From June into July of 2018, media coverage about 12 boys and an adult man trapped in a cave in Thailand transfixed people around the world. How did they get trapped and not be able to get out? Let’s talk groundwater and karst.
Dowsing (water divining or water witching) doesn’t work any better than chance or through use of surface clues. So why does it still spark heated arguments and create once-skeptical converts even today? Does it still have a place in modern well drilling?