Mercury in retrograde

As I mentioned in my introduction, this week I was interviewed about superstitions on the RNZ Nights programme. You can listen to the item here.

As I mentioned in my introduction, this week I was interviewed about superstitions on the RNZ Nights programme. You can listen to the item here.
In one of our Facebook groups this week there was a recent discussion started by Donald Pettitt about his visit to a “crystal healer” to help with issues he's been having with his balance:
Next time you visit the US don't miss the Museum of Unworkable Devices, the brainchild of physics Professor Donald Simanek from the University of Pennsylvania.
Dowsing, the art of searching for water or minerals using a hand-held pendulum, may really work, according to an Australian engineer. Frank Irons of the University of New South Wales has analysed the chaotic swings of dowsing pendulums. His analysis shows that diviners might be able to detect ore deposits by the variations in the force of gravity they produce (European Journal of Physics, vol 11, p 107).