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comment by dublinben
dublinben  ·  2219 days ago  ·  link  ·    ·  parent  ·  post: Project Major Khaaan: The [lost] Hubski Weather Balloon

Can you use renewable hydrogen for these balloons?




thenewgreen  ·  2219 days ago  ·  link  ·  

I'm not sure. b_b, you know?