HealthDay News March 12, 2021
One in four U.S. households use smart speakers to check the weather, play music and query search engines. But a new technology may soon have folks asking, “Hey Google, how’s my heart?”
Researchers from the University of Washington, Seattle, have developed a skill for Amazon Alexa and Google Home that allows the devices to check heart rhythms.
Like a bat using echolocation to hunt for food, inaudible sound waves radiate from the speaker and bounce off the surroundings before returning to the device to paint a detailed picture of the space — so detailed, in fact, that the technology can differentiate between a person breathing and her heart beating. This phenomenon is possible because your heart actually creates a tiny...
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