The Navy Chief Petty Officer emblem is symbolized by a fouled anchor with the letters USN centered on the anchor. Officially the letters stand for United States Navy. 1  Unity: to symbolize camaraderie of the fraternity.  Service: to symbolize service to one's god, fellow man, and the Navy.
Galvani believed that the animal electricity came from the muscle in its pelvis. Volta, in opposition, reasoned that the animal electricity was a physical phenomenon caused by rubbing frog skin and not a metallic electricity.alvani actively investigated animal electricity until the end of his life. The Cisalpine Republic, a French client state founded in 1797 after the French occupation of Northern Italy, required every university professor to swear loyalty to the new authority.
Electrical charge is static electricity, or electricity that does not move. This discovery happened over 2,600 years ago around 600 BC. The Greeks did not know they had discovered static electricity, but they observed that rubbing fossilized tree resin, or amber, with animal fur made the resin attract dried grass. Fast forward to 2,200 years future. The year is close to 1600 AD.