~1950 Fermi Paradox
1959
Cocconi and Morrison - interstellar radio communication is practical
1959-1961 First radio search - Project Ozma and Frank Drake
at NRAO
1960 Cosmic archaeology is born - Dyson
sphere
1961 Optical signaling with lasers is
practical
1962 Drake equation - a taxonomy for SETI
factors
1971-1981 Project Cyclops
1962 SETI Hacker
fiction by Hoyle and Elliot and later D. and
N. Carrigan (1970). But also through scientific dialog - Martin Ryle -
1976.
1964 Popularization of SETI search by
Walter Sullivan
1966 First Dyson sphere search - Sagan and
Walker
1967 Discovery of pulsars - Bell and Hewish
1974 Drake SETI transmission
1971 Hydroxyl water hole frequency proposed
by Bernard Oliver
1972 Burgess, Hoagland, Sagan Pioneer
plaques into space
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1973 The possibility of large - scale radio
SETI - Project Cyclops
1973 First optical SETI search -
Shvartsman, Wischnia
1974 Message sent from Arecibo
1979 SERENDIP started by Berkeley
1984
SETI Institute formed
1985 Large scale cosmic archaeology -
Kardashev civilizations
1992 Arecibo search starts
1992-1995 Extrasolar planet searches come of age
1993 NASA cancels SETI work
1995-2004 SETI Institute's Project Phoenix
1995 Harvard's beta all sky survey
1998 SETI@home starts
1999 Annis reports first observational
limit on Kardashev Type III civilizations
2001 SETI Institute Allen Telescope project
starts
2005 Several dishes in place at Allen
Telescope
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