Wi-Fi signals and machine learning can noninvasively process heart rate with clinical-level accuracy in under 5 seconds.

Before you decide to click away, thinking we’re talking about some heart rate monitor that connects to a display using WiFi, wait! Pulse-Fi is a system that monitors heart rate using the ...

However, these must have skin contact and are typically worn on the finger. Pulse-Fi works remotely, allowing you to monitor ...

However, [Ludwin] noted that resting heart rates often settle somewhere near 60 bpm on average. Thus, they entered a heart rate sensor to our 2025 One Hertz Challenge!