Mass air flow sensors fail most often in cars but a $20 air filter replacement every 12,000 miles prevents the $250-400 repair bills most drivers face.

Roads are subject to heavy wear from traffic and environmental factors. Over the long term, these things add up to cracks and other defects in the asphalt. Micro-cracks and damage to deeper layers ...

Abstract: Miniature and multiparameter integrated water quality sensors are essential for marine environmental protection, resource exploration, and fisheries exploitation. This work describes a ...