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| Personal background |
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I was born in Monte Mario, Rome, in 1955 and I received my education attending both private and public schools in Torino. I obtained a Doctora1 degree in Astrophysics at Torino University in the academic year of 1979-1980 with a thesis on neutrinos emitted by gravitational collapses of stars. Moreover, in 1982, I accepted the invitation to attend Cosmic Rays Physics School of the Internationa1 Center 'Ettore Majorana' of Erice, Trapani, Italy.
Throughout my scientific career I worked with the Neutrino Astronomy Group of Torino University, as well as in the sector of astrophysical research at CERN in 1980, and at Monte Bianco laboratories until 1985. For twelve years, between 1983-1995, I was a Professor of Statistics and Mathematics at the 'Luigi Galvani' Institute of Torino. In addition, from 1987 to 1993, I was the Director of the “Laboratorio Ricerche e Studi per la Didattica†of the same institute. From 1994 to 1995, I was a Professor of Mechanics and Thermodynamics at Torino University in the courses required for obtaining a degree in chemistry. Since 1995, I teach Physics and Mathematics in public Italian High Schools. In 2001 I accepted an invitation to found the Space Science Department of SpaceLand -C.O.S.M.O. Society of which I am Scientific Director.
I am also an active member of the Italian Physical Society (“Societa’ Italiana di Fisicaâ€, SIF) and of the New York Academy of Science (NYAS).
Over the years I published several articles on physics, education and politics of science.
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| Thoughts about SETI and SETI@home |
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Many considerations lead me to believe that intelligent life is diffuse in the universe. First I consider that the human life is due to hold giant stars that have ended your energetic cycle before the born of the solar system. In this way, heavy elements as Carbon, Oxygen and Nitrogen and other fundamental elements for life can have synthesized during the high-energy fusion processes (cycle CNO).
To consider the probability to detect extraterrestrial signals we may do some hypothesis on the origin of the universe answering at two questions:
(a)9what is the real model of the universe?
(b)9where and when have other stellar like - Solar systems produced?
If our universe is flat, we may assume that matter is unifomly diffuse, so the first generation of very massive stars could be considered uniformly distributed in space. In this case if other like-Solar systems are produced in the same era of our Solar system, life could have a uniform spatial distribution inside of the galaxies. The lower limit of probability of to detect one other form of intelligent life could estimate as
PEI = 1 - Vs/Vg
where PEI (probability of extraterrestrial intelligence) is greater or equal than one minus the ratio between the volumes of the galactic space without verified extraterrestrial contacts (Vs) and that one of our galaxy (Vg).
In that case only after 60,000 years we may hope to contact signs of extraterrestrial intelligence living now in the same our cosmic time. Vice versa if the extraterrestrial life has take origin in different cosmic eras, i.e. if the universe do not have take origin everywhere at the same time, we could hope now to detect a signal emitted by our neighbours. I hope that SETI and SETI@home project can prove that intelligent life, hence matter in the universe, have not take origin at the same time, i.e. that not exist an unique origin for the Big Bang from which the matter of the actual universe is been originated.
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