Historical Perspectives on Dive Tables and Decompression Models

“The reliability of a decompression table or procedure is not determined by any mathematical process, but by what works in practice. What works…is what works!” —  John Crea III “Any passive decompression device can only inform the diver of his or her decompression status. How that information is used is the responsibility of the diver.” — … Read more

Is there a disconnect between DAN’s Mission/Vision Statements and the content of Alert Diver magazine?

The new quarterly Alert Diver, published by Stephen Frink and company, unarguably is a handsome magazine that makes its prior incarnation appear a bit of an ugly stepsister. Then again, it now appears to have a lot more money to play with. But, is it straying from DAN’s stated raison d’être? The DAN Mission/Vision Statements … Read more

Demystifying Recompression Chambers

Many divers have seen a chamber either in photographs or in real life, but very few have ever had occasion to be in one unless they were being treated.  As a result a certain “mystique” has developed about chambers and many divers regard them as hostile and menacing environments.  Briefly, we would like to acquaint … Read more