Here's How To Tell If A CR2032 Battery Is Bad

Found in Apple AirTags, the CR2032 button cell battery, also known as a coin battery, is actually surprisingly easy to test ...

The hidden enemy on Mount Kilimanjaro: Safely dealing with low oxygen at high altitude

At altitudes over 2,400 metres, lack of oxygen — a condition called hypoxia — can cause acute mountain sickness. Incidence ...

Pathogen-agnostic testing reveals hidden respiratory threats in negative samples

The COVID-19 pandemic brought the term "Polymerase Chain Reaction testing" into the mainstream. The PCR method is a type of ...
EDN

Cardiac monitors: Inconspicuous, robust data collectors

Following up on the cardiac abnormality thankfully detected by wearable devices, this engineer details the system he donned ...
IEEE

Fluorescent and Easy-Make Hybrid Sensor Based-on Silica Gel & BODIPY for the Detection of Cu (II) in Aqueous Medium: Fully Characterized, Effective and Visual Data

Abstract: Cu (II) ion has potential roles in a lot of living metabolisms that its detection and removal are extremely important for flagship branches of science. In this paper, fluorescent and ...