The phrase: fiction reveals truths that reality obscures is so right that we only have to take a look at our history to realize many people using their pure imagination predicted things that are now a REALITY.
How many people were called crazy and lunatic centuries ago when someone dared to say that one day man would have the ability to build things that can fly? These people were turned down simply because they couldn't come up with a tangible evidence that supported their beliefs and ideas.
We always need to keep in mind that if we don't possess the knowledge or technology to accomplish what is considered impossible at the time, it doesn't mean it cannot be possible.