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people have longed relied on ciphers to share secrets in a safe and private way.
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Page three of the Rabbit Waves comic, in which Arkady and Hazy raft their boats, Natsya and Teapot, together and exchange keywords for a future project over warm drinks.
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At night, vessels indicate their status to other mariners by way of lights, the color and position of each light communicates different information.
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Some comic pages I completed.
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By memorizing the rising and setting positions of many stars sailors can find out where they are in the world.
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A bosun's whistle (or boatswain's call) is used on naval ships to pass commands to the crew.
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Learn everything you can about first-aid.
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Triangular bandages are used to make slings and to make broad bandages to keep splints in place.
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An emergency bag, ditch bag(specific to boats), or "go-bag", contains emergency supplies for when it is necessary to leave the home/vessel in a hurry in the event of a disaster.
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Ground to air signals When one needs to communicate with an aircraft from the ground, it is easier to draw one symbol than to spell out an entire sentence.
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Morse Signaling by Hand Flags or Arms Allow for enough time between dots and dashes, and between letters, groups or words.
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The International Morse Code is a way to communicate that consists of short and long sounds that penetrate interference with greater quality than spoken words.
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Day Shapes are signals raised during daylight hours to indicate their status to other vessels.
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Flag semaphore is a way of communicating at a distance by using hand flags.
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The International Code of Signals is a system of signals and codes designed to communicate important safety and navigational messages when speaking is difficult (because of language barriers, distance, etc).