When a transmitter sends a Wi-Fi signal and a receiver captures it after it passes through a person, the signal’s changes can ...

Computer Science and Engineering Ph.D. student Nayan Bhatia demonstrates Pulse-Fi, technology that uses WiFi signals to measure a person's heart rate. Heart rate is one of the most basic and important ...

From Apple Watches to Fitbits to treadmills, there are more ways than ever for people to keep up with their vitals. So why does so much fitness tech check your pulse? Because your resting heart rate ...

A racing heart is usually a sign of agitation or excitement. But if it's not unusual for your heart to beat too fast or to skip a beat, it might be worth having it checked out by a doctor. In order to ...

Everything you need to know about photoplethysmography (PPG), the technology behind heart rate measurements in fitness watches and smart rings. When you purchase through links on our site, we may earn ...

It is very simple and easy to check your heart rate, which helps track not only your fitness levels but also manage any ongoing health issues like diabetes or high blood pressure. It also makes you ...

To live is to have a heartbeat, which is why it makes sense for us living things to have a good understanding of our ticker. It’s well-known science that our hearts beat faster when we exercise and ...