Buoyancy Control

A Flawless Discussion

Back in the days when I gave a lot of thought to virginity, I always regarded it as a – hopefully – temporary condition somewhat similar to having the chicken pox or measles, an ailment that, if I was lucky,… Read More ›

The Shark Island Mine

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 ›

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 ›