The legendary origins of the submarine stretch back to 332 BC with a tale about Alexander the Great being lowered into the sea in a glass barrel to study fish. The submarine concept was thereafter consigned to the backwaters of history for some 1,800 years. It reappears with the publication in 1578 of Inventions or Devises by William Bourne, an English gunner turned innkeeper and mathematician. In this work, Bourne describes the principle of making a boat sink and rise again by changing the volume of the ship. If you contract the volume of the ship, it will sink; if … Continue reading Submarine – The History of Submarine War