Future rescue in water / Life-saving supplies

This is a new water-saving way in the future. When an accident occurs in the water, this kind of cloth can predict whether it’s at risk according to the heart rhythms. If it’s yes, then it can send a rescue signal. The certain equipment receives it and focus on the victims’ exactly location. After that, it spouts tracking particulates to find out the victims and then stick to the cloth, which makes the cloth swell up, to hold up the victims to the surface. This kind of new way is intelligent, speed and save a lot of manpower, material resources, financial resources.