Middle East Technical University

The New Era of Metrology: What Lies Ahead for National Metrology Institutes?

This article examines the strategic implications of the 28th General Conference on Weights and Measures (CGPM) for the future of National Metrology Institutes. It focuses particularly on the digital transformation of the global metrology system and explores how developments such...

Policy Decisions as Data: History-Only Benchmarks for Central-Bank Rate Forecasting

Central-bank policy decisions leave a persistent record of policy cycles. We develop forecasting benchmarks that use this record alone, without macroeconomic indicators, market prices, or communication text. A Gaussian recency score provides a transparent local baseline. A state-...

Iterative LMI-Based Plant–Controller Co-Design Using Explicit Model Following Control: A VTOL Application

A plant–controller co-design methodology is proposed in which the reference model dynamics are parameterized and incorporated directly into the optimization rather than prescribed a priori. Within an Explicit Model Following (EMF) architecture, plant-design variables and referenc...

Yüzyıl ortası Türkiye’sinde kentsel dönüşümün edebi anlatıları: Romanlarda bir hafıza mekânı olarak gecekondu

Bu makale, 1950’ler ve 1960’larda Türkiye’de hızlanan iç göçün yol açtığı mekânsal ve toplumsal dönüşümleri, dönemin gecekondu temsillerine odaklanan edebiyat üzerinden inceler. Çalışma, edebi anlatıların kırsal kökenli nüfusun kentsel deneyimlerini ve gecekondulara ilişkin mekân...

Architecture and the Limits of Experience: Spatial Apparatuses of Knowledge, Power, and the Self

This article examines the problem of experience in architectural discourse by proposing a historico-critical framework that reconceptualizes architecture as a technology of framing. Drawing on Bernard Cache’s approach to architecture as a generative system of frames and Michel Fo...

A local discontinuous Galerkin method for Dirichlet boundary control problems

Abstract In this paper, we consider control constrained L 2 -Dirichlet boundary control of a convection−diffusion equation on a two dimensional convex polygonal domain. We discretize the control problem based on the local discontinuous Galerkin method with piecewise linear ansatz...

Redox-Active Microneedle Platforms for ROS Modulation in Chronic Wound Healing

Chronic wounds represent a growing clinical and economic burden, and their impaired healing is closely linked to a disrupted redox environment. Reactive oxygen species (ROS) are essential signaling molecules that regulate each phase of wound healing, from hemostasis and inflammat...

Experimental Performance Comparison of Unimorph- and Bimorph-Driven Synthetic Jet Actuators

This study presents an experimental comparison of synthetic jet actuators employing unimorph and bimorph piezoelectric diaphragms under identical cavity-orifice geometries. Two cavity-orifice arrangements, namely, opposite and adjacent configurations, are examined over a broad ra...

Critical State Response of Granular Soils: Probabilistic Predictive Models Incorporating Grain Size, Distribution and Shape Effects

The critical state locus (CSL), expressed in the void ratio (e) – natural logarithmic mean effective stress (ln⁡p') space, is typically defined by slope (λ_e) and intercept parameters (Γ_1), the latter corresponding to the void ratio at a reference mean effective stress of unity....

A stochastic Galerkin method for optimal Dirichlet boundary control problems with uncertain data

Abstract The paper deals with a stochastic Galerkin approximation of elliptic Dirichlet boundary control problems with random input data. The expectation of a tracking-type cost functional with deterministic constrained control is minimized. Error estimates are derived for the co...

Cinema Capitalism and the Turkish Imagination: Mickey Mouse, Global US Icons, Karagöz, and Cultural Conflict in the 1930s and 1940s

Abstract This article examines the circulation, adaptation, and contestation of US mass culture in early republican Turkey through encounters between Mickey Mouse, Hollywood cinema, and the Ottoman shadow play Karagöz. Although Mickey was the first global icon to enter Turkish ch...

Sustained peripheral nociceptive input disrupts interstimulus-interval-dependent sensory gating in the rat primary somatosensory cortex

Sensory gating is processed in thalamocortical pathways and depends significantly on the interstimulus interval. Somatosensory symptoms and temporal discrimination disturbances are associated with nociceptive conditions. We aimed to investigate the effects of capsaicin applicatio...

SpaCEy links spatial tissue patterns to clinical outcomes using explainable graph neural networks

Abstract Tissues are complex ecosystems organised in space, and alterations in this organisation underpin multiple diseases. Spatial omics enables molecular profiling of tissue organisation, but linking these patterns to clinical outcomes remains challenging. We present SpaCEy (...

A semi-analytical intermittent multilayer solution for borehole heat exchangers with Bayesian calibration under heat extraction and thermal recovery conditions

Ground source heat pump systems (GSHP) and borehole heat exchangers (BHEs) are commonly analyzed using analytical or semi-analytical models due to their rapid performance compared to full numerical simulations. Yet many existing solutions still treat either continuous operation,...

Suppressing Charge Recombination in DSSCs with ZrO2 Compact Layers: Experimental Validation and Mathematical Modeling

Since their breakthrough development, dye-sensitized solar cells (DSSCs) have emerged as highly promising third-generation photovoltaics; however, interfacial charge carrier recombination remains a persistent bottleneck. This study investigates the application of a wide bandgap Z...

Design for well-being: Addressing diverse challenges of aging through conceptual product service system proposals

This paper describes a postgraduate design course that explored how students might respond to diverse aging-related challenges through concept-level proposals. The course theme, ‘Age-Well’, invited students to consider how design can contribute not only to safety and accessibilit...

Metrology and Quality Infrastructure: The Invisible Foundation of Advanced Technology

Metrology and quality infrastructure are rarely visible in public discussions, yet they form an essential foundation for scientific research, industrial production, healthcare, energy systems, international trade, and technological independence. This working paper examines how me...

Every negative amphichiral knot is rationally slice

In 2009, Kawauchi proved that every strongly negative amphichiral knot is rationally slice. However, as shown by Hartley in 1980, there are examples of negative amphichiral knots that are not strongly negative amphichiral. In this paper, we prove that every negative amphichiral l...

Selenium-Rich Conjugated Polymer Additives Enable Enhanced Stability in Perovskite Solar Cells

Abstract Perovskite solar cells (PSCs) have garnered significant attention in recent years due to their remarkable optoelectronic properties and the unprecedented performance gains achieved in an unprecedentedly short timeframe since their discovery. Among the various strategies...

Labour Market Implications of Generative AI in an Emerging Economy: The Case of Türkiye

Generative artificial intelligence (AI) is increasingly viewed as a general-purpose technology with far-reaching labour-market implications. While existing evidence is largely drawn from advanced economies, much less is known about the impact of generative AI on employment in eme...