If you're in the market for a new smartwatch, the first one you'd probably consider is the brand new Apple Watch Series 4. It's one of the best looking, and it includes an electrocardiographic sensor ...

With heart rate monitors now standard in smartwatches and fitness trackers, electrocardiograms (ECG/EKG) have rapidly become a common feature in health wearables. The technology may assist individuals ...

Roland is a technology enthusiast who loves to tinker and geek out about the latest smartphones, tablets, smartwatches, and other wearables and gadgets. He aims to provide honest reviews and thoughts ...

Inductive sensors are non-contact proximity sensors that detect ferrous targets, ideally ones made of mild steel thicker than one millimeter. They consist of four major components: a ferrite core with ...

The best smart thermostats we've tested can control your home's heating and cooling with your phone or voice—and might help you save on energy costs. I’ve been working with computers for ages, ...

Nanosensors are chemical or mechanical sensors that can be used to detect the presence of chemical species and nanoparticles, or monitor physical parameters such as temperature, on the nanoscale. They ...