it only just came to me that I really should give sources for the borrowed illustrative images: - half way thtrough chapet 8! (I will go back and fill in the earlier sources)

chapter 8: ...

dowsing rods 01
http://www.ebay.com/itm/NEW-Mini-COPPER-Ghost-Hunting-Hunter-Detection-Detector-Paranormal-DOWSING-RODS-/300612548382

dowsing rods 02
http://www.getghostgear.com/ghost-hunting/dowsing-rods.html

Tanz-neuroscience-building
http://technainstitute.com/2012/06/19/invitation-to-techna-rounds-dr-paula-foster/

Earth Science Building
http://www.thecanadianencyclopedia.ca/en/article/abel-joseph-diamond/