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Is SETI Searching for the Wrong Things?







Is SETI Searching for the Wrong Things?

Is SETI Searching for the Wrong Things? 06/17/2005 07:11 PM

An interesting new paper by Milan M. ?irkovi? and Robert J. Bradbury suggests the problem with SETI is that it's searching for the wrong thing. The paper is titled Galactic Gradients, Postbiological Evolution and the Apparent Failure of SETI (PDF format). The authors note that everything we've learned in the last few years makes Fermi's Paradox more distrubing than ever. Common explanations for the lack of ET is that Earth is unique in some way or that all intelligent civilizations self-destruct relatively quickly. This paper propose something else. We've been looking for biological intelligence. The authors believe it may be normal for any intelligent race to evolve into non-biological, information-based life forms. The authors draw on a wide range of sources to theorize about what an advanced technological race that had evolved into machines might look like. For example, machines would likely want to locate in the coldest regions of space to achieve maximum thermal efficiency. The authors note that these ideas were initially explored by SF writers.




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Is SETI Searching for the Wrong Things?

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SETI still searching for ET 09/02/2004 01:58 PM
News earlier this week that The Search for Extraterrestrial Intelligence group, SETI, had found a signal from ET appears to have been over blown. Described by SETI's chief Scientist, Dr Wertheimer, as "hype and noise", he went on to say that it was "nothing that is unusual. It's all out of proportion."

SETI takes data from it's Arecibo Aerial Telescope and distributes it to its thousands of users world wide for analysis. The chunk that set off last Thursday's media frenzy is called SHGb02+14a and was found by computers running the SETI program in Germany and the US. In its 6 years of operation, SETI have found 150 chunks that are potentially signals from ET; these 150 are found by statistical techniques performed on the data, which ascertains the likelihood of it being legitimate. Of the 150, so far 0 have been real.

SETI commented that "With Seti@home having analysed some 50 trillion frequency bands, it is not surprising that a signal like this occurs purely due to chance." Looks like we'll see a 40th edition of ET before ET really does phone home.

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Is SETI Searching for the Wrong Things?

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