modes of communication without replacing traditional media players. This further facilitated the practice of seeking and evaluating information and media credibility through new media forms of connectivity such as social media platforms and news websites.

For this General review, I have selected five exciting books dealing with religion. I am very happy to report that we now find selected papers of Robert Parker, one of the luminaries in the field of Greek religion, in a handsomely produced and affordable volume published in the Kernos Suppléments series, whose many virtues I have often extolled on these pages.1 The collection contains twenty articles published over the span of thirty-five years, and, in a way, provides the ‘best of’ of Parker's opera minora. But these are minora in name only: all articles gathered in this volume have been, and remain, highly influential and represent question-defining studies that shaped the way we think about discrete problems in Greek religion.

The challenge of distinguishing between abusive and non-abusive constitutional practices – Main ways of detecting abuse: analyses of intent and effects – Obstacles to detecting bad faith intent in constitutional law – Structured and focused analysis of the effects of abusive constitutionalism: introducing the foreseeable effects test – Normative benchmark: substantial diminishment of accountability – Step 1: probability of harm, analysing the tested constitutional measure’s foreseeable effects on operability and autonomy of an accountability mechanism – Step 2: seriousness of potential harm, analysing the constitutional measure’s effects in the broader constitutional context (including interaction effects) – Step 3: harm mitigation, analysing the existence and adequacy of harm-mitigating safeguards accompanying the constitutional measure – Strengths and limits of the foreseeable effects test

Aphidius colemani is an important biological control agent, used in greenhouses and open fields against aphid pests. Despite this economical importance, A. colemani, along with A. transcaspicus and A. platensis, has gone through a complex taxonomical history. The three species have only recently gained status as separate species again, comprising the morphologically defined Aphidius colemani species group. Other than sporadic records probably as a consequence of escape from greenhouses, the A. colemani species group members prefer warmer regions and there are numerous records from South America, Southern Europe and Asia. Based on slide-mounted material collected in the period 1964–2001 in Africa, we describe five new species belonging to this group, and report A. colemani, A. transcaspicus and A. platensis from several African countries. This data opens questions about the origin of the group and presents potential for the diversification of biological control agents against aphid pests.

In our recent faculty meetings here in Virginia, issues regarding ChatGPT and its uses were often broached, for reasons both good and bad, and this November, as I am writing these lines, turbulences in the AI sector are making the news. In papyrology and epigraphy, we have been relying on advanced digital technologies for a while now, and there's no doubt that recent advances in generative AI will soon bear fruit for all text and image-based disciplines in the humanities. Hence, I will open this general review with four exciting books on ancient science and technology.

Direct application of heavy metals as antibacterial agents can cause skin irritations and discoloration of the tissue and it can result in short-term applicability. One of the ways to solve these problems is to immobilize these agents on bentonite. Treatment of textile materials with such activated bentonite for use in various branches of industry has attracted the attention of many researchers in recent years. The objective of the present study was to develop a potential use of Cu- and Zn-modified bentonites as antibacterial finishing agents for two textile materials, non-woven textile (NT) and knitted fabric (PL). The bentonite samples were characterized using ED-XRF (energy dispersive X-ray fluorescence spectrometry), XRPD (X-ray powder diffraction), SEM (scanning electron microscopy), FTIR (Fourier-transform infrared spectroscopy), and BET (N2 adsorption-desorption) analyses. SiO2 and Al2O3 oxides were the main components of all bentonite samples indicated by ED-XRF analysis, while the XRPD analysis confirmed that the natural bentonite (NB) consisted of montmorillonite (Mnt) as the dominant mineral (peaks at 6.94, 19.94, 35.09, and 54.09°2θ) and small amounts of quartz and calcite. A reduction in the basal plane spacing, d001, of Mnt occurred in Cu/Zn-B1, Cu/Zn-B3, and CuB, while in Cu/Zn-B2 and ZnB the basal spacing increased. Also, the size and form of particles and porosity changed, which was confirmed by the BET analysis. Modified bentonite samples experienced a reduction in the specific surface area and total pore volume, as well as movement of the middle mesopore diameter toward the larger diameters. The Zn-modified bentonite demonstrated a greater antibacterial effect on Escherichia coli, Pseudomonas aeruginosa, Staphylococcus aureus, and Bacillus cereus than Cu- and Na-modified bentonite samples with a MIC (minimum inhibitory concentration) of 0.94 mg/mL, while among Cu/Zn bentonite samples, Cu/Zn-B2 had the strongest antibacterial effect (MIC 0.47 mg/mL). Cu/Zn-B2 was integrated on NT and PL using a screen printing method and showed good antibacterial activity. The printed NT showed better activity than printed PL, and increasing the concentration of applied Cu/Zn-B2 also increased the antibacterial properties.

