Neuronal signaling. To support the general function of the nervous system, neurons have evolved unique capabilities for intracellular signaling (communication within the cell) and intercellular signaling (communication between cells).
Because of this, gyroscopes are useful for measuring or maintaining orientation. Invention History. The gyroscope was invented in 1852 by the French experimental physicist Leon Foucault (1819-1868) as part of a two-pronged investigation of the rotation of the earth.
In 1923 the Scotsman John Logie Baird began developing a system by which television would be made possible. Baird wasn't the only one developing this new system at that time; indeed, Earl Ferdinand Braun had invented the first commercial cathode ray tube as early as 1897.