If you have yet to see Stephen Hawking's interview on Last Week Tonight, take a pause and treat yourself:
This guy is hilarious, plain and simple. One thing that made me sit forward in my seat was his description of imaginary time--and how science fiction writers have not tackled it because we do not understand it.
So of course, now I must pen a short story dedicated to this fascinating new (to me) subject, very very soon! As soon as I've wrapped my head around it, of course.