Stephen Hawking revises his deadline for humans escaping Earth — it’s now just 100 years

Darn.

[PHOTOS] How NASA imagined in the 1970s space stations would like in the future

In a time when a thing called the space race was in full swing, technological advance and cocky egos made a lot of people, mostly scientists, get disillusioned with visions of grander for the future.  In the 1970’s Princeton physicist Gerard O’Neill with the help of NASA’s Ames Research Center and Stanford University showed that we can build giant orbiting spaceships and