Our science today started out a s metaphysical practice of the occult hundreds of years ago and is still in the process of evolution.

It is not only the real world of computers that makes use of jargon. At the end of a detective movie, usually the villain is caught, the red herrings explained, and the hero and heroine united. But for many the mystery may just be beginning. As the credits roll, some strange terms may appear on the screen. What is a gaffer? A best boy? A key grip?