Tissue paper – similar to toilet tissue – has been turned into a new kind of wearable sensor that can detect a pulse, a blink of an eye and other human movement

University of Washington graduate student, Jinyuan Zhang, demonstrates how wearable sensors can track eye movement.
Dennis R. Wise/University of Washington
The sensor is light, flexible and inexpensive, with potential applications in health care, entertainment and robotics.

The technology, described in a paper published in January in the journal Advanced Materials Technologies, shows that by tearing tissue paper that’s loaded with nanocomposites and breaking the paper’s fibers, the paper acts as a sensor. It can detect a heartbeat, finger force, finger movement, eyeball movement and more.

These small, Band Aid-sized sensors could have a variety of applications in various fields. For example, monitoring a person’s gait or the movement of their eyes can be used to inspect brain function or a game player’s actions. The sensor could track how a special-needs child walks in a home test, sparing the child the need for hospital visits. Or the sensors could be used in occupational therapy for seniors.

For the details: Tissue paper sensors show promise for health care, entertainment, robotics

 

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