X @Nick Szabo

RT Nick Szabo (@NickSzabo4)If aliens existed we could readily see copious surface engineering in galaxies: "The germs of existence [on] earth if they could freely develop themselves would fill millions of worlds in the course of a few thousand years"(Malthus)https://t.co/gvD4HsZqQ7https://t.co/i6tHV3lKGa ...