What’s All the Fuss about CO2 in Breathing Gas? 二月 28, 2018 The acceptable level of inspired carbon dioxide (CO2) in diving gear is a controversial topic. Some current standards1,2 permit up to 20 mBar (2 kP... 阅读详细内容
Technical Divers Searching for Superbug Killing Molecules 一月 25, 2018 Antimicrobial Peptides from Sea Urchins in the Twilight Zone of Bahía Banderas México Image by Juan D. Cortes The overuse of antibiotics in the ... 阅读详细内容
Personal Dive Computers... Thank God! 十二月 27, 2017 “Change is inevitable. Change is constant.” Benjamin Disraeli — 19th Century British Statesman There’s a vintage TV comedy sketch by Monty Python... 阅读详细内容
To Err is Human... 十一月 27, 2017 So how can we improve diving safety? Gareth Lock is a man on a mission. The 46-year old British technical diver, and retired Royal Air Force senio... 阅读详细内容
Hyperoxic Myopia: Information for Divers 十月 19, 2017 Exposure to excessive oxygen can impair distance vision. This phenomenon, called hyperoxic myopia, is a form of oxygen toxicity that affects the ... 阅读详细内容
Planning Advanced Dives: Choosing the Instructor 九月 12, 2017 Socrates is widely regarded as one of the individuals that shaped the world. It is believed by some that its history would be profoundly different... 阅读详细内容
The CO2 Scrubber in a Diver’s Rebreather 六月 26, 2017 How long a CO2 scrubber lasts during a dive depends on many factors. I will mention some of the ways that CO2 can be removed from the breathing gas. I will also discuss ways to measure how long a scrubber will last (called the endurance time) and some of the factors that change it, but first will discuss why it is necessary at all. 阅读详细内容
Why UPTD Calculations Should Not Be Used 五月 29, 2017 Just over 45 years ago, in 1970, researchers at the University of Pennsylvania used the best information available at the time to derive a model fo... 阅读详细内容
Oxygen Seizures at PO2 ≤ 1.6 Bar: How Rare? 三月 27, 2017 Learn about the signs and symptoms of central nervous system (CNS) oxygen toxicity and the likelihood of oxygen seizures. 阅读详细内容