Common Sleep Paralysis Causes: The Common Sleep Paralysis for most people, happens, during R.E.M. state, when the body releases hormones that paralyze the body to keep it from acting out dreams, thereby reducing any chances of physical harm during sleep.
Hybrid material. Hybrid materials are composites consisting of two constituents at the nanometer or molecular level. Commonly one of these compounds is inorganic and the other one organic in nature. Thus, they differ from traditional composites where the constituents are at the macroscopic (micrometer to millimeter) level.
: a material that is made from a chemical process and that is used for making many different products including fabrics. : any of a group of polymers that consist basically of repeated units of an ester and are used especially in making fibers or plastics; also: a product (as a fiber or fabric) composed of polyester.ull Definition of POLYESTER. : any of a group of polymers that consist basically of repeated units of an ester and are used especially in making fibers or plastics; also: a product (as a fiber or fabric) composed of polyester.