We tested popular wideband O₂ controllers against lab-grade equipment to see how accurate their lambda readings really are under real engine conditions.

To keep your checkpoint running and save as many lives as possible, consider the following beginner tips for Quarantine Zone: ...

Fingertip monitors known as pulse oximeters that can be used at home to detect low blood oxygen levels (hypoxemia) give ...

Abstract: The rapid proliferation of environmental sensor networks (ESNs) used for monitoring environmental systems, such as meteorology and air quality, and advances in database technologies [e.g., ...

Ghaziabad police have found themselves at the centre of a storm of laughter and disbelief after a video from December 23 went viral showing an officer pressing a mobile phone against a young man’s ...

Anyone still using an older mobile phone on the O2 network is being urged to upgrade now. The popular UK mobile provider has just issued a final warning ahead of the imminent shutdown of its 3G ...

We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› By Wirecutter Staff No matter how long you’ve used an iPhone, there are always ...

Abstract: Smart parking system (SPS) needs parking status information to support its reliable and efficient operation. The magnetometer-based wireless parking sensors (WPSs) have the advantage of low ...