Science fiction is the literature of our times, the fuel of our imaginations and the source of our favorite imaginary worlds. But what do we mean when we talk about "science fiction?" Here are some of the many definitions.
The best place in the United States to sit and feel the ghostly presence of early 20th century science fiction is probably Clifton's Cafeteria in Los Angeles, which was the epicentre of 1930s pulp scifi.
Science fiction doesn't just glimpse the future - it invents the scientific vocabulary of the present, according to an editor from the Oxford English Dictionary, who's listed nine scientific terms that came from science fiction.