Rebreathers Offer Diving Advantages – At a Price

modern diving marvels are not for everyone Closed-circuit rebreathers have become very popular with technical divers since they offer the possibility to do extreme dives without the imposition of carrying an enormous amount of gas. I was at the forefront of promoting this new way of diving as far back as 1993. In those days … Read more

Considerations of Oxygen in Diving Gas Mixtures

Oxygen is the most basic life support system our bodies employ, and yet also has the capacity to cause great harm.  Keller (1946) has called oxygen “The Princess of Gases.  She is beautiful but has to be handled with special care”.  We cannot live without it, but in prolonged breathing exposures or in deep depths … Read more

British War Graves

We live in a comparatively free society in the UK. We can park on double-yellow lines, smuggle in more than our Duty-Free allowance, smoke illicit material and even cheat on our Income Tax returns; that is until we get caught. During a summer in the early1980s I had a project in Yorkshire and, living just … Read more