| Personal background |
I am an engineer and formerly an owner of a manufacturing business in the aerospace industry. I have worked in the nuclear industry as well as aerospace. I am semi-retired and use my time to consult in metallurgical engineering and process engineering.
Fishing and outdoor activity are my primary recreational pursuits. Visit my former business (and fun) site at http//www.klutinacharters.com |
| Thoughts about SETI and SETI@home |
Life thrives in the most inhospitable locations on earth deep underground, or without oxygen, or at temperatures well below freezing or well above boiling and so on. This indicates to me that life can thrive on other planets considerably less hospitable than ours.
Intelligence seems to be a natural consequence of evolution being fairly common on Earth. Consider the primates, dogs,dolphins, and whales as well as humans. So,it is not an unreasonable thought to find higher intellegences elsewhere in the universe.
Solutions to engineering problems tend to be similar regardless of which society or culture solves the problem. Similarly, evolution is a process which solves natural problems in similar ways in various locations on the earth. For example ecological niches in Australia are filled by marsupials with similar traits to mammals in similar niches here. I would bet that evolution produced an intelligent E.T.on many worlds who share many traits with humans including using tools to develop technology.
A reasonable assumption is that E.T. will solve problems of communication using the electromagnetic spectrum as we do and likely will use radar as we do. Radar beams are the highest power, most tightly focused transmissions that we use.
We transmit radar in every direction. I believe it is likely that E.T. will behave similarly to man and broadcast in every direction. It is problematical that they will transmit a beacon to announce their presence. To be effective, such a beacon would have to be tightly focused and be pointed right at us at precisely the time that we are looking. As a result, I seriously question our decision to be looking in the so called "water hole" (near hydrogen wave lengths)for signals of intelligent origin. I think that this is the lowest percentage play available to us. I realize that this area of the spectrum is the "cleanest" and so it would be easier to sort out an intelligent signal notwithstanding the fact that such a signal in this region of the spectrum is unlikely.
I suggest that we search the part of the spectrum likely to be in everyday use by E.T. |
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