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Earlier sources: Energy
Energy research and engineering concern how power is produced, stored, delivered, and consumed. Follow solar and nuclear power, fusion, geothermal systems, batteries, electricity grids, and changing power demand.
SYMTRI organizes observations from public sources into a living map. Connections reflect shared subject matter; they do not establish causation or endorse a source.
Open in the map ↗660 classified signals in the fourteen-day window. Recent momentum: steady. These counts include signals awaiting readable evidence.
Earlier sources
Up to ten sources with readable evidence, ordered by their feed timestamp. These archive sources can be older than the live fourteen-day window. This list is a sample, not a measure of total activity. Dates distinguish paper publication, repository creation, model/dataset activity, Hacker News posts, and KEV catalog additions. “First archived” records when SYMTRI first stored the signal.
- OpenAlex · Published · First archived
FG-Net: A unified feature fusion graph-based framework for IoT intrusion attack classification ↗
The Internet of Things (IoT) has emerged as a key enabler of intelligent systems, but it faces challenges related to security and privacy. Traditional Intrusion Detection Systems (IDSs) are not suitable to IoT environments due to constraints such as limited memory, processing power, and battery life. The majority of current models focus on homogeneous aggregation of network flows and neighbourhoods in the context of graph-based learning, making it impossible to distinguish malicious from benign flow representations and undermining the ability to capture attack specifics. To overcome these prob…
- OpenAlex · Published · First archived
Renewable Energy Communities as Green Hydrogen Hubs—A Techno-Economic Optimization Framework for Green Hydrogen Infrastructure in Interconnected Renewable Energy Community Networks ↗
With the rapid global expansion of renewable energy installations, green hydrogen has gained growing interest as a flexible energy carrier capable of supporting sector coupling, seasonal storage, and industrial decarbonization. Renewable Energy Communities (RECs) represent a promising organizational structure for decentralized green hydrogen production; however, the integration of multiple interconnected RECs through local hydrogen transport networks remains insufficiently characterized. This study presents a Mixed-Integer Linear Programming (MILP) framework for the techno-economic optimizatio…
- OpenAlex · Published · First archived
A Harmonic-Energy Regional-Control Jamming Method Based on a Radiating Space–Time-Modulated Digital Metasurface ↗
Complex electromagnetic warfare poses increasingly stringent requirements on the spatial selectivity of jamming systems. Existing jamming methods mainly focus on false-target generation, while research on regional coverage of harmonic energy remains limited. In this paper, a harmonic-energy regional-control jamming method based on a radiating space–time-modulated digital metasurface is proposed. By optimizing the turn-on instants and duty cycles of 1-bit programmable elements, the amplitude, phase, and far-field superposition of the target harmonic are controlled, thereby constructing a predef…
- OpenAlex · Published · First archived
Short-Term Photovoltaic Power Prediction Method Based on Fusion of Cloud Map Features and Historical-Power Data ↗
Existing data-fusion-driven photovoltaic (PV) power-forecasting methods do not fully exploit cloud-image information. Simple feature concatenation cannot explicitly describe high-order interactions between cloud imagery and historical power, whereas full high-order fusion tensors introduce substantial parameter and computational overhead. This paper proposes a short-term PV power-forecasting method that fuses ground-based cloud-image features with historical-power data. MAGAN is used to enhance the brightness and texture representation of ground-based cloud images. An improved CNN-Transformer…
- OpenAlex · Published · First archived
Assessment of the Impact of Climatic Variations on the Photovoltaic Potential of Kankan (Guinea) Using NASA POWER Data and Artificial Neural Network (2000–2025) ↗
West Africa benefits from strong solar resources, yet in Guinea the influence of climate change on photovoltaic availability has received little attention. This work evaluates the effects of climate change on the photovoltaic potential of Kankan (Guinea) using daily data from the NASA POWER database for 2000-2025. The study focuses on global solar irradiation, air temperature, relative humidity, and wind speed. A semi-empirical model is used to estimate daily photovoltaic potential, and trends are analyzed with linear regression and the non-parametric Mann-Kendall test. In parallel, a multilay…
- OpenAlex · Published · First archived
Model Predictive Control-Based Coordinated Dynamic Optimization of Coal and Electricity Consumption for Low-Carbon Process Industry ↗
As a typical high-emission process industry, cement manufacturing features strong non-linearity, time-varying delays, and nonstationary dynamics, with clinker calcination dominating energy costs and carbon emissions. This paper proposes a receding-horizon MPC coordinated optimization framework for reducing coal and electricity consumption during calcination. First, ReliefF screening extracts key energy-related state variables from high-dimensional DCS data under process-mechanism constraints. VMD and sliding windows are then used to construct multiscale dynamic features describing nonstationar…
- OpenAlex · Published · First archived
On Energy and Density of Jovian Lightning ↗
Jovian lightning, first detected by Voyager 1 in 1979, has been extensively studied by missions like Galileo, Cassini, and Juno, revealing its occurrence in water clouds. We quantitatively compare Jovian lightning energies across radio, optical, and microwave spectra, highlighting their comparison with terrestrial lightning. Report on radiofrequency detections, such as Galileo probe measurements or whistlers observed by Voyager 1 suggested that Jovian lightning radiates significantly more energy than terrestrial lightning, with estimates ranging from hundreds of kilojoules to several gigajoule…
- OpenAlex · Published · First archived
Nuclear envelope rupture and resealing: mechanisms, consequences, and disease implications ↗
Abstract The nuclear envelope (NE) establishes an essential physical separation between the nucleoplasm and cytoplasm in eukaryotic cells. Its structural integrity ensures selective molecular exchange through nuclear pores, a fundamental feature of eukaryotic cells. For this reason, it has long been assumed that the NE remains intact. However, recent studies revealed localized rupture of the NE in diverse physiological and pathological contexts. These ruptures can be resealed by endogenous mechanisms, suggesting that rupture–resealing dynamics contribute to homeostasis and are altered in disea…
- OpenAlex · Published · First archived
Direct Sputtering Deposition of a Zn 1− x Ge x O x +1 Buffer Layer With a Controllable Conduction Band for Cd‐Free Cu(In,Ga)S 2 Solar Cells ↗
Cu(In,Ga)S 2 (CIGS) is a promising candidate material for the absorber layer in tandem solar cells, but the unfavorable conduction band offset with the conventional CdS buffer layer means that an alternative n‐type buffer layer material is required. Here, n‐type Zn 1− x Ge x O x +1 with x = 0–1 (ZnGeO) thin films are fabricated to serve as the buffer layer for CIGS solar cells. The [Ge]/([Zn] + [Ge]) ratio can be adjusted by a cosputtering deposition technique to control the optical bandgap of the ZnGeO films from 3.3 to 4.7 eV and the electron affinity from 4.1 to 3.2 eV. In experiments, ZnGe…
- OpenAlex · Published · First archived
Climate-Driven Transformation of Vernacular Buildings: A Typology-Based Energy Retrofit Approach ↗
Climate change poses significant challenges to the built environment, particularly in rural and mountainous regions where vernacular architecture represents an important part of cultural heritage. Traditional buildings, although originally adapted to local climatic conditions, often fail to meet contemporary requirements for energy efficiency and thermal comfort. This study investigates climate adaptation strategies for vernacular buildings through sustainable energy retrofit, focusing on three typologically distinct traditional houses in Sredačka Župa (Kosovo). The research combines typologic…
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How to assess evidence about Energy
Check each original source for its methods, release status, limitations, and supporting data. A repository announcement, a preprint, and a published study provide different kinds of evidence. SYMTRI’s subject classification helps discovery; it does not independently validate the source’s claims.
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