In the Kardashev Scale, a Type II Civilization would build a Dyson Sphere around their star. A team of astronomers are searching for them.
  • Uriel238 [all pronouns]English
    1•5 months ago

    The next step is a launch loop, and even that will require materials with extreme tensile strength that we do not yet have.

    • threelonmusketeersEnglish
      2•4 months ago

      Rotating momentum transfer tethers (skyhooks) might be just within the capabilities of our current materials.