A triathlon smartwatch can revolutionise your training and racing. But with so many on the market today, which are worth the spend? We tested 10 of the best to find ...

In this video, I created a blood oximeter by using the MAX30105 particle sensor to figure out the changes in color of passing blood through my finger and counting the pulse from that. The device uses ...

University of Alberta and Department of National Defence researchers have developed a tiny battery-free sensor that can be used to track vital signs of soldiers in the field, including checking for ...

Microscopic sensors that are as thin as a strand of hair but capable of taking multiple measurements simultaneously could revolutionize the diagnosis and monitoring of diseases like cancer.

Installing a smart water sensor can save you a lot of money and hassle. The top leak detectors we've tested immediately alert you to issues and even shut off your home's water supply. I’ve been ...

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, ...