This fabric can hear your heartbeat
Threads containing piezoelectric materials create electrical signals from sounds
![image of experimental fabric made of woven blue, green and red thread](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2022/03/031522_CW_fabric-microphone_feat_rev.jpg?fit=1030%2C580&ssl=1)
This experimental new fabric can capture sounds from the environment and, when integrated into clothing, inside of bodies. Such materials could provide a comfortable, nonintrusive — even fashionable — way to monitor body functions or aid with hearing.
Fink Lab/MIT, Elizabeth Meiklejohn/RISD