Monday 22 May 2017

Researchers create a T-shirt that monitors the wearer’s breathing rate in real time — Université Laval — “The key to the smart T-shirt is an antenna sewn in at chest level that’s made of a hollow optical fiber coated with a thin layer of silver on its inner surface. The fiber’s exterior surface is covered in a polymer that protects it against the environment… As the wearer breathes in, the smart fiber senses the increase in both thorax circumference and the volume of air in the lungs… These changes modify some of the resonant frequency of the antenna.”

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