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

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

You’ve probably never thought about breathing any other way than through your nose or mouth. Why would you? That’s just how it works. But what if the unthinkable happened — a blocked airway, collapsed ...

Trusted, comprehensive information and resources for heart health. Chest pain isn’t always a heart attack, but it’s safer not to guess. Know when symptoms mean it’s time to get help. It's not just ...

Abstract: Wire retention force is an important indicator for evaluating the reliability of wire insertion in electrical connectors. Current approaches to measure this force are mainly relied on spring ...

Abstract: The printed electrochemical sensors fabrication technology involves metal electrodes and carbon electrodes printed on a thin layer over a hard or flexible substrat, which is obtained using ...