In 1975 the entry level diving course that we taught was of four weeks duration and included two evening theory sessions per week with the Saturdays and Sundays given over to practical diving instruction. A standard part of the course… Read More ›
Buoyancy Control
The Little Shop of Horrors
Going diving is heaps more fun than monitoring the marketing pages of the business press, but if some diving operators hope to keep their heads above water then they may need to catch up on their reading. Obsessed with teaching… Read More ›
Deep thoughts
If Archimedes had been taking a shower instead of a bath then it might have been centuries before somebody else came along and defined the principles of buoyancy. It was a random thought that popped into my head while I… Read More ›
Missile Fins
Power When You Need It Most Most divers have found themselves in a situation requiring unusual reserves of energy. It may be when swimming into a current; positioning an anchor; assisting a distressed diver, or during a long surface swim… Read More ›
Weigh-2-Go: For the traveling diver
For those divers who, when traveling, prefer the convenience of using their own equipment, Zymurgy Inc., have developed a range of portable weights that won’t put your airline baggage allowance over the top. The brain-child of Zymurgy Inc.’s Junior Design… Read More ›
Knowing where you’re going: underwater navigation
A diver’s ability to know precisely where they are in relation to the shore or boat is fundamental to every good dive plan. The greater the diver’s proficiency in the techniques of underwater navigation the easier it becomes to know… Read More ›
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