Dive industry pro Bret Gilliam offers the historical perspective The first research work in decompression physiology was not directed at scuba divers. Records from 1841 show that construction workers working at elevated pressures in either caissons (water-tight boxes inside which workers did construction underwater) or construction tunnels beneath rivers …

Recently the diving industry lost Dr. R.W. ‘Bill’ Hamilton (1930-2011), whose intellect, compassion and love of life, will not soon be forgotten. Text by Joel Silverstein   Rarely in life do we encounter someone who was as impressive yet unassuming, humble, and gracious as R.W. ‘Bill’ Hamilton, Ph.D. On …

Reserves are going down, which may mean prices go up? And how might that affect the future of mixed gas technical diving? The answer is up in the air. Text by Jeremy Heywood and Lee Newman   The future of mixed gas technical diving may be uncertain due to …