A snapshot of my childhood. We got to watch this in elementary school.
A few years later there was talk of using a few hundred nuclear bombs to dig a new shipping canal across Honduras. It was known as the Plowshare project.
And then there was Project Orion.
For more on the Orion Project see: http://en.wikipedia.org/wiki/Project_Orion_(nuclear_propulsion)
Be Seeing you.