This e-device can monitor heart, recognise speech
US researchers have developed a tiny, soft and wearable acoustic sensor that can measure vibrations in the human body, allows monitoring of human heart health as well as recognise speech.

The sensor, developed by researchers from the University of Colorado-Boulder and Northwestern University in the US, resembles a small band-aid, weighs less than one-hundredth of an ounce and can be mounted on nearly any surface of the body...