Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer. These signals may have already been detected by the huge Arecibo radio telescope , but gone unnoticed due to the large amount of data that has been accumulating. SETI enthusiasts David Gedye and Craig Kasnoff realized that the enormous amount of computing power in people's homes might help. The resulting software can work as a screensaver and so after down load ing a chunk of data, will only search for alien signals when the computer is otherwise idle.
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