contemporary human technology / strip-mining / forced strip-mining / interstellar travel / food web / detectable technology / machinery / us with very many systems / travel times / self-replicating machinery / interstellar transportation bandwidth / space-travel equation / solar systems / computerized machinery / century technology / habitable solar systems / energy / /
Movie
N / /
NaturalFeature
Kalahari Desert / Easter Island / /
OperatingSystem
Fermi / /
Organization
Extraterrestrial Intelligence / Interstellar Transportation Bandwidth Keith B. Wiley Univ. of Washington / /