What It Will Take For Humans to Be Self-Sustaining in Space

We take for granted that we live on a planet that is rich in life. With over 14 million identified species, the sheer biodiversity on Earth is outstanding. We depend on this diversity for food and resources, which in return allow us to flourish and thrive. However, this symbiotic relationship doesn’t necessarily exist for the rest of the universe. In The Beginning of Infinity, physicist David Deutsch invites readers to conduct the following thought experiment: imagine the universe was divided into cubes the size of our solar system. What would a typical cube look like?

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