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Earlier sources: Hardware
Hardware is the physical foundation of computing: chips, sensors, devices, networks, and the processes that manufacture them. Follow semiconductor research, compute architectures, and engineering developments alongside their software and energy connections.
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 ↗533 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
Halide Effects on Platinum Co-Catalysts Govern Photocatalytic Hydrogen Evolution in Organic Semiconductor Nanoparticles ↗
Abstract Platinum cocatalysts are essential for photocatalytic hydrogen evolution by organic semiconductor (OSC) bulk-heterojunction nanoparticles (BHJ NPs), yet the surface chemistry of photodeposited Pt remains poorly understood. Here, we show that the halide ligand in hexahaloplatinate(IV) precursors (K2PtX6, X = Cl, Br, I) critically governs both the kinetics of Pt photodeposition and the resulting photocatalytic performance. Chloroplatinate precursors leave partially reduced [PtClx]n species adsorbed on the Pt surface, poisoning active sites and severely suppressing H2 evolution rates in…
- OpenAlex · Published · First archived
3D- and 4D-Printed Nano-Enabled Soft Robots for Cancer Diagnosis and Therapy: Materials, Manufacturing, Image Guidance, and Translational Validation ↗
Three-dimensional (3D) and four-dimensional (4D) printing expand the design space for nano-enabled soft robots intended for cancer diagnosis and therapy. This structured narrative review separates three evidence classes: core systems satisfying all scope criteria, adjacent technologies satisfying only part of the definition, and enabling technologies not yet integrated as oncology soft robots. The revised evidence set contains 12 core reports, 7 adjacent comparators and 68 enabling methods, standards or background reports. Study-level analysis using independent manufacturing, biological, workf…
- OpenAlex · Published · First archived
The Intelligent Crusher: A Reinforcement Learning Framework for Sensor-Fused Microwave-Assisted Comminution: Design and Simulation-Based Validation ↗
Comminution is the most energy-intensive stage of mineral processing, and microwave-assisted comminution (MAC) can reduce grinding energy by selectively heating microwave-absorbing minerals within transparent gangue, generating thermal microcracks that improve liberation. MAC performance, however, depends on the ore mineralogy and surface, which fixed-parameter operation cannot accommodate. An integrated mechatronic “intelligent crusher” is presented unifying actuation (microwave source, feed system, adjustable crusher geometry), sensing (thermal infrared and hyperspectral imaging, HSI), and c…
- OpenAlex · Published · First archived
Real-Time Fall Detection in Indoor Environments Using FMCW Radar and Lightweight Ensemble CNN on Edge Devices ↗
Falls are a leading cause of injury and mortality among the elderly, particularly indoors where privacy concerns limit real-time monitoring. This study developed a privacy-preserving, real-time fall detection system using a frequency-modulated continuous wave radar sensor and a lightweight convolutional neural network (CNN) architecture deployed on an edge device. To address the limitations of wearable and vision-based methods, the system leverages contactless radar sensing and an ensemble of two independent CNN models, namely, a base model designed to capture the entire fall sequence for high…
- OpenAlex · Published · First archived
Systematic power decarbonization strategies for sustainable steel manufacturing: an integrated modeling framework combining process regulation and technology integration ↗
Achieving an economically feasible low-carbon transition is critical for the steel industry. Electricity serves as a central energy carrier in steel manufacturing, making power decarbonization important to the low-carbon development of this sector. However, existing studies often underrepresent the system-wide propagation effects arising from the coupling between production and power systems, which can bias estimates of decarbonization benefits and associated trade-offs. This study develops an integrated modeling framework to quantify the emission and economic contributions of electricity and…
- OpenAlex · Published · First archived
Rayleigh Backscattering-Based Optical Fiber Sensor for Cryogenic Liquid-Level Measurement ↗
Cryogenic liquid-level measurement requires a distinct and repeatable liquid–vapor interface signal. In this study, a commercial coherent optical frequency-domain reflectometry (C-OFDR) instrument is used to interrogate an electrically heated SMF-28 probe. The contributions are an analysis of the heat-transfer-based sensing principle, a bonded probe package, and experimental evaluation of interface stability and repeatability. A separate enameled Ni-Cr wire and the fiber are bonded with thermally conductive adhesive before insertion into a sleeve, providing controlled thermal contact. The inte…
- OpenAlex · Published · First archived
Additive Manufacturing as a Design Enabler for Air-Breathing Electrochemical Devices: A PEM Fuel Cell Case Study ↗
Portable air-breathing electrochemical devices, particularly polymer electrolyte membrane fuel cells (PEMFCs), offer simple, lightweight, and compact power generation by using atmospheric oxygen as the oxidant. Their performance, however, depends strongly on cathode plate geometry that governs reactant transport, thermal and water management, and mechanical integrity. Conventional manufacturing has historically restricted this architectural design space. This perspective examines how additive manufacturing (AM) enables three-dimensional geometries that can overcome these constraints. An open c…
- OpenAlex · Published · First archived
A Novel Density-Based Hybrid Multi-Hop PEGASIS Protocol with Adaptive Packet Transmission for Energy-Efficient Wireless Sensor Networks ↗
Energy imbalance and costly long-distance communication remain limitations of chain-based routing in energy-constrained wireless sensor networks. Energy imbalance is still a problem even though PEGASIS reduces transmission distance through chain-based data aggregation. Energy imbalance can be affected by repeated leader burden, expensive leader-to-sink communication, fixed packet size, and limited adaptation to changes in node-energy distribution. This study proposes Density-Based Hybrid MultiHop PEGASIS, which integrates adaptive DBSCAN clustering localized nearest-neighbor chain construction…
- OpenAlex · Published · First archived
Frequency-Shift Filtering for Interference Mitigation in Sensor Networks: Signal Parameter Impacts and Empirical Performance Benchmark ↗
Frequency-shift (FRESH) filtering is a low-compute technique that is deemed an attractive alternative to successive interference cancellation (SIC) algorithms in communication systems that involve resource-constrained devices. FRESH filters exploit the cyclostationary properties of interfering signals by linearly combining the spectrally redundant components of a signal such that they destructively add. Therefore, the performance in terms of bit error rate or mean squared error achievable by a FRESH filter is dependent on the cyclostationarity features exhibited by a signal. Their computationa…
- OpenAlex · Published · First archived
A Versatile Microfluidic Manufacturing Platform for Macroscale Multicore Hydrogel Capsules Toward Programmable Oral Delivery of Therapeutics ↗
The rapid expansion of personalized precision medicine and the increasing prevalence of chronic diseases have rekindled crucial needs for individualized therapeutic drug delivery systems. Conventional oral formulations are largely based on standardized designs for mass production and therefore lack the flexibility required for patient-specific therapeutic strategies, including combination dosing and controlled release. We report a rapid microfluidic fabrication method for millimeter-scale hydrogel capsules (macrocapsules) as a versatile platform suitable for oral delivery of therapeutics. Our…
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How to assess evidence about Hardware
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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