Scientists develop smart t-shirts: monitor breathing rate
Researchers at Universite Laval in Quebec have developed a smart T-shirt that monitors the wearer's breathing rate in real time. According to the United Press International, this smart T-shirt has no wires, no electrodes or sensors connected to the body, but is detected by an antenna sewn to the chest of the shirt, and the antenna is coated with a layer of silver foil. The hollow fiber is composed. Younes Messaddeq, a professor at Laval University, pointed out in a press release that antennas have a dual function of sensing and transmitting signals generated by breathing movements that can be sent to a user's smartphone or nearby computer. When the user inhales, the T-shirt starts to work, and the smart fiber senses an increase in the amount of air in the chest and lungs. Messaddeq explains that these changes change the resonant frequency of some antennas, which is why T-shirts do not need to be in direct contact with the user's skin because each breath is oscillating enough to allow the fiber to sense the user's breathing rate. The outer layer of fiber covered on the antenna is an environmentally friendly polymer, and researchers have tested its durability by cleaning the shirt several times.
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