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...powering [[weapon]]s to [[propulsion]] and generation of [[Electric power|electricity]]. ...drate]]s, [[fat]]s, and [[protein]]s, derived from food, are the fuels for biological systems. For instance, glucose (a simple carbohydrate) combines with oxygen

...a signal). The unit of time measured is the natural interval required for electricity to be converted into mechanical energy and back again. ...ral mineral componet of bone, has been made synthetically from a number of biological and chemical sources and can be formed into ceramic materials. Orthopedic i

...In more recent history, [[Luigi Galvani]], the discoverer of [[biological electricity]], and [[Guglielmo Marconi]], the pioneer of radio technology, also worked