Archive

Four iPhones, one iOS experience—very different daily trade-offs. The 16e is the budget A18 entry with real compromises (single camera, basic Qi charging). The 16 and 16 Plus are the balanced picks with MagSafe/Qi2 and an ultrawide camera. The 16 Pro Max is the creator’s choice with 120Hz, 5x zoom, and faster USB-C.

This PubMed-listed review examines how 5G deployment (denser small cells and beamforming) changes RF-EMF exposure patterns and evaluates the validity of low-cost sensors for 5G exposure monitoring. Reviewing over 60 studies across Sub-6 GHz and emerging mmWave systems, it reports that well-calibrated low-cost sensors…

This paper presents a machine-learning method to estimate ground-level electromagnetic radiation (electric field strength) in the near field of 5G base stations, using multiple technical and environmental input parameters. The authors report experimental performance with a mean absolute percentage error of about…

This exposure assessment study introduces a cost-efficient add-on sensor attached to a smartphone to quantify auto-induced uplink RF-EMF transmission across 100–6000 MHz in multiple microenvironments. Activity-based surveys were conducted in seven European countries under non-user, maximum downlink, and maximum…

This paper describes the design, calibration, and experimental validation of a low-cost tri-axial sensor for monitoring 50 Hz magnetic fields from high-voltage power lines. The sensor was calibrated on-board and in-lab against a narrowband EHP-50 benchmark and then verified in situ at two locations, with reported…

This review-style article discusses gerontechnologies—mobile applications on smartphones/tablets and remote monitoring systems—for outpatient symptom monitoring and self-care management in older adults with heart failure. It frames these tools as potentially cost-effective and accessible when designed for older…

This conference paper describes an automated method for ABO and Rh-D blood typing using images captured by low-cost mobile phones of a fabric strip rapid diagnostic test. The approach applies morphological image processing steps including noise reduction, range filtering, and empirically derived heuristics to…

This review assessed surgical and procedural case logbook smartphone applications available in major app stores. Of 2,740 apps screened, 16 were relevant and 11 were suitable for critical review, with reported variation in app size and cost. The authors conclude that current mobile apps can efficiently replace…

This engineering paper describes low-power wireless sensor nodes and a cluster-based dynamic-tree hierarchical WSN architecture for monitoring historical buildings and wooden artifacts for early pest detection. The authors report simulation and demonstration results indicating improved scalability and reliability…

This article reports an engineering implementation of a wireless sensor network-based remote water-level monitoring system. The system includes field sensors, a base station, a data center, and a web publishing module, and is described as providing real-time monitoring and anti-jamming capability. The authors state…

This cross-sectional web-based survey assessed parents' concerns about managing their children's diabetes and their attitudes toward a mobile-phone-integrated glucometer service that could transmit real-time glucose readings. Parents most commonly reported concerns about access to their child's health care provider,…

This engineering conference paper describes a single access point method for localizing a subject using RF signals from wearable wireless sensors. The approach combines RSSI and LQI measurements from one basestation and applies filtering. The abstract reports that accuracy can approach that of multi-basestation…