According to reports, a team of scientists from the University of Waterloo in Canada has developed a new sensor prototype based on a small flexible cylinder driven by electromagnetic and frictional forces. The latter design generates current by friction of a particular type of material, and the sensor contains two such materials.
Regardless of how the bracket is installed, as long as the sensor is bent or twisted, it generates enough power to support the transmission of wireless signals.
These signals can be picked up by computers, smart phones, smart watches, etc., and then analyzed to determine the patient's range of motion and other improvement indicators.
Later, the remote doctor or physiotherapist can access the information by ignoring it without the patient frequently going to the clinic to review.
It is worth mentioning that this sensor can also be installed inside the tire of a self-driving car, enabling the vehicle to cope with changing road conditions.
According to the engineering Ph.D. student Hassan Askari, based on the interaction between the road and the tires, we can actually detect the road conditions such as snow and rain. This is very important information for autonomous driving.
Currently, the prototype sensor has a length and width of about 6 x 1 cm (2.4 x 0.4 inches), but scientists are working hard to miniaturize it.
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