Recent content by andybrooks

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    Very silly pics

    These guys are pretty slow too . . .
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    A question about the gym

    I think that what might be missed by the Galilean relativity model and by Steve Mould’s experiment is that the speed of the machine is likely to be variable. The human body places a load on the device which is likely a significant fraction of its maximum, and the machine’s response will not be...
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    Redhouse Lane Swallet Update

    This is great stuff, I really enjoy these reports and videos. Speaking of draughts, Trevor Ford's 1989 book "Limestones and Caves of Wales" describes Wye Rapids Cave (C3) as "several excavated sections for at least 200m, with a strong draught throughout . . . trending towards the area of...
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    Mama Says, Don't Cave

    The author's name sounds suspiciously like the well-known caver and author Roger Brucker.
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    CDG minimum age

    That sounds likely, thanks!
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    CDG minimum age

    Recently glancing at the BCRA online archives, I saw some papers concerning the relationship between CDG and ICDG, which included minutes of a 1964 CDG meeting. What got my attention was a note that CDG required a minimum age of 21 for diving members, for insurance reasons. My first cave dive...
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    How well do you know your caves?

    If Cave O is still unsolved, might I suggest Gautrie's Hole?
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    How well do you know your caves?

    Sidcot Swallet
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    Utter drivel?

    Sorry, that should be Nick Whaite.
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    Utter drivel?

    I believe that this is fictional content based around the Nick Thwaite incident. There is similar fiction out there based on the Mark Woodhouse incident at Keld Head. Both of these appear to have their origins in cavedivingaccident.com, which did not reply to my complaint about six months ago.
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    Deepest blue hole

    https://www.frontiersin.org/journals/marine-science/articles/10.3389/fmars.2024.1387235/full
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    Rule of thirds origin

    I always thought that the "Rule of Thirds" was developed by Sheck Exley. However, it seems that Bob Leakey might have a much earlier claim. In "The Caverns of Mossdale Scar", he wrote "I had practiced holding my breath for as long as I could counting up to 79, 80, 90 a hundred and so on. I used...
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    early female cavers

    Mike Boon's "A Spider's Thread of Shining Silver" contains a bit of information on Bob Leakey's female accomplices. One is identified as "Jean Martin, one of Bob's climbing companions". She was the first person to enter Near Marathon, eventually exiting "with her lower attire somewhat lacking".
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    early female cavers

    The Witch of Wookey might qualify as one of the earlier examples.
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    early female cavers

    Not quite before 1940, but I think those young ladies who accompanied Bob Leakey into Mossdale deserve mention.
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