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Many persons wonder why we do not have such men today. It is a mistake to think we cannot. What happened at the time of Leonardo and Galileo was that mathematics was so improved by the advent of the zero that not only was much more scientific shipbuilding made possible but also much more reliable navigation…
Trigonometry had to start with sea-people. It is the conclusion of British, German, and U.S.A. navies' experts that celestial—offshore—navigation be¬ gan with the South Pacific's island peoples. Much has been published on this subject. What is not as well pubHshed is the fact that the navigators on all those islands…
The Solar System is much vaster than the Earth, but the speeds of our spacecraft are, of course, much greater than the speeds of the sailing ships of the fifteenth and sixteenth centuries. The spacecraft trip from the Earth to the Moon is faster than was the galleon trip from Spain to the Canary Islands. The voyage…
What do we plant when we plant the tree? We plant the ship, which will cross the sea. We plant the mast to carry the sails; We plant the planks to withstand the gales— The keel, the keelson, and beam and knee; We plant the ship when we plant the tree. What do we plant when we plant the tree? We plant the houses for…
The divers of ancient times who carried oil in their mouths to release beneath the surface when rough water made their work difficult were applying what every seaman today knows--that oil appears to have a calming effect on the free waves of the open ocean. Instructions for the use of oil in emergencies at sea are…