I was born in the 1980s. I remember growing up, I always had the impression that by this time in the 21st century, we'd have figured out some way to break the established laws of physics. Maybe it was because of watching so much sci-fi, but I feel like I'm not alone in this. The media seemed to reflect the same line of thinking. "Back to the Future 2" with its hoverboards and flying cars is now set several years in the past.
Be it anti-gravity, interstellar travel, teleportation, whatever, I always kind of assumed that by now, we'd at least have a working theory of how we might implement it in the next few decades. I think a lot of that has to do with the start of the "information age." Computers and the way they could connect us were so revolutionary, it seemed like "magic" to the layperson. More "magic" would only be a few years away, right? If we could fit all this power into a box that sits on your desk, then it wasn't beyond the scope of reason to think that anything was possible; it'd just take a few more years for us to figure it out, then we'd be planning the first NASA mission to another solar system.
What I never would have predicted is just how rapidly computer technology would advance. We now have supercomputers in our pockets, powered by CPUs that are well into the realm of nanotechnology and are now starting to run into limitations imposed by quantum physics. As a technological society, we've probably progressed farther than I would have ever imagined, just not in the way I expected.