Eighteenyears earlier, twoCornellphysicists, PhilipMorrisonandGiuseppeCocconi, had tried to imaginehow an intelligentaliencivilization might try tosignalEarth.
It's been 50 years since PhilipMorrison and Guiseppe Cocconi published their seminal scientific paper on SETI in the journal Nature, and since Frank Drake first used the Tatel telescope in Green Bank, West Virginia, to attempt to detect any radio signals from technologies he thought could be orbiting the nearby stars of Tau Ceti and Epsilon Eridani.