This paper explores the feasibility of a break-even-class mirror referred to as BEAM (break-even axisymmetric mirror): a neutral-beam-heated simple mirror capable of thermonuclear-grade parameters and $Q\sim 1$ conditions. Compared with earlier mirror experiments in the 1980s, BEAM would have: higher-energy neutral beams, a larger and denser plasma at higher magnetic field, both an edge and a core and capabilities to address both magnetohydrodynamic and kinetic stability of the simple mirror in higher-temperature plasmas. Axisymmetry and high-field magnets make this possible at a modest scale enabling a short development time and lower capital cost. Such a $Q\sim 1$ configuration will be useful as a fusion technology development platform, in which tritium handling, materials and blankets can be tested in a real fusion environment, and as a base for development of higher-$Q$ mirrors.

Microwave irradiation as a means for heating bentonites during acid activation has been investigated in the past but it has never been optimized for industrial applications. The purpose of this study was to apply a factorial 23 experimental design to a Serbian bentonite in order to determine the influence of microwave heating on the acid-activation process. The effect of acid activation under microwave irradiation on the textural and structural properties of bentonite was studied as a model reaction. A mathematical, second-order response surface model (RSM) was developed with a central composite design that incorporated the relationships among various process parameters (time, acid concentration, and microwave heating power) and the selected process response of specific surface area of the bentonite. The ranges of values for the process parameters chosen were: time, 5–21 min; acid concentration, 2–7 M; and microwave heating power, 63–172 W. The effect of individual variables and their interaction effects on the textural and structural properties of the bentonite were determined. Statistical analysis showed that the duration of microwave irradiation was less significant than the other two factors. The model showed that increasing the time and acid concentration improved the textural properties of bentonites, resulting in increased specific surface area. This model is useful for setting an optimum value of the activation parameters for achieving the maximum specific surface area. An optimum specific surface area of 142 m2g−1 was achieved with an acid concentration of 5.2 M, activation time of 7.4 min, and microwave power of 117 W.

The Wisconsin high-temperature superconductor axisymmetric mirror experiment (WHAM) will be a high-field platform for prototyping technologies, validating interchange stabilization techniques and benchmarking numerical code performance, enabling the next step up to reactor parameters. A detailed overview of the experimental apparatus and its various subsystems is presented. WHAM will use electron cyclotron heating to ionize and build a dense target plasma for neutral beam injection of fast ions, stabilized by edge-biased sheared flow. At 25 keV injection energies, charge exchange dominates over impact ionization and limits the effectiveness of neutral beam injection fuelling. This paper outlines an iterative technique for self-consistently predicting the neutral beam driven anisotropic ion distribution and its role in the finite beta equilibrium. Beginning with recent work by Egedal et al. (Nucl. Fusion, vol. 62, no. 12, 2022, p. 126053) on the WHAM geometry, we detail how the FIDASIM code is used to model the charge exchange sources and sinks in the distribution function, and both are combined with an anisotropic magnetohydrodynamic equilibrium solver method to self-consistently reach an equilibrium. We compare this with recent results using the CQL3D code adapted for the mirror geometry, which includes the high-harmonic fast wave heating of fast ions.

Two splendid Oxford Handbooks deserve the opening slot of my review. The Handbook of Greek and Roman Mythography contains forty chapters, each of which closes with a helpful section on recommended further reading. The editors have organized the material in five very well-conceived parts. The first section, ‘Mythography from Archaic Greece to the Empire’, naturally wrestles with the question: When does mythography start? Two initial chapters provide their answers, and the rest of the contributions in this section offer an overview of mythography in Greek (Hellenistic and Imperial period) and Latin. The second section aims to provide an overview of individual mythographers: the stars of this section are Apollodorus, Antoninus Liberalis, Parthenius, Conon, and Hyginus. The eighteen chapters provide informative and concise introductions to authors who specialized in mythography, but also to the mythographic tendencies in authors such as Pausanias or Ovid, as well as in the scholia and even mythographical papyri. The third section is on the typical genres or interpretative models with which mythography tends to intersect: rationalizing historical approaches, philosophical allegoresis, etymologizing, catasterism, local historiography, paradoxography, creative approaches to mythography in ancient education, the role of mythography in political discourse, geography, and, finally, an investigation of the ancient terms used to designate the activity and the writings of a mythographer. The fourth section, ‘Mythography and the visual arts’, is a provocative and highly interesting experiment in viewing visual representations of myth as a mythography of sorts: can vases, frescoes, and sarcophagi be seen as visual pendants to literary mythography? These three contributions are all highly rewarding and thought-provoking. The closing, fifth, section offers richly rewarding discussions of the role of mythography in the age of Christianity, starting with the way early Christian writers draw on Greek and Latin mythographers, followed by chapters on mythography in the Byzantine Empire, the Latin West, and in the Renaissance.