How does SETI home work?
To give you an idea of the scope of the problem, the antenna used for SETI@home records 35 gigabytes of data every day. According to the SETI@home site, the average home computer takes about 30 hours to process one “work unit,” and the 35 gigabytes of daily data is broken into 140,000 work units. That’s 4.2 million hours of computation time just to process one day’s worth of data!