If you wanted to check someone's pulse from across the room, for example to remotely monitor an elderly relative, how could you do it? You might think it's impossible, because common health-monitoring ...

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 ...

Chandler Bauder receives funding from the NSF. Aly Fathy receives funding from the National Science Foundation. If you wanted to check someone’s pulse from across the room, for example to remotely ...