In the 19 seventies, he was able to develop some ideas that he had while teaching physics and engineering classes. He wanted to sort of rejuvenate and rehabilitate the reputation that physics had for providing the good. So one of the projects that he says came out of his class was to build these giant, free floating, spinning cities in orbit for a first ousands,. but eventually millions of people. That started to attract the attention of people in space science generally, and people in the counter culture too.

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