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NASA develops electroactive bandage

The National Aeronautics and Space Administration (NASA) developed a high-tech electroactive bandage. 
●    The bandage creates an electric charge to help promote the healing process of wounds.
●    Electroactive material is so sensitive that a push or even a blow on it can create an electric charge.
●    The fibres of the guaze are made of electroactive material Polyvinylidene Fluoride (PVDF).
●    The bandage is stimulated by the heat of the body and the pressure of cell growth. 
●    Therefore, no external power source is required in order for the bandage to promote wound healing.
●    The device uses electrical activity to facilitate the wound healing process while protecting the wound.
●    The bandage also minimises infection and related complications such as illness or amputation.