Researchers Create New Fabric That Can Hear Your Heartbeat
The fabric can pick up sounds ranging in volume from a quiet library to heavy road traffic, and determine the direction of sudden sounds like handclaps.
MIT photo of acoustic fiber and fabric with fiber.
Photographer: Fink Lab MIT/Elizabeth Meiklejohn RISD/Greg Hren/PA MediaThis article is for subscribers only.
Researchers have created a fabric that can hear your heartbeat.
The material works like a microphone and converts sound into vibrations, and then into electrical signals, similarly to how our ears hear.