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I found this video interesting on several levels.

The Accident & Incidents forum has evolved for more than 20 years. We have decided that our member’s and reader’s best interest would be served by making the following changes: Forum Objective: Discuss incidents that are near, on, or under the water that divers can learn from. The main...

Seven four-stack World War I era destroyers ran aground on the evening of 8 September 1923 resulting in the US Navy' largest peacetime loss. Honda Point, or Point Pedernales, is north of Santa Barbara California off Point Arguello. Twenty-three sailors of Destroyer Squadron Eleven (DesRon 11)...

The latest version of Faceplate, The Official Newsletter for the Divers and Salvors of the United States Navy, is available for download: Faceplate Volume 27, No. 1 June 2023

I just received an email from Bernie Campoli that Bob Hollis passed away on 4 January 2023. https://www.divenewswire.com/industry-mourns-oceanic-founder-and-industry-icon-bob-hollis/ Bob was a mentor and friend.

Deep submersibles are fascinating to most divers, but they rarely get to look under the hood — or cowlings. This thread is an attempt at an overview without boring the vast majority of divers with details. Links are included for ScubaBoard readers that want to learn more. Hopefully other members...

This manual is notable because it is the first that documents US Navy standards for saturation diving and the first to use color. Document Name: US Navy Diving Manual, Volume 1 Air Diving, September 1973 Author: Navy Department, NAVSHIPS See the attached file: US Navy Diving Manual Vol1 Air...

Many of our forums have title prefixes flags available to help members tell what a thread is about at a glance. For example here are the prefixes available in many of our discussion forums. The question is would adding a "Help" prefix be useful to members? Don't forget to vote this suggestion...

I just found this video on YouTube that talks about research at the US Naval Experimental Diving Unit to find a solution to Oxygen toxicity for SEALs. The description of how ketones function is a bit outdated but the most interesting parts for divers is how hyperbaric oxygenation damages cancer...

This manual is notable because it is the first that documents US Navy standards for open circuit Scuba. Document Name: US Navy Diving Manual, Change 1, Revised 4 Parts, 1 June 1959 Author: Navy Department, NAVSHIPS See the attached file: US Navy Diving Manual 1959 OCR.pdf File Format: Adobe...

I must admit that I still call DPVs (Diver Propulsion Vehicle) scooters or tugs, probably thanks to Mike Nelson. This scooter was sold in small ads in the back of Skin Diver Magazine in the 1960s but I don't remember what they wanted for one. I don't recall calling the Farallon scooters...

Bret Gilliam's book, Diving Pioneers and Innovators, is available on the TDI-SDI Website: Online Table of Contents, Diving Pioneers and Innovators

Ping @Eric Sedletzky

I was at an industrial gas plant in Germany in the 1970s picking up some big cylinders of cal (calibration) gas and got a tour of the plant. I was able to watch them mix the gas and was surprised that they used a really big precision balance scale and mixed by weight instead of partial pressure...

I can't speak to the authenticity of the recipe which I will leave to the locals but I can say these are REALLY good.

I am are trying to get a sense of how many of our members are using touch screen interfaces like on tablets and smart phones instead of a device that uses a pointer like a mouse or touch pad. The reason is many new "mouseover" features are difficult to impossible to access on a touch screen...

Document Name: Flammability in Unusual Atmospheres Part 1 - Preliminary Studies of Materials in Hyperbaric Atmospheres Containing Oxygen, Nitrogen, and/or Helium Author: J. E. Johnson and F, J. Woods, Naval Research Laboratory See the attached file: Flammability in Unusual Atmospheres.pdf File...

This working shark cage is interesting.

Unusual and not recent, but interesting. Leopard seals encounters with divers is relatively rare but they can be quite aggressive.