WiFi signals can measure heart rate - with no wearable device needed, reveals new research. Engineers showed their technique is effective even with the lowest-cost WiFi devices. Heart rate is one of ...

Pulse-Fi works by taking advantage of the way Wi-Fi signals interact with the body. Imagine checking your heart rate without strapping on a smartwatch or chest monitor. This future might not be far ...

When a Wi-Fi router sends a signal to a device like a smartphone or laptop, that signal’s radio waves pass through other objects on the way. The objects absorb some of that wave, resulting in ...

Whether you use an armband or chest strap, add some smarts to your exercise and training routine with one of the top heart ...