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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 ↗714 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
Mechanical Properties and Gas Permeability Characteristics of Airtight Concrete for Sealing Layer in Compressed Air Energy Storage Underground Caverns ↗
Compressed air energy storage (CAES) is a promising large-scale energy storage technology, but its efficiency and safety depend critically on the sealing performance of underground caverns. From a building materials science perspective, a key challenge is to develop cement-based sealing materials that maintain low gas permeability and mechanical stability under coupled thermo-pressure cycles. However, the gas permeability evolution and microstructural mechanisms of sulphoaluminate cement-based airtight concrete under such conditions remain insufficiently understood. To address this problem, th…
- OpenAlex · Published · First archived
Modal Characterization of Glass–POE–Glass Laminate Specimens with Different Gel Contents for Non-Destructive Curing Assessment in Photovoltaic Applications ↗
The curing state of polyolefin elastomer (POE) encapsulants influences the mechanical behavior of laminated photovoltaic structures, while conventional gel-content (GC) determination requires destructive testing. This study evaluates vibration-based modal characterization as a potential non-destructive screening approach for distinguishing curing conditions in simplified glass–POE–glass laminates. Five GC levels (25%, 35%, 49%, 68%, and 75%) were investigated, with five independent laminate specimens tested at each level and five repeated modal measurements performed per specimen. The first si…
- OpenAlex · Published · First archived
Aspects of Symmetry in Nuclear Quantum Computing Variational Algorithms ↗
Variational Quantum Eigensolvers (VQEs) have become a standard tool for use in preparing eigenstates in quantum simulations of many-body systems. In the case of the nuclear shell model, various adaptations of the VQE have been shown to be able to produce ground and excited states of nuclei. The VQE algorithm works by seeking minima in a cost function, which is often the expectation value of the energy. For a well-formulated problem, symmetries that are respected by the Hamiltonian should appear in the final converged solution provided by the VQE, even if those symmetries are broken by the wave…
- OpenAlex · Published · First archived
Tether Discretisation in Airborne Wind Energy Systems: Convergence and Computational Cost ↗
In time-marching simulation of airborne wind energy systems (AWESs), the tether is usually discretised into a series of lumped masses (i.e., nodes) connected by spring and damper elements. There is no consensus on the appropriate number of nodes for AWES applications, although it is known that using more nodes than necessary is computationally costly. In this work, we examine the trim solutions of a fixed-wing aircraft connected to the ground by a 500 m tether. A successive difference metric is proposed to quantify the convergence rate of the trim solutions as more nodes are added. We then com…
- OpenAlex · Published · First archived
Comparison and Analysis of Grid Code Compliance in the Integrated Renewable Energy and Traditional Power Grid System: A Review ↗
The electric power system has seen an increase in the reliance on renewable energy sources as an alternative to traditional fossil fuel power generation in the 21st century. The two sources have different dynamic behaviors in how they generate electric power; their integration with one another has become a major challenge in the power grid system. That has forced the utility users to develop a system for grid code compliance to ensure that the existing grid remains sustainable and efficient in transmitting electric energy from the generation stations to the end users. This paper reviews grid c…
- OpenAlex · Published · First archived
Density-Frequency Dual-Feature Fusion for Intelligent Reel Spoke Recognition ↗
The number and orientation of spokes are critical parameters for spray-path planning of cable reels. Aiming at the low efficiency of manual counting, contour fragmentation of slender structures caused by traditional edge detection, and the inability to automatically determine the spoke quantity, this paper proposes an automatic spoke-detection method based on radial density fusion and frequency-domain analysis. First, Hough-gradient-based circle transform is adopted to locate the outer-circle boundary, and a multi-feature fusion algorithm is utilized to accurately extract inner-circle paramete…
- OpenAlex · Published · First archived
Actin Remodeling in Skeletal Myogenesis from Nuclear Signaling to Myoblast Fusion ↗
Actin remodeling accompanies myoblast proliferation, lineage commitment, elongation, fusion, and myofibril assembly, but these changes do not constitute a single linear pathway. This review separates three experimentally distinguishable scales of actin function in skeletal myogenesis. First, the balance between monomeric and filamentous actin controls myocardin-related transcription factor–serum response factor (MRTF–SRF) signaling and thereby couples cytoskeletal state to gene expression. Second, integrin–focal adhesion kinase (FAK)–Rho signaling and actomyosin tension influence Yes-associate…
- OpenAlex · Published · First archived
The Energy Economics of Artificial Intelligence Data Centers: Demand Uncertainty, System Costs, Flexibility, and Credible Decarbonization ↗
Artificial intelligence is accelerating data center electricity demand, but annual energy totals alone do not reveal when, where, or at whose cost new loads enter power systems. This review asks how uncertain projects should be translated into demand, infrastructure, price, flexibility, and environmental consequences. We conducted a structured critical review of 44 peer-reviewed studies, working papers, and official, regulatory, statistical, system-operator, and institutional reports identified through 31 August 2026, with explicit source selection and claim-level reliability appraisal. The ce…
- OpenAlex · Published · First archived
Discordant Chloroplast and Nuclear Divergence Among Eight Rubus crataegifolius (Rosaceae) Cultivars ↗
Background: Cultivar identification and the reconstruction of breeding relationships require markers that reflect both parents, yet plastome sequencing is often applied to these problems on its own. Methods: We tested how far chloroplast data alone can go in Rubus crataegifolius Bunge, using one plant of each of eight cultivars from Korean breeding programs. Complete chloroplast genomes (155,664–155,770 bp) were assembled for all eight and compared with nuclear resequencing data from the same plants. Results: The 526 plastome variants were concentrated in non-coding regions, and Ka/Ks ratios w…
- OpenAlex · Published · First archived
Energy Consumption Estimation for Electric Vehicles via Driving Style-Aware Optimization ↗
Driven by the dual-carbon strategy, accurate personalized energy consumption estimation of battery electric vehicles (BEVs) is a core demand of intelligent transportation. Differentiated long-term driving styles lead to 20–30% energy consumption differences under identical road environments, which cannot be captured by traditional prediction models. Current mainstream physical and data-driven modeling methods suffer prominent technical limitations: they only extract instantaneous driving features without mining stable latent driving preferences and adopt fixed-parameter transfer strategies tha…
Live window recorded . This is the ingestion observation time, not the publication or discovery date of each source.
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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