Smartwatches commonly use heart rate variability to monitor stress. Columnist Helen Thomson explores what this metric ...

Building Arduino projects with multiple sensors can unlock powerful environmental monitoring, automation, and IoT applications. From DHT11 temperature sensors to motion, gas, and light detectors, ...

Daniel Ansorregui has developed LightInk, an open-source solar-powered E-ink watch inspired by 90s solar digital watches. It ...

Arduino’s open-source platform makes it easy for makers, students, and hobbyists to build powerful multi-sensor projects for home automation, monitoring, and IoT applications. From motion and gas ...

First, the good news: Most modern PC monitors are rather decent. Their minimum brightness, contrast, and color accuracy have improved significantly over the past decade. It’s a great time to upgrade ...

Infections cause people to become sick and change their behaviour. They develop fever, sleep poorly, eat less, experience difficulty with memory and learning, withdraw socially and complain of pain ...