In the intricate balance of an internal combustion engine, the air filter plays a role that is often underestimated. While ...

Rock icon Rod Stewart was forced to pause his concert in Utah on Friday night and take pulls of oxygen from a tank onstage, saying afterward that he nearly fainted. Subscribe to read this story ...

Twelve vacuums went into our Testing Lab, but only seven made the cut. These are the recommended upright vacuum cleaners to keep your home clean, according to our expert product testers. Our editors ...

We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› By Andrea Barnes Andrea Barnes is a writer covering large cleaning appliances.

Abstract: For the large-scale monitoring of a physical phenomena using a wireless sensor network (WSN), a large number of static and/or mobile sensor nodes are required, resulting in higher deployment ...

Abstract: In this work, an antenna-based sensor is proposed to monitor permittivity variation. On FR4 epoxy of 12x12x1.5 mm 3, our structure was designed, and then validated on HFSS (High Frequency ...