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Thread: Solar sails, etc.

  1. #61
    Join Date
    Sep 2004
    Posts
    4,912
    Do good work. —Virgil Ivan "Gus" Grissom

  2. #62
    Join Date
    Sep 2004
    Posts
    4,912
    One-atom-thick lightsails from carbon, produced by the ESA.

    https://scitechdaily.com/one-atom-th...-star-systems/
    Do good work. —Virgil Ivan "Gus" Grissom

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