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Apple QuickTime movie  |  1998-04-15  |  11.7 MB  |  320x240  |  15fps  |  1 minute, 16 seconds
Transcription: For a clever extraterrestrial, communicating across the vastness of space is easy. I think it's extremely likely that there's evolved life in the galaxy. I think it's extremely likely that some of this advanced life is attempting to communicate. Horowitz is trying to eavesdrop on some of this communication. His primary tool is an 80-foot wide radio telescope. At every step in the search process, algebra and polynomials are essential, starting with the shape of the radio dish itself. The shape is not arbitrary. There's a precise mathematical curve in this antenna. As the dish sweeps the heavens ...