Jill Tarter explains, throughout her interview, her role in searching for frequencies coming from space to detect signs of technology from intelligent life elsewhere. My burning question to her would be about intelligent life elsewhere being absurdly different from human intelligent life. Are we certain that intelligent life in the universe would send waves in frequencies that are discernible to human technology? If not, then what are other methods we are employing to look for this life?
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Great question! I think Tarter actually addresses this when she mentions "techno-signatures" because they're expanding beyond just radio waves to look for any technological fingerprints that might exist which is because alien intelligence might be totally different from us. I'm curious what specific non-radio methods SETI is developing to account for these "unknown unknowns."