We're entering the age of fully dynamic production lines. 3d printing's true strength here is not printing the object, but the molds.
Medical science, genetics specifically. We've come a long way, but this field is still like computing was in the 1940s.
We barely understand genetic expression as a whole process, eg how the entire genome is effected by modifications, and changes.
Yet when we do, the changes will be astounding. The end of most disease, the ability to use organisms to do our bidding, nanotech isn't going to be metal, but instead, bio.
We're about to set boots on Mars, in a decade we'll likely have permanent residency there. Our first new planet.
With that comes the potential to move industry to space, mining asteroids, power generation, and more.
There are endless, massive changes coming, we're merely in a period where they are all coming together.
The next 50 years will make the last 50 look glacial...