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It is an art because of the skill that the navigator must have to avoid the dangers of navigation, and it is a science because it is based on physical, mathematical, oceanographic, cartographic, astronomical, and other knowledge. Marine navigation can be surface or submarine.
In the European medieval period, navigation was considered part of the set of seven mechanical arts, none of which were used for long voyages across open ocean. Polynesian navigation is probably the earliest form of open-ocean navigation; it was based on memory and observation recorded on scientific instruments like the Marshall Islands Stick Charts of Ocean Swells.
Geography is subject to the laws of physics, and in studying things that occur in space, time must be considered. Time in geography is more than just the historical record of events that occurred at various discrete coordinates; but also includes modeling the dynamic movement of people, organisms, and things through space. [9]
In his notes on Ptolemy's geography, Johannes Werner of Nuremberg wrote in 1514 that the cross-staff was a very ancient instrument, but was only beginning to be used on ships. [ 36 ] Prior to 1577, no method of judging the ship's speed was mentioned that was more advanced than observing the size of the vessel's bow wave or the passage of sea ...
Maritime history dates back thousands of years. In ancient maritime history, [1] evidence of maritime trade between civilizations dates back at least two millennia. [2] The first prehistoric boats are presumed to have been dugout canoes which were developed independently by various Stone Age populations.
Toggle Geography subsection. 3.1 Climate. 4 Demographics. ... (offering grade 10 through grade 12 programming) [47] ... boat launch and a powered section.
Replacing a portion of carbohydrates with protein and fat may help improve cholesterol levels in people with type 2 diabetes, a new study indicates.
The Isthmus with the Canal of Corinth close to where the diolkos ran. Strategic position of the Isthmus of Corinth between two seas. The Diolkos (Δίολκος, from the Greek dia διά, "across", and holkos ὁλκός, "portage machine" [1]) was a paved trackway near Corinth in Ancient Greece which enabled boats to be moved overland across the Isthmus of Corinth.