Today is the day that Michael J. Fox's iconic character Marty McFly landed in a future that Hollywood imagined almost 30 years ago in Back to the Future II. It turns out that many of the amazing things McFly saw in the movie have indeed come to pass--from 3D video to wearable technology.
But in celebrating our technological advancements, it is important to remember that none of these innovations happened by chance. They are the product of an enormous amount of investment in research and development--much of it seeded by the federal government. Here are three prime examples:
Image: http://www.huffingtonpost.com
