HSE issues cylinder safety warning
The Diving Inspectorate has just issued this safety alert concerning cylinders manufactured from aluminium alloys HE30/AA6082 and AA6351 and used primarily for gases for underwater breathing apparatus.
Preconditioning for Safer Scuba Diving
This column is adapted from a chapter in my book, Scuba Physiological – Think you know all about Scuba Medicine? Think Again! The chapters in this book were originally written by scientists in the field of decompression research as part of a three-year project called PHYPODE (Physiology of Decompression). My (self-appointed) task was to rewrite their sometimes-complex research in a form accessible to all divers.
North Carolina: Wrecks & Sharks
Images
Larry Cohen & Olga Torrey
Sand tiger shark on wreck of the Atlas. Image by Olga Torrey
The waters off the coast of the US state of North Carolina are treacherous. Bad weather, rough seas, heavy current and inlets that are difficult to navigate are common. So why do underwater explorers consider this area to be a world-class dive destination? Because when you do get offshore, it is extraordinary.
WW2 aircraft carrier USS Lexington wreck located
The USS Lexington was scuttled about 800 kilometres (500 miles) miles off the eastern coast of Australia in May 1942 after sustaining serious damage from Japanese aircraft. A series of secondary explosions after the Japanese attack sealed the ship's fate and one of her own escorting destroyers was ordered to finish off the crippled carrier.