It's not unusual to see researchers and DIYers find new uses for the Raspberry Pi, but the potential in this latest discovery ...

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!

Engineers at the University of California-Santa Cruz developed a system that uses Wi-Fi signals to monitor heart rate without ...