Technology is a wonderful thing. Since the dawn of man we've been forced to rely entirely on our own human senses as the only resource for detecting strange and unusual phenomena, but not anymore. The 20th century saw its great universe-changing burst of human technological development and with it came even more mysteries. Some are solved, such as the discovery of radio waves emanating from astronomical objects, but a growing contingent of mysteries detected through technology shows us that unexplained phenomena are not simply a product of overactive imaginations. SETI, or the Search for Extra-Terrestrial Intelligence, is an effort designed to detect evidence of alien species. Dedicated mainly to finding radio waves from an intelligent extra-terrestrial source, the various SETI programs so far have not provided any proof of aliens. Except maybe once. On August 15,1977 a signal was detected by Dr. Jerry R. Ehman using an Ohio State University radio telescope. Lasting a full 72 seconds, the signal didn't seem to come from inside the solar system, and had all the attributes that would have been expected of an alien signal. Ehman reacted by circling the signal on his printout and writing the words "wow" next to it. The wow signal is interesting in that it seemed to come from a fixed point in the sky. The telescope Ehman was using wasn't able to move, it pointed in one direction and then relied on the rotation of the earth to change its direction. The net result of this was that the telescope would only see a small area of the sky for a short time, and any signal coming in from outerspace would only be seen for 72 seconds - the exact duration of the wow signal. During the observation, ideally the signal should peak and then decrease as the earth rotated the signal out of the telescopes view, and again, thats what was observed in the wow signal. This method generally rules out earthly radio interference as a source, and points directly to an area of interstellar space located in the constellation Sagittarius.