United Kingdom, Sept. 10 -- Wi-Fi signals can be used to measure heart rates without wearables, according to a new study.

Engineers at the University if California-Santa Cruz have been working on a new project called Pulse-Fi, with Wi-Fi signals being used to monitor people's heart rates without using a smartwatch or chest strap.

The study reads: "Non-intrusive monitoring of vital signs such as heart rate is critical to improving elderly care and early health intervention.

"Long-term care and healthcare institutions increasingly need systematic, continuous accuracy that is easy to deploy.

"Wi-Fi signals offer unique advantages: they penetrate walls, are ubiquitous indoors and avoid camera-based privacy concerns."

Early data in the st...