Category: Health and Safety

A Practical Discussion of Nitrogen Narcosis

A HISTORICAL PERSPECTIVE There have been numerous articles written on the subjects of inert gas narcosis and attendant depth limitations. Many have re-hashed old formulas relating the preposterous “Martini’s Law” etc. and sanctimonious admonitions against any sport diving below 130…

Chest Pain in Older Diver

My mother always insisted that we children waited an hour before swimming after eating in case we got the cramp. As a diver, I often ate a hearty meal immediately before diving without, I believed, ill effect. Cramp, though uncomfortable,…

Technical Diving

At DEMA one year, I met an elderly Frenchman based in Bonaire who exhibited paintings of all manner of wrecks that lay there. When questioned about them, it seemed that most lay well beyond one-hundred feet deep. When I asked…