The earth will get a little quieter when American television stations turn off their analog signals in February. It seems the digital broadcasts the government is mandating are harder to detect from the heavens. Dan Werthimer cares about this. He directs the SETI@home project, which scans space for radio signals that could indicate intelligent life.
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The Facebook Virus Spreads: No Social Network is Safe (ReadWriteWeb.com)
Video Shows Every Flight on Earth in 72 Seconds (Wired.com)