X-Ray Mag #18
Features in this issue
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Becoming a Coast Guard Diver
ImagesNyxoLyno CangemiThe surface of the 12-foot pool bubbles like a hot tub while instructors below signal to a group of dive students using a series of hand signals on how to inflate their vest.
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Flash Photography
Getting an underwater camera is really only half the solution. Without a proper light source the possibilities will be very limited. Having one or more strobes are essential, but how to chose the right unit?
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Fontaine de Vaucluse - Treasure Cave
ImagesAndrey Bizyukin,Alexander Andrianov,Etienne ChampelovieThis amazing tale begins with the selection of a group of divers who were asked to participate in a technically complex dive expedition to explore one of the deepest caves in Europe. Soon enough, we, the divers, found ourselves in a frenzy of activity and planning.
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Freediving with Tiger sharks
Just their name, their size, and their menacing looks can evoke feelings of terror, fear and instinctive rejection. However, if you have the privilege to be able to dive with big tiger sharks, as I have, you might fall in love with them, at least you will bond with them in a mysterious way.
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In search of the Great White Shark
The boat’s four occupants were spear fishing for Yellowtail. As Mark began to ask the skipper questions, one of the spear fisherman suddenly appeared to be walking on the water shouting “White, White! Get me out of the water now!”
Mark nonchalantly looked at us and said, “Well, we have found them boys. Let’s go diving!!”
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Jason Taylor
ImagesJason Taylor
The Lost Correspondent, depth 7m, dimensions 140 x 43 cm.Not all artificial reefs are shipwrecks or scuttled vessels, tanks or planes. Now divers can enjoy artificial reefs growing on original sculptures mounted underwater. Jason Taylor, a sculptor from England, recently finished a photo-documentation of his underwater sculpture project in Grenada. X-RAY MAG caught up with Taylor to find out how and why he did it.
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Manta Ray Ecology
If you ask a group of people what is a manta, nine out of ten will think of stingrays or those large things that swim in the rivers of Florida. Even through the manta ray is the largest winged creature on the planet and has a wingspan wider than a condor, few people even know they exist. The width of a manta ray can exceed 22 feet. They are part of the shark family but hold no danger to humans as they eat only tiny zooplankton.
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Noise
Aquatic animals, like their land-based relatives, can communicate in a number of ways. For example, in one form of communication, organisms can emit and detect certain organic molecules which can function as the pheromones of land based creatures. This is a sexual communication.
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Safer Solo Diving on a rebreather
Bubble checkDiscussions about diving are very often boring—always the same stories about numerous sharks dangerously close, strong current ripping a mask off or friendly dolphins playing during a deco stop. We heard them so many times.
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Socorro
ImagesBarb RoyLocated 386km (250 miles) southwest of the tip of Baja California and over 720km (446 miles) west of Manzanillo, the Revillagigedos are one of three Mexican island groups in the Pacific Ocean. All four islands that make up the Revillagigedos Archipelago are remote, volcanic in origin and offer some of the most unpredictable, wild diving in the world.
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