These types of questions have become well-known with developments such as the atomic bomb and cloning. Science fiction, in general, is usually thought of as alien encounter, robots,and machines. This type of work is often seen, yet overgeneralized as a whole. However, this tuype of futuristic life portrayed in a story stems from the positive outlook on more and more scientific advancement. This could become a reality, seeing how we have artificial arms and legs.
Technology changes all morals and our way of thinking.
It was not until the 1990s that organ transplants became regularly practiced. A science fiction story tells an idea about what the future will hold for people. Some authors have a positive outlook, while others do not see a very happy life for us. Either way, the main focus in all of the stories is scientific and technological advances.