Buoyancy Control

The Wonders of Salvage

Periodically, I make the decision to sell off all of the diving-related books, manuals and documents that I’ve acquired over many years.  It’s a ritual that involves taking them down from the book-shelf, blowing off the dust and then  taking… Read More ›

Sum Teamwork

Anyone who has ever struggled to descend – or fought to stay afloat – while diving will recall the story of Archimedes discovering some fundamental facts about flotation while splashing around in his bath-tub.  As with other Laws of Physics… Read More ›

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 ›