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.
1929 - the kinescope cathode ray tube was invented by Vladimir Kosma Zworykin. It formed some of the first television systems. 1931 - Allen B. Du Mont invented the first reproducible CRT used on television sets. Cathode Rays improved monumentally with the Discovery of the Electron.