About This Video

When we’re searching for extraterrestrial life, what exactly are we looking for? Or listening for? Signals in the noise. Anything that doesn’t match the pattern of nature. Technology, basically. But how? From radio wave signals to time compression, the director of the SETI Institute, Jill Tarter, breaks down the tools of trade in the rigorous science of the modern search for life beyond.

Recorded June 2010; Posted October 2010