An invention is a new composition, device, or process. An invention may be derived from a pre-existing model or idea, or it could be independently conceived.............blah blah blah who cares.

I have no faith in human perfectability. I think that human exertion will have no appreciable effect upon humanity. Man is now only more active - not more happy - nor more wise, than he was 6000 years ago. Edgar Allan Poe