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

VO2 max is an intimidating word for an easy-to-understand biometric: It’s how well your body uses oxygen when you push ...

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

Mike Brown’s honeymoon phase is over. Adversity has struck. It was always bound to happen at some point — teams rarely go entire seasons without some sort of lull or hiccup. And now, Brown is facing ...

Abstract: Aluminum electrolytic capacitors (AEC) as a high energy density, low-cost energy storage component, are widely used in power electronic converters to stabilize the output voltage. However, ...

PCWorld explains how to create an affordable CO2 air quality monitor using a Raspberry Pi and MH-Z19C sensor for under $40. This DIY project helps monitor indoor air quality since high CO2 levels ...

We may receive a commission on purchases made from links. While it may seem intimidating at first, there are plenty of easy DIY auto maintenance projects that even the most novice DIY-er can handle.

Imaging technology has transformed how we observe the universe—from mapping distant galaxies with radio telescope arrays to unlocking microscopic details inside living cells. Yet despite decades of ...

Abstract: This paper presents a novel dynamic slot allocation algorithm for wireless sensor networks designed to overcome resource constraints. Our algorithm operates without explicit request messages ...