Learning system Complementary information for scuba divers- thorough online courses and publications.

This website is useful for divers at any level. You may access to a library filled with scientific literature relevant for divers and online courses.

Talk to experts In-house courses


Contact-me for classes at the school.

Talk to experts Communicate with other divers

You can participate, ask questions and interact with other participants in the discussion panel of each course, article, post, etc.



Stories, reports, news and more…

The magic window of 1916

“Through these crystal plates constructed to withstand the pressure of the water at his great depth, we gaze on scenes which you might think God never intended us to see”

Michael Menduno

Michael Menduno: The Journalist within

Michael is a wild- Mustang. He has a resilient attitude and the curiosity of a child. Scientist and journalist never grew up in their curiosity 1, these kind of characters maintain ignited the flame in their eyes. When you talk to Michael, you can perceive it . Michael has an inquisitive mind, like to explore, […]

Mk29 CCR

MK29 rebreather

Recently I spoke with John Clarke, on our conversation he mentioned that the NAVY is working on a CCR that could be used with umbilical as a backup; so if you still pondering about it, below are public-videos explaining the concept

Carlos Lander

Happy New Year

Thank you for your support over these two year journey; as a one person enterprise it hasn’t been easy, between programing- writing – translations and researching for contents; I haven’t much time for good editing. Plus my regular life (all an adventure on its own), I have my hands full. Nonetheless I appreciate all of […]

John Clarke

John Clarke: Author, Scientist,…

John R. Clarke, Ph.D. (born November 20, 1945) is an American scientist, private pilot and author. He served as Scientific Director at the United States Navy Experimental Diving Unit (NEDU). Clarke is recognized as a leading authority on rebreather engineering. He has an extensive academic career in biological and physiological sciences.

Navy Air 79

End of an era II

Below you’ll find some pictures took by Doug Elsey that were commissioned by Cochran during the 2011 deep expedition and a few iconic advertisement form Cochran throughout time in Sport Diver Magazine.
Honouring Mike’s work.

Mike Cochran

End of an era, Cochran Undersea Technology is no more

NAVY and Mike:
One of the leader in dive industry has closed the door. It is sad moment, because much of the investigations, conversations and technologies that was furge during decades aren’t available anymore. As tribute I’m going to publish a series of articles that reflects decades of investigations and advancement and development.


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