One of the most important measurements we make while tuning an engine is finding out what the actual balance of air and fuel was inside the engine. It doesn’t matter if we have a carburetor, port ...

A group of scientists will later this year deploy deep-sea landers to test whether metallic rocks on the ocean floor do in fact produce oxygen. The claim, made in 2024 by British marine ecologist ...

As a cyclist appraising an unfamiliar bike, what are the first two things you do? You give the brakes a cursory squeeze, then pick it up. Weight really is the only proper performance metric that ...

Abstract: Based on outstanding characteristics of MEMS technology, modern space missions are looking for putting it into practice. Sun sensors are key components in the Attitude Determination and ...

Abstract: Postural instability is one of the main motor impairment of Parkinson's disease (PD). The Pull Test is the most common clinical examination to assess postural instability in PD. However, the ...

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Objective: This study tested performance and value of a mobile phone app that combined objective and real-time self-report methods to measure physical activity using sensor-informed context-sensitive ...