Category Archives: Underwater

submarines, oceanography

Good Examples of Underwater Pressure

Posted on 1-November-2014 by mathscinotes

I used to work on ships that were used to test undersea equipment. When we had visitors on the ship, we would put a Styrofoam cup on some of our test gear when lowered the equipment to our test depth. … Continue reading →

Posted in Underwater | 1 Comment

6000 Meter Depth Rating on Ocean Search Gear

Posted on 23-March-2014 by mathscinotes

Quote of the Day The sea is notoriously unforgiving, but it reserves its harshest penalties for those who venture beneath its surface. — U.S. Navy veteran A.J. Hill I have been watching the news coverage of the search for the … Continue reading →

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A World War 1 Mechanical Torpedo Fire Control Computer

Posted on 13-March-2013 by mathscinotes

I have discussed the basic calculations behind firing "straight-running" torpedoes in other posts (here, here, and here). Youtube has a couple of interesting videos showing a basic mechanical torpedo fire control computer from World War 1. It is a nice … Continue reading →

Posted in History of Science and Technology, Underwater | 1 Comment

Book Review:"Iron Men and Tin Fish"

Posted on 29-August-2012 by mathscinotes

I just finished reading the book "Iron Men and Tin Fish" by Anthony Newpower (ISBN 978-1-59114-623-0). It is a short book that does a really nice job of covering the use of torpedoes during World War 2. The author looks … Continue reading →

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Trigonometry, WWII Torpedoes, and a Museum Docent

Posted on 15-March-2011 by mathscinotes

Introduction I received a message a few weeks ago from a docent at an East Coast museum. He was using an article I wrote for the Wikipedia years ago to demonstrate an application of trigonometry to high school kids. In … Continue reading →

Posted in History of Science and Technology, Underwater | 8 Comments

Why No More Bathyscaphes?

Posted on 15-July-2010 by mathscinotes

Introduction Like many people, I have been watching BP try to cap the blown Deepwater Horizon oil well. While BP has had many issues, it has been very interesting watching the unmanned underwater vehicles (UUVs) do their job. When most … Continue reading →

Posted in Underwater | Tagged , , | 3 Comments