navagation
Prince Henry used a scientific way of determining the ships sailing, direction, and the location.
Marine navigation.
Imaginary lines on the globe, such as the equator and meridians of longitude, help ships navigate by providing reference points for determining direction and location. These lines help sailors plot courses, calculate distances, and establish time zones, contributing to safe and efficient navigation at sea.
stability
Many ships can move in any direction including backwards
Primarily, radar is used in all aspects as a ranging device. It is extremely accurate in determining distances in navigation systems, fire control systems and tracking devices used on aircraft, ships, and missles. The specific military uses are tracking ships and aircraft and fire control systems for missles, ships and aircraft. They even use systems for conter battery, literally tracking an artillery shell and determining the location of the firing weapon.
sailing
navigaton
Navigational instruments aid in determining the speed, position and direction of a sea craft. Examples of these devices are chip logs, parallel rules, sounding lines, dividers and nautical almanacs.
north
It has to do with controlling ships and maritime studies
Things nautical. The sea and ships.