Wi-Fi Signals Can Measure Heart Rates Without Wearables, New Research Suggests

Macy is a writer on the AI Team. She covers how AI is changing daily life and how to make the most of it. This includes writing about consumer AI products and their real-world impact, from breakthrough tools reshaping daily life to the intimate ways people interact with AI technology day-to-day. Macy is a North Carolina native who graduated from UNC-Chapel Hill with a BA in English and a second BA in Journalism. You can reach her at mmeyer@cnet.com.

• Macy has been working for CNET for coming on 2 years. Prior to CNET, Macy received a North Carolina College Media Association award in sports writing.

Imagine checking your heart rate without strapping on a smartwatch or chest monitor. This future might not be far off. 

Engineers at the University of California-Santa ...