How To Build A 10,000-Year Clock | Answers With Joe

answerswithjoe (66)in #tenthousandyearclock • 7 years ago

#steemstem #clockofthelongnow #stewartbrand #longtermthinking

7 years ago in #tenthousandyearclock by answerswithjoe (66)

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tts (-8)(1) 7 years ago

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