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 ...

There is probably no extreme sport like apnea diving: Herbert Nitsch dived 253 meters deep in the ocean in 2012, and Vitomir Maričić stayed underwater for 29:03 minutes last year – both without oxygen ...

Abstract: Bulk yttria-stabilized zirconia (YSZ) oxygen detectors are widely used in areas such as the automotive industry. However, these detectors have high power consumption, which limits their ...

Background The Six-minute walk test (6MWT) is extensively used to assess functional capacity in patients with COPD. The current gold standard for administering and recording the test is a combination ...