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Best heart rate monitors 2025: Never miss a beat, on and off the bike

There are forearm-based heart rate monitors, wrist-based heart rate monitors, smartwatches, fitness trackers and even ...
IEEE

Design of a Low-Cost System for the Measurement of Variables Associated With Air Quality

Abstract: Poor air quality is a global problem that affects human health and ecosystems all over the world. For that reason, many countries invest in networks of reference monitoring stations that ...
C&EN

Nanosensor-Based Real-Time Monitoring of Stress Biomarkers in Human Saliva Using a Portable Measurement System

Institute of Ion Beam Physics and Materials Research, Helmholtz-Zentrum Dresden-Rossendorf e.V. (HZDR), 01328 Dresden, Germany Institute of Electronic Packaging Technology and Center of Microtechnical ...
IEEE

A Novel Architecture and Estimation Algorithm for Adaptive Distribution Phasor Measurement Unit in Renewable-Rich Electrical Distribution System

Abstract: Sensing and measurement devices are keeping pace with advancements in the distribution power system. The ability to provide time-synchronized measurements at a fast reporting rate by ...
Yahoo Finance

Lockheed's Unit Wins a $131M Contract to Aid Integrated Combat System

Valued at $131.4 million, the contract is expected to be completed by September 2026. Per the terms of the deal, Lockheed will provide items supporting Systems Engineering and Software Integration (SE ...