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These were only safe after one of those billionaires actually proved it. Before SpaceX and Tesla, both these things were considered untenable.

• tonyedgecombe 5y ago
  I suspect the Nissan Leaf would have happened with or without Tesla.
• cma 5y ago
  Blue Origin predates SpaceX.
  • deleted 5y ago
    [deleted]
  • awestroke 5y ago
    And still has not reached orbit
    • cma 5y ago
      > were considered untenable. The billionaire space race starts before SpaceX, largely from/around the Ansari X Prize (Bezos, Paul Allen).