This is not a myth, but History recording real facts that happened. Anyone can imagine a "flying car" or a "nuclear fusion reactor". It is a completely differe

This is not a myth, but History recording real facts that happened. Anyone can imagine a "flying car" or a "nuclear fusion reactor". It is a completely different thing having and putting the resources to work: the people, the effort, the money and the time to make something real. Someone just "having an idea" only works in science fiction, and even there you need to do the work of writing the book, or drawing the comic.