Could human civilization spread across the whole galaxy? - Roey Tzezana

source: TED-Ed    2016年9月29日
View full lesson: http://ed.ted.com/lessons/could-human...
Could human civilization eventually spread across the whole Milky Way galaxy? Could we move beyond our small, blue planet to establish colonies in the multitude of star systems out there? These questions are pretty daunting, but their (theoretical) answers were actually put forth decades ago. Roey Tzezana describes the conceptual von Neumann machine.
Lesson by Roey Tzezana, animation by Eoin Duffy.

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