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| Personal background |
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| I live and work at home, building, upgrading and repairing computers half time and studying for a degree in physics with the Open University, the other half. Until recently I worked as a dairy farmer, then after being made redundant I decided to turn my hobby into a living and pursue a lifelong ambition to study physics at a higher level. My hobbies are computer gaming, flight simulation, flying radio controlled model aircraft and astronomy. |
| Thoughts about SETI and SETI@home |
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I think the chances of the SETI @home project being a success are extremely small, that is if we are measuring success by whether or not ET is detected. On the other hand if we are measuring it by how efficiently millions of otherwise idle small computers, scattered over the globe are harnessed to complete a massive single task, then it is clear that SETI@home can already be considered a great achievement.
9I personally think that ET does not exist within the ‘observable’ universe. By ‘observable’ I mean a sphere with the Earth at the centre of radius approximately 13 billion light years ( depending on exactly how old the universe is ). Say, it takes about 5bn years for any ‘Sun’ like star to spawn a civilization, our sphere is now 8bn light years radius. The density of heavy elements in the early universe was far too low for life to get started, so some, perhaps all of those remaining 8 bn years are required to achieve the correct mix of elements so that a star, much like our Sun, with a suitable planet can form. The observable sphere with the potential for ET is now reduced to zero, very approximately! Following from the above reasoning and the fact that any signal has its strength reduced by distance, I think the only possible place ET can be found is within our own galaxy.
9I have a burning desire to be proved wrong, just maybe SETI@home can do it!
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