In 1896, Nikola Tesla suggested that an extreme version of his wireless electrical transmission system could be used to contact beings on Mars. There have been many earlier searches for extraterrestrial intelligence within the Solar System. In 2015, Stephen Hawking and Israeli billionaire Yuri Milner announced the Breakthrough Listen Project, a $100 million 10-year attempt to detect signals from nearby stars. Scientific investigation began shortly after the advent of radio in the early 1900s, and focused international efforts have been ongoing since the 1980s. Urn:oclc:153878038 Republisher_date 20120921185250 Republisher_operator Scandate 20120919171858 Scanner search for extraterrestrial intelligence ( SETI) is a collective term for scientific searches for intelligent extraterrestrial life, for example, monitoring electromagnetic radiation for signs of transmissions from civilizations on other planets. Access-restricted-item true Addeddate 16:04:57 Boxid IA157801 Camera Canon EOS 5D Mark II City New York Donorįriendsofthesanfranciscopubliclibrary Edition 1st ed.
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