Here is a comment on an early post that visitors to our site would almost certainly overlook.
My Irish friend resisted my exhortations to get on with our dowsing test, which would have been carefully controlled for telepathic communication. "Next summer," he says, pleading a lack of time. We both look forward to the test in a spirit of fun. I'll let you know the outcome, if and when it happens.
Meanwhile, if Fred or anyone else can direct me to a double-blind experiment that confirms the effectiveness of dowsing, I would be grateful. Certainly, no such evidence was offered in Gribbin's article.