Tag: SETI

SETI @ Home, revisited

Every day, I help search for extraterrestrial intelligence…or, at least, my computer does. It’s one of more than 4,287,000 computers worldwide called SETI@Home (SETI stands for Search for Extraterrestrial Intelligence) which constantly examine data collected by the huge Arecibo radio telescope in Puerto Rico for signals that could have come from extraterrestrial civilizations. Any signals …

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SETI @ Home

Alas for the good old days, when we thought the Earth was the center of the universe. Today we know our sun is only a very average star in a very average galaxy, in a universe where there are 50 billion galaxies, containing half a trillion stars each, around which, based on recent observations, planets …

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The search for extraterrestrial intelligence

This may shock some people, but the concept of life on other planets predates Steven Spielberg’s movie E.T. It also predates Kenneth Arnold’s coining of the term “flying saucer” in 1947 and even H. G. Wells’s late-19th-century novel War of the Worlds. Percival Lowell, in the mid-19th century, claimed to see canals on Mars. Immanuel …

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