If we cannot find aliens in the stars, we might create alien intelligences on Earth. If we cannot find aliens in the stars, we might create alien intelligences on Earth. Humanity has often looked outward beyond the tribe with a combination of sociability and paranoia for mates or insights or the next potential threat. Now we scan the skies for extraterrestrial intelligences, but so far all we have run across is a Great Silence, also known as the Fermi Paradox — the quandary that asks where all the alien civilizations are.If we lack extraterrestrials to contact, humans might look closer to home, Brin suggests. "If we want others to talk to, hey, let’s make them," he speculates.