Depends upon your definition of Hypnosis, Mesmer came up with Animal Magnetism (origin of the word mesmerize) but cant really be called hypnosis. Erikson is deemed the father of modern hypnosis...
There is no such thing as a light saber. The ones used in Star Wars were wooden rods wrapped in tin foil. Later, the look and sound of "light sabers" are added by computer.
When England was newly industrialised there was a group called "Ludites" who went around smashing the industrial machines because the group said the machines threatened the work of the trades people...