Kim Stanley Robinson talks to John Thornhill about Mars, Musk, and Nasa. He explains why he ate a piece of Mars, and how space tourism is like bungee jumping.

Watch the full FT Feature "The billionaire space race" here:
https://youtu.be/_NZLzXOLnBg

Full interview with ex-NASA Admin Charles Bolden:
https://youtu.be/JfZ14BfCCjk

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