What It Will Take to Become an Interstellar Civilization

The new movie “Interstellar” is set in a not-so-distant future, but distant enough that they’ve managed to build something still elusive in 2014: a spaceship that can travel between solar systems. Such starships have been a technological mainstay in science fiction for decades, but they remain a crazily complicated proposition in everything from propulsion to human reproduction.

Still, that hasn’t stopped researchers from trying. Last month, a bunch of rocket scientists, microbiologists a

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