It has often been surmised that Science Fiction authors are the true innovators of science, and that their dreams are merely fulfilled by the desire, brains and money of the powerful. Jules Verne wrote about space travel and submarining long before any were possible. The countdown itself is an artifact a piece of fiction regarding the launch of extra-terrestrial vehicles*. If this is true, then the science fiction author of today scopes out the possibilities of tomorrow. Whether or not they get their facts straight as to the 'how', they show the possibilities.
A man who might not consider himself to be a science fiction author is Jeffrey Harrow of The Harrow Group. He has been writing about 'what-if' for many many years. Go to his web site and read his musings, because as we can see by recent events, even his imagination is being tamed into realistic science today. Take a look at this article about printing human organs on a modified ink-jet printer. This is real science following the musings that I have heard Jeff talk about in his column for years. While they have not exactly printed out a heart for your quadruple-bypass neighbor yet, this is exactly what they're studying this stuff for.
Jeff has been discussing both 3-d printers and biological merging of computing and science for a long time. His articles are on the cutting edge, thanks to his alert readers. If you don't read his website, you should start.