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The future
- Subject: [amsat-bb] The future
- From: "Peter Ellis VK1KEP" <prellis@xxxxxxxxxxx>
- Date: Fri, 3 Aug 2001 21:44:13 +1000
In a recent space-related Internet article
http://www.spacedaily.com/news/time-01b.html
I saw this:
Predicting the Future
Scientist J. Richard Gott has discovered a way of predicting how long
something you are observing is likely to last. The idea is based on the
Copernican Principle -- the idea that your location in time and place is not
special. Gott discovered this idea in 1969 whilst looking at the Berlin
Wall, which he correctly predicted (with 50% confidence) would have a future
longevity of between 2-2/3 years and 24 years.
If you observe something at a non-special or random time there is a 50%
chance that it is in the middle two quarters of its period of existence. At
one extreme the future will be three times as long as the past; at the other
extreme the future is one third as long as the past. There is a 50% chance
you lie between these extremes so the future is between one third and 3
times as long as the past.
Gott has refined this theory to ensure that the prediction is 95% reliable,
the scientific standard, and has used it to predict everything from the
future longevity of the human race (5,100 years 7.8 million years) to the
future longevity of the New York Times (3.8 years 5,811 years) years.
Now, by my reckoning, that means that my house (built in 1969) should still
be there for from 7-66 years. My car (built in 1984) should last 5-48years,
in which case it IS worthwhile doing up the engine.
And, AO-40 was begun in the early 90s so it should be viable for 3-25 years!
THAT is why the team worked so hard for a 20+ year stable orbit!
It also suggests that AO-10 might still be going for a long while, say
6-50years!?
Peter R. Ellis
VK1KEP
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