Dowsing is an ancient art using rods or pendulums to detect energy fields and hidden things like water. Practiced for centuries across cultures, science calls it pseudoscience yet corporations still hire skilled dowsers for their uncanny success finding resources. Origins are obscure - Chinese tombs from 4000 years ago show dowsing. Europeans used sticks and metal rods in the Middle Ages. Early theories claimed supernatural effects but modern ones range from psychological factors to quantum enta