Is anyone out there? For over 40 years scientists have been searching for extraterrestrial intelligence, but they've found nothing. Now the new Allen Telescope Array, a string of 350 radio telescopes, is being built 300 miles north of San Francisco and is breathing new life into the search.
Is anyone out there? For over 40 years scientists have been searching for extraterrestrial intelligence, but they've found nothing. Now the new Allen Telescope Array, a string of 350 radio telescopes, is being built 300 miles north of San Francisco and is breathing new life into the search.