Friday, July 27, 2007

Longevity

The longevity of humanity is measured in years remaining until extinction, and the longevity of individuals is measured as years of life expectancy.

Threats to the survival of our species can be measured in terms of three variables: uncontrollability, unavoidability, and extinction time. Uncontrollability is the extent that humans cannot influence the source of a threat. Unavoidability is the extent that humans cannot escape the threat. If uncontrollability and unavoidability are expressed as probabilities, then the probability of extinction is the result of multiplying them together. Extinction time is the time remaining from the present before the threat totally assures our extinction. Dividing the extinction time by the probability of extinction results in a number, in years, that expresses the longevity associated with the threat. Our goal when dealing with a threat is to maximize this “survival time.”

Threats to individual survival can be measured in a similar way. Just substitute “death” for “extinction.”

Since the shortest survival time is equal to longevity, any strategy to maximize it must include identifying all threats and decreasing uncontrollability and unavoidability for those with the shortest extinction or death times.

7 comments:

Anonymous said...

Hello there,

This is a message for the webmaster/admin here at ideaexplorer.blogspot.com.

Can I use part of the information from this post right above if I give a backlink back to your website?

Thanks,
Charlie

BradJ1001 said...

Feel free.

BradJ1001 said...

The link to this post seems to be working fine: http://ideaexplorer.blogspot.com/2007/07/longevity.html

Anonymous said...

Greetings,

Thanks for sharing the link - but unfortunately it seems to be down? Does anybody here at ideaexplorer.blogspot.com have a mirror or another source?


Thanks,
Jules

BradJ1001 said...

It looks like the Redefining Progress site is down. I don't have any other links to them. I'll remove the link from this blog.

Brad

Anonymous said...

